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Scientific Investigations Report 2007–5156

Evaluation of Street Sweeping as a Stormwater-Quality-Management Tool in Three Residential Basins in Madison, Wisconsin

By William R. Selbig and Roger T. Bannerman

Return to main report.

Appendixes

Appendix 1. Detailed street-dirt and water-quality data

Appendix 1-1. Control basin street-dirt yield, in pounds per curb-mile, separated by particle size.

Appendix 1-2. Air-sweeper basin street-dirt yield, in pounds per curb-mile, separated by particle size.

Appendix 1-3. High-frequency broom basin street-dirt yield, in pounds per curb-mile, separated by particle size.

Appendix 1-4. Low-frequency broom basin street-dirt yield, in pounds per curb-mile, separated by particle size.

Appendix 1-5. Runoff-event characteristics for the control basin.

Appendix 1-6. Runoff-event characteristics for the air-sweeper basin.

Appendix 1-7. Runoff-event characteristics for the high-frequency broom basin.

Appendix 1-8a. Constituent event mean concentrations measured at the control and air-sweeper basin outlets during the calibration phase.

Appendix 1-8b. Constituent event mean concentrations measured at the control and high-frequency broom basin outlets during the calibration phase.

Appendix 1-8c. Constituent event mean concentrations measured at the control and air-sweeper basin outlets during the treatment phase.

Appendix 1-8d. Constituent event mean concentrations measured at the control and high-frequency broom basin outlets during the treatment phase.

Appendix 1-9a. Constituent event mean loads measured at the control and air-sweeper basin outlets during the calibration phase.

Appendix 1-9b. Constituent event mean loads measured at the control and high-frequency broom basin outlets during the calibration phase.

Appendix 1-9c. Constituent event mean loads measured at the control and air-sweeper basin outlets during the treatment phase.

Appendix 1-9d. Constituent event mean loads measured at the control and high-frequency broom basin outlets during the treatment phase.

Appendix 1. Detailed street-dirt and water-quality data

Appendix table 1-1. Control basin street-dirt yield, in pounds per curb-mile, separated by particle size.

[mm/dd/yyyy, month/day/year; µm, micrometer; >, greater than; <, less than]

Date (mm/dd/yyyy)	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	>2,000 µm	1,000-2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
05/17/2002	87	125	177	221	86	34	25	755
05/24/2002	81	118	176	207	95	38	33	748
05/31/2002	91	111	174	212	77	20	11	695
06/07/2002	69	93	118	132	46	12	9	479
06/14/2002	52	69	90	111	45	12	5	385
06/20/2002	70	94	124	158	70	23	11	549
06/28/2002	52	66	108	152	71	24	16	489
07/05/2002	88	96	151	202	95	30	48	710
07/12/2002	102	131	202	266	135	57	57	950
07/19/2002	70	101	163	229	145	68	100	876
07/26/2002	77	89	123	149	79	32	33	582
08/02/2002	78	86	120	155	77	29	27	571
08/09/2002	55	69	96	128	67	25	19	458
08/16/2002	64	69	101	134	70	24	19	482
08/30/2002	58	64	93	126	71	29	27	467
09/06/2002	80	103	139	180	107	51	58	717
09/13/2002	61	91	130	151	76	32	26	567
09/27/2002	95	120	172	239	141	65	71	902
04/01/2003	206	319	580	861	354	102	70	2,493
04/15/2003	199	281	495	705	341	126	135	2,282
Date (mm/dd/yyyy)	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
04/23/2003	181	269	428	606	285	94	88	1,951
04/29/2003	142	223	373	542	329	130	139	1,878
05/06/2003	154	242	340	314	258	49	23	1,380
05/13/2003	172	234	321	409	189	64	42	1,431
05/20/2003	78	121	165	172	84	34	12	667
05/27/2003	100	161	229	289	192	90	78	1,139
06/03/2003	57	111	171	259	149	49	36	832
06/11/2003	68	116	183	267	152	59	34	878
06/17/2003	57	117	176	250	156	68	51	875
06/26/2003	54	92	116	140	73	21	8	503
07/01/2003	74	113	168	251	159	76	61	901
07/11/2003	41	78	112	147	105	27	12	522
07/23/2003	74	81	101	150	102	44	32	585
07/30/2003	67	93	148	221	140	62	49	781
08/05/2003	35	57	88	144	89	32	22	467
08/12/2003	51	62	99	208	111	49	52	632
08/20/2003	92	96	158	294	187	72	50	949
08/27/2003	116	108	127	212	145	51	26	785
09/02/2003	100	97	119	185	127	46	33	706
Date (mm/dd/yyyy)	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
09/09/2003	76	99	133	213	149	61	50	782
09/16/2003	76	85	109	145	86	29	20	549
09/23/2003	88	92	109	154	85	28	14	571
09/30/2003	92	81	100	153	96	39	26	588
10/07/2003	113	131	218	285	240	56	40	1,082
04/06/2004	75	98	219	386	158	47	22	1,004
04/13/2004	61	95	221	452	217	91	73	1,211
04/27/2004	63	82	148	238	105	36	24	696
05/04/2004	65	89	146	710	109	46	38	1,202
05/19/2004	42	52	80	114	46	12	5	351
05/26/2004	43	46	68	122	66	20	15	382
06/02/2004	41	48	62	100	59	19	13	341
06/08/2004	48	56	85	144	82	34	25	473
06/15/2004	57	49	70	108	61	23	15	383
06/22/2004	32	45	82	125	48	17	7	356
06/29/2004	57	62	108	190	104	36	26	583
07/08/2004	38	34	48	81	50	17	12	279
07/14/2004	35	39	59	108	71	28	16	358
07/20/2004	34	41	64	97	49	18	10	313
07/27/2004	40	47	76	132	82	36	36	450
08/03/2004	39	46	82	127	53	17	12	375
08/10/2004	41	51	86	153	81	29	24	465
Date (mm/dd/yyyy)	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
08/18/2004	66	65	91	132	73	33	23	482
08/31/2004	38	42	49	66	40	17	8	261
09/07/2004	56	59	71	107	74	36	29	431
09/17/2004	55	55	59	74	38	16	9	307
04/05/2005	65	84	255	671	317	127	85	1,603
04/13/2005	51	70	179	415	199	71	32	1,017
04/21/2005	62	75	175	405	206	80	44	1,047
04/28/2005	71	75	160	353	172	73	45	948
05/05/2005	67	95	186	401	197	89	45	1,080
05/18/2005	67	73	129	248	131	52	30	730
05/25/2005	64	80	128	236	119	47	31	704
06/02/2005	81	110	165	305	168	79	57	964

Appendix table 1-2. Air-sweeper basin street-dirt yield, in pounds per curb-mile, separated by particle size.

[mm/dd/yyyy, month/day/year; µm, micrometer; >, greater than; <, less than; NS, no sweeping in basin; --, no data]

Date (mm/dd/yyyy)	Sweeper cleaning	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	Sweeper cleaning	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
05/17/2002	NS	123	205	333	508	197	53	26	1,445
05/24/2002	NS	113	206	354	521	225	71	43	1,531
05/31/2002	NS	108	156	248	347	144	35	15	1,053
06/07/2002	NS	82	103	136	175	73	18	9	596
06/20/2002	NS	66	99	141	208	106	32	17	668
06/28/2002	NS	75	101	177	326	148	40	21	888
07/05/2002	NS	78	95	174	310	151	40	26	874
07/12/2002	NS	72	107	187	361	183	58	32	1,000
07/19/2002	NS	62	99	155	270	167	61	39	854
07/26/2002	NS	68	87	126	189	100	34	20	624
08/02/2002	NS	86	117	196	317	146	43	23	928
08/09/2002	NS	90	129	177	260	160	64	45	924
08/16/2002	NS	85	117	181	261	150	49	27	870
08/30/2002	NS	93	117	180	335	177	49	32	985
09/06/2002	NS	94	131	243	454	204	55	36	1,217
09/13/2002	NS	101	137	225	372	174	42	30	1,081
09/27/2002	NS	85	109	144	183	104	33	18	676
04/01/2003	Pre	72	140	373	652	251	54	21	1,563
04/02/2003	Post	31	62	196	433	236	74	49	1,082
04/15/2003	Pre	44	79	216	430	234	76	56	1,134
04/16/2003	Post	30	60	162	315	202	69	56	894
04/22/2003	Pre	39	71	186	357	209	58	30	949
04/23/2003	Post	24	45	116	224	168	59	41	677
Date (mm/dd/yyyy)	Sweeper cleaning	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	Sweeper cleaning	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
04/29/2003	Pre	26	47	123	249	190	65	76	777
04/30/2003	Post	--	--	--	--	--	--	--	--
05/06/2003	Pre	40	71	139	195	151	34	15	646
05/07/2003	Post	--	--	--	--	--	--	--	--
05/12/2003	Pre	29	59	119	190	88	26	7	518
05/13/2003	Post	21	42	97	171	88	24	17	461
05/20/2003	Pre	26	41	75	109	49	13	7	320
05/21/2003	Post	13	29	56	99	62	23	14	298
05/27/2003	Pre	24	46	93	168	106	43	20	500
05/28/2003	Post	--	--	--	--	--	--	--	--
06/03/2003	Pre	19	40	66	119	84	37	17	382
06/04/2003	Post	14	26	51	90	71	33	30	316
06/11/2003	Pre	16	30	49	78	53	23	11	259
06/12/2003	Post	11	18	31	52	34	15	9	169
06/16/2003	Pre	21	26	40	68	48	28	23	253
06/17/2003	Post	9	18	32	57	43	23	20	202
06/26/2003	Pre	15	22	25	32	17	6	2	119
06/26/2003	Post	16	26	28	48	34	15	9	177
Date (mm/dd/yyyy)	Sweeper cleaning	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	Sweeper cleaning	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
07/01/2003	Pre	14	25	31	38	52	16	8	183
07/02/2003	Post	10	16	26	47	35	17	11	162
07/11/2003	Pre	11	13	18	28	21	9	6	106
07/16/2003	Pre	18	18	25	40	28	11	6	146
07/17/2003	Post	9	12	17	30	24	11	5	108
07/22/2003	Pre	18	15	21	38	29	13	7	142
07/23/2003	Post	12	10	14	26	21	11	12	106
07/29/2003	Pre	15	19	26	45	38	21	21	185
07/30/2003	Post	10	12	18	33	29	16	14	132
08/05/2003	Pre	13	14	15	22	19	10	10	103
08/06/2003	Post	--	--	--	--	--	--	--	--
08/12/2003	Pre	19	20	24	42	35	11	16	167
08/13/2003	Post	12	12	17	29	26	13	10	119
08/19/2003	Pre	17	18	22	38	35	19	19	169
08/20/2003	Post	11	13	15	25	22	12	11	110
08/26/2003	Pre	16	19	19	29	24	11	7	124
08/27/2003	Post	11	14	18	28	22	13	14	121
09/02/2003	Pre	15	16	16	24	21	12	11	115
09/03/2003	Post	10	10	11	16	14	9	10	79
09/09/2003	Pre	17	18	20	28	24	16	18	140
09/10/2003	Post	9	11	12	17	14	9	11	82
09/16/2003	Pre	16	16	13	17	13	5	3	83
09/17/2003	Post	10	9	9	12	12	6	6	64
09/23/2003	Pre	17	22	18	17	24	7	4	109
09/24/2003	Post	11	11	11	16	14	8	7	79
09/30/2003	Pre	23	25	22	27	22	12	9	140
Date (mm/dd/yyyy)	Sweeper cleaning	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	Sweeper cleaning	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
10/01/2003	Post	13	14	12	18	16	11	10	95
10/07/2003	Pre	25	59	31	31	25	16	13	200
10/08/2003	Post	24	24	19	24	21	13	16	141
04/06/2004	Pre	65	88	249	490	175	50	20	1,137
04/09/2004	Post	36	65	203	486	220	95	73	1,178
04/13/2004	Pre	31	57	174	419	202	78	51	1,012
04/16/2004	Post	11	18	53	136	68	26	14	326
04/27/2004	Pre	3	11	21	54	30	11	5	136
04/28/2004	Post	5	7	15	45	33	18	16	140
05/04/2004	Pre	13	17	31	78	60	34	24	258
05/05/2004	Post	9	10	18	51	41	28	30	186
05/19/2004	Pre	13	13	14	21	12	4	2	78
05/19/2004	Post	3	4	7	19	15	5	3	57
05/26/2004	Pre	21	23	25	44	30	7	2	152
05/27/2004	Post	9	9	11	22	17	5	2	74
06/02/2004	Pre	16	17	16	22	16	5	4	95
06/03/2004	Post	12	13	13	19	14	6	4	81
06/08/2004	Pre	17	19	19	26	19	9	7	115
06/10/2004	Post	--	--	--	--	--	--	--	--
06/15/2004	Pre	18	17	16	20	12	7	3	93
06/16/2004	Post	9	8	10	16	11	6	2	62
Date (mm/dd/yyyy)	Sweeper cleaning	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	Sweeper cleaning	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
06/22/2004	Pre	11	11	10	12	7	3	2	56
06/23/2004	Post	--	--	--	--	--	--	--	--
06/29/2004	Pre	12	13	13	18	12	5	4	77
06/30/2004	Post	7	7	9	14	10	4	2	54
07/07/2004	Pre	12	9	9	14	9	2	1	56
07/08/2004	Post	8	8	9	15	11	4	2	56
07/14/2004	Pre	14	13	14	21	14	6	4	85
07/15/2004	Post	8	9	10	16	12	5	3	62
07/20/2004	Pre	12	12	13	20	12	5	2	75
07/21/2004	Post	--	--	--	--	--	--	--	--
07/27/2004	Pre	16	18	17	23	16	9	8	106
07/28/2004	Post	11	16	10	17	10	5	5	76
08/03/2004	Pre	13	16	14	16	9	4	2	74
08/04/2004	Post	--	--	--	--	--	--	--	--
08/10/2004	Pre	19	22	19	27	19	7	4	118
08/11/2004	Post	9	11	11	18	13	5	3	71
08/18/2004	Pre	38	35	25	22	13	5	2	141
08/19/2004	Post	--	--	--	--	--	--	--	--
08/31/2004	Pre	29	22	18	19	12	5	4	108
09/01/2004	Post	19	17	15	17	10	4	2	85
09/07/2004	Pre	30	31	29	35	23	9	5	161
09/08/2004	Post	11	14	14	18	13	6	4	81
09/16/2004	Pre	21	17	13	13	8	3	2	76
09/17/2004	Post	11	13	12	13	7	4	2	62
Date (mm/dd/yyyy)	Sweeper cleaning	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	Sweeper cleaning	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
04/05/2005	Pre	98	122	316	695	255	96	59	1,641
04/05/2005	Post	39	55	183	453	171	61	44	1,005
04/13/2005	Pre	49	74	216	533	220	68	27	1,187
04/14/2005	Post	24	42	125	346	173	71	40	820
04/21/2005	Pre	41	61	160	394	186	75	44	962
04/21/2005	Post	14	23	70	219	124	57	39	546
04/28/2005	Pre	32	41	88	256	163	86	53	717
04/28/2005	Post	15	23	57	175	110	62	58	499
05/05/2005	Pre	26	31	64	183	121	72	71	568
05/05/2005	Post	15	19	47	143	98	57	55	434
05/18/2005	Pre	24	34	49	117	81	43	28	374
05/18/2005	Post	12	16	29	78	54	30	21	239
05/25/2005	Pre	29	45	55	98	71	36	18	351
05/25/2005	Post	10	22	27	55	40	22	15	192
06/02/2005	Pre	20	40	42	72	54	32	26	285
06/02/2005	Post	11	21	27	54	44	28	20	205
06/23/2005	Pre	12	16	22	33	24	14	11	132
06/23/2005	Post	5	8	13	24	16	8	5	79

Appendix table 1-3. High-frequency broom basin street-dirt yield, in pounds per curb-mile, separated by particle size.

[mm/dd/yyyy, month/day/year; µm, micrometer; >, greater than; <, less than; NS, no sweeping in basin; --, no data]

Date (mm/dd/yyyy)	Sweeper cleaning	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	Sweeper cleaning	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
05/17/2002	NS	47	79	148	201	88	32	21	614
05/24/2002	NS	47	83	144	186	87	32	27	606
05/31/2002	NS	40	75	129	174	75	21	12	527
06/07/2002	NS	34	60	79	86	33	8	5	304
06/14/2002	NS	35	66	81	93	40	9	2	326
06/20/2002	NS	37	62	88	103	46	12	7	356
06/28/2002	NS	29	47	68	78	35	9	5	270
07/05/2002	NS	37	60	102	136	64	17	10	427
07/12/2002	NS	34	69	112	149	79	26	14	482
07/19/2002	NS	38	58	88	118	63	21	15	401
07/26/2002	NS	36	57	74	99	52	17	10	344
08/02/2002	NS	42	67	86	105	49	15	9	373
08/09/2002	NS	37	61	91	119	56	16	9	388
08/16/2002	NS	32	49	67	80	38	11	6	282
08/30/2002	NS	39	56	80	105	52	16	12	361
09/06/2002	NS	32	51	70	86	43	14	8	303
09/13/2002	NS	32	55	78	92	42	13	7	319
09/27/2002	NS	32	58	79	93	47	16	8	333
04/01/2003	Pre	125	245	612	960	337	94	55	2,428
04/02/2003	Post	57	129	420	750	316	99	74	1,845
04/15/2003	Pre	121	202	515	883	357	116	119	2,313
04/16/2003	Post	41	73	234	469	264	95	78	1,254
04/22/2003	Pre	41	82	250	463	241	65	38	1,180
Date (mm/dd/yyyy)	Sweeper cleaning	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	Sweeper cleaning	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
04/23/2003	Post	35	70	216	419	222	80	46	1,089
04/29/2003	Pre	37	65	203	396	257	96	77	1,131
04/30/2003	Post	--	--	--	--	--	--	--	--
05/06/2003	Pre	34	56	152	268	132	33	20	694
05/07/2003	Post	--	--	--	--	--	--	--	--
05/12/2003	Pre	25	43	96	152	68	16	9	410
05/13/2003	Post	17	32	86	153	78	23	11	400
05/20/2003	Pre	20	38	90	138	61	17	8	372
05/21/2003	Post	19	36	85	145	74	26	12	396
05/27/2003	Pre	24	48	114	203	118	43	28	577
05/28/2003	Post	--	--	--	--	--	--	--	--
06/03/2003	Pre	25	46	97	148	81	20	12	428
06/04/2003	Post	19	36	83	144	83	29	13	407
06/11/2003	Pre	26	50	115	179	108	32	14	524
06/12/2003	Post	14	34	80	127	73	22	11	361
06/16/2003	Pre	24	44	103	168	103	31	14	488
06/17/2003	Post	16	38	90	148	106	33	20	451
06/26/2003	Pre	13	28	54	69	33	8	3	208
07/01/2003	Pre	21	37	69	117	85	27	17	373
07/02/2003	Post	14	30	63	102	67	22	10	306
07/09/2003	Pre	18	25	46	66	35	9	3	203
07/11/2003	Post	10	17	34	37	41	10	2	152
07/16/2003	Pre	15	22	41	66	42	15	7	208
07/17/2003	Post	12	17	36	62	43	14	5	189
Date (mm/dd/yyyy)	Sweeper cleaning	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	Sweeper cleaning	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
07/22/2003	Pre	14	19	34	53	34	9	3	167
07/23/2003	Post	14	22	39	59	36	12	5	186
07/29/2003	Pre	15	25	41	66	50	15	9	222
07/30/2003	Post	22	30	52	81	54	20	11	270
08/05/2003	Pre	23	27	47	79	54	14	14	259
08/12/2003	Pre	18	34	58	94	62	23	15	305
08/13/2003	Post	20	28	53	89	66	26	19	300
08/19/2003	Pre	23	36	63	106	71	30	19	347
08/20/2003	Post	15	28	55	96	73	30	21	317
08/26/2003	Pre	21	32	51	71	47	18	11	251
08/27/2003	Post	15	24	44	67	46	19	12	227
09/02/2003	Pre	19	29	50	73	47	18	10	246
09/03/2003	Post	17	25	49	79	56	22	17	264
09/09/2003	Pre	16	27	50	83	59	23	16	273
09/10/2003	Post	14	25	46	71	50	20	15	241
09/16/2003	Pre	14	24	35	46	27	8	5	160
09/17/2003	Post	15	26	38	50	30	10	6	174
09/23/2003	Pre	17	28	41	44	36	8	4	179
09/24/2003	Post	14	25	41	55	32	12	6	186
09/30/2003	Pre	18	29	44	61	38	15	9	214
10/01/2003	Post	18	28	47	68	46	19	11	238
10/07/2003	Pre	30	40	56	66	37	14	7	251
10/08/2003	Post	26	30	48	67	43	16	11	240
Date (mm/dd/yyyy)	Sweeper cleaning	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	Sweeper cleaning	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
04/06/2004	Pre	70	125	216	276	92	24	11	812
04/07/2004	Post	66	111	227	354	138	51	35	982
04/13/2004	Pre	73	121	240	389	160	66	50	1,098
04/16/2004	Post	52	98	201	296	112	34	19	812
04/20/2004	Pre	61	105	174	232	91	29	17	709
04/21/2004	Post	--	--	--	--	--	--	--	--
04/27/2004	Pre	55	95	165	214	80	24	14	647
04/28/2004	Post	41	82	155	224	92	32	21	647
05/04/2004	Pre	52	89	155	222	98	36	25	678
05/05/2004	Post	47	83	155	234	109	44	43	715
05/19/2004	Pre	36	66	105	151	58	12	5	432
05/19/2004	Post	26	52	91	145	66	16	6	404
05/26/2004	Pre	35	55	77	109	54	11	3	344
05/27/2004	Post	30	45	66	108	57	15	5	326
06/02/2004	Pre	31	51	72	111	57	13	4	339
06/04/2004	Post	27	43	68	106	55	14	6	319
06/08/2004	Pre	26	44	70	114	59	17	6	337
06/10/2004	Post	--	--	--	--	--	--	--	--
06/15/2004	Pre	20	41	62	87	44	11	4	269
06/16/2004	Post	17	33	57	85	41	11	4	247
06/22/2004	Pre	19	33	46	75	28	13	4	218
06/23/2004	Post	--	--	--	--	--	--	--	--
06/29/2004	Pre	20	34	58	80	43	11	6	251
06/30/2004	Post	18	33	62	95	52	14	7	281
07/07/2004	Pre	16	24	34	45	20	4	2	144
07/08/2004	Post	17	28	45	67	34	9	3	202
Date (mm/dd/yyyy)	Sweeper cleaning	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	Sweeper cleaning	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
07/14/2004	Pre	21	40	49	75	40	10	8	243
07/15/2004	Post	17	31	53	85	45	13	7	251
07/20/2004	Pre	19	33	46	66	32	9	4	209
07/21/2004	Post	--	--	--	--	--	--	--	--
07/27/2004	Pre	18	34	47	68	36	11	5	221
07/28/2004	Post	17	30	45	68	35	11	6	212
08/03/2004	Pre	18	33	41	53	24	5	3	178
08/04/2004	Post	--	--	--	--	--	--	--	--
08/10/2004	Pre	21	34	44	61	31	9	4	204
08/11/2004	Post	16	26	40	59	32	9	5	187
08/18/2004	Pre	14	20	28	36	16	4	3	122
08/19/2004	Post	--	--	--	--	--	--	--	--
08/31/2004	Pre	25	26	43	63	27	7	4	195
09/01/2004	Post	18	23	31	36	16	4	2	129
09/07/2004	Pre	21	31	42	50	22	6	3	176
09/08/2004	Post	14	22	35	48	25	8	5	156
09/16/2004	Pre	14	20	29	31	12	3	2	111
09/17/2004	Post	13	19	25	29	12	3	2	102
04/05/2005	NS	65	97	260	588	265	108	73	1,457
04/13/2005	NS	55	74	176	334	136	44	19	838
04/21/2005	NS	53	77	175	342	167	63	36	914
04/28/2005	NS	46	75	173	340	168	75	55	932
05/05/2005	NS	52	76	184	371	188	83	72	1,026
05/18/2005	NS	46	66	127	229	116	49	31	664
05/25/2005	NS	57	81	133	222	120	49	29	690
06/02/2005	NS	60	85	143	224	113	47	34	706

Appendix table 1-4. Low-frequency broom basin street-dirt yield, in pounds per curb-mile, separated by particle size.

[mm/dd/yyyy, month/day/year; µm, micrometer; >, greater than; <, less than]

Date (mm/dd/yyyy)	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
06/20/2002	74	93	143	189	84	24	9	617
06/28/2002	64	69	102	152	74	23	11	495
07/05/2002	54	78	115	164	87	31	19	549
07/12/2002	86	112	177	275	148	55	39	891
07/19/2002	53	70	111	171	100	41	25	571
07/26/2002	67	74	105	161	88	33	18	547
08/02/2002	84	93	138	209	109	44	27	703
08/09/2002	77	84	125	179	96	40	26	626
08/16/2002	63	69	93	139	77	29	17	486
08/30/2002	50	63	92	138	77	32	20	472
09/06/2002	49	62	92	139	86	37	23	489
09/13/2002	48	67	101	145	81	32	17	490
09/27/2002	70	94	131	200	119	44	25	683
04/02/2003	136	188	389	618	266	96	59	1,753
04/15/2003	213	272	494	706	324	122	119	2,250
04/23/2003	79	111	227	389	203	73	51	1,132
04/29/2003	83	121	265	472	260	92	99	1,392
Date (mm/dd/yyyy)	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
05/13/2003	54	100	185	268	115	36	13	770
05/21/2003	46	78	147	246	122	40	27	707
05/27/2003	51	89	168	268	157	40	48	821
06/04/2003	65	93	175	307	166	58	27	891
06/12/2003	35	61	127	182	98	37	20	561
06/17/2003	48	86	166	274	150	60	30	813
06/26/2003	38	52	85	133	72	27	16	422
07/02/2003	43	57	105	192	125	56	36	613
07/11/2003	38	53	89	134	74	24	9	421
07/16/2003	47	54	82	131	86	36	17	453
07/23/2003	43	47	74	126	89	44	22	446
07/30/2003	44	62	104	187	126	52	30	603
08/05/2003	44	60	97	170	125	52	41	590
08/13/2003	40	54	84	153	117	55	37	540
08/20/2003	44	62	106	193	141	69	45	659
08/27/2003	33	47	77	139	103	48	28	475
09/03/2003	35	48	75	124	90	44	31	448
09/10/2003	38	62	90	154	108	57	39	548
09/17/2003	32	45	66	112	80	32	17	385
09/24/2003	25	38	61	107	78	40	25	375
Date (mm/dd/yyyy)	Street-dirt yield (pounds per curb-mile)
Date (mm/dd/yyyy)	>2,000 µm	1,000–2,000 µm	500–1,000 µm	250–500 µm	125–250 µm	63–125 µm	<63 µm	Total
10/01/2003	35	50	74	126	92	45	24	446
10/08/2003	48	63	88	161	107	54	32	552
04/06/2004	90	120	213	320	94	25	11	873
04/13/2004	90	124	250	456	154	70	50	1,194
04/27/2004	78	108	190	303	107	35	19	841
05/04/2004	60	93	175	303	124	53	32	840
05/19/2004	56	79	122	194	76	22	8	557
05/26/2004	49	60	82	151	82	26	9	460
06/02/2004	53	62	85	150	77	23	6	455
06/08/2004	57	81	95	166	131	35	14	580
06/15/2004	47	57	75	121	71	27	9	407
06/22/2004	42	53	72	115	57	22	7	367
06/30/2004	45	55	74	127	87	36	19	443
07/09/2004	43	50	59	98	65	23	9	346
07/14/2004	39	47	61	111	76	31	17	381
07/28/2004	43	53	58	88	60	26	14	342
08/03/2004	38	45	49	74	45	15	7	273
08/10/2004	38	49	57	90	58	23	11	326
09/02/2004	37	44	50	76	46	16	5	274
09/08/2004	40	48	54	82	58	23	8	313
09/17/2004	34	42	43	55	30	11	4	220

Appendix table 1-5. Runoff-event characteristics for the control basin.

[mm/dd/yyyy, month/day/year; hh:mm, hour:minute; ft³, cubic feet; %, percent; ft³/s, cubic foot per second; --, data not available]

Sample ID	Start date (mm/dd/yyyy)	Start time (hh:mm)	End date (mm/dd/yyyy)	End time (hh:mm)	Duration (hours)	Total event volume (ft³)	Runoff (%)	Peak flow (ft³/s)	Volume of storm sampled (%)	Antecedent dry time (days)
1	08/25/2001	02:13	08/25/2001	15:30	13.28	64,915	12	29.1	84
2	09/07/2001	12:33	09/09/2001	17:00	52.45	81,761	12	22.4	93	12.88
3	09/17/2001	05:51	09/18/2001	02:00	20.15	24,018	14	4.8	94	7.54
4	09/19/2001	00:14	09/19/2001	13:13	12.98	31,156	12	2.0	96	.93
5	09/20/2001	20:09	09/20/2001	22:15	2.10	9,859	10	3.6	98	1.29
6	10/22/2001	14:00	10/22/2001	23:32	9.53	61,291	12	11.7	93	31.66
7	10/24/2001	07:54	10/24/2001	22:00	14.10	9,058	10	1.4	95	1.35
8	11/23/2001	18:45	11/25/2001	03:00	32.25	35,158	10	3.8	98	29.86
9	02/18/2002	12:00	02/19/2002	11:05	23.08	33,976	--	1.9	98	7.79
10	02/19/2002	13:38	02/21/2002	01:00	35.37	61,161	--	4.6	98	.11
11	03/08/2002	04:18	03/09/2002	11:00	30.70	66,993	--	4.0	98	15.14
12	04/07/2002	03:45	04/09/2002	04:00	48.25	92,387	17	3.0	97	28.7
13	04/18/2002	07:54	04/18/2002	23:51	15.95	49,160	19	22.4	98	9.16
14	05/01/2002	12:17	05/02/2002	02:00	13.72	14,405	11	2.5	89	12.52
15	05/11/2002	10:43	05/12/2002	02:38	15.92	28,523	13	7.0	91	9.36
16	05/25/2002	05:39	05/25/2002	13:00	7.35	24,387	12	3.0	92	13.13
17	05/28/2002	21:16	05/29/2002	05:27	8.18	34,751	15	25.2	97	3.34
18	06/02/2002	18:02	06/03/2002	08:45	14.72	58,339	20	19.7	100	4.52
19	06/03/2002	21:45	06/04/2002	13:48	16.05	98,629	22	6.2	97	.54
20	06/10/2002	19:04	06/10/2002	20:32	1.47	17,120	23	12.7	82	6.22
21	06/26/2002	04:17	06/26/2002	05:00	.72	20,225	12	22.4	98	15.32
22	07/22/2002	01:08	07/22/2002	08:04	6.93	31,555	12	7.6	82	25.84
23	08/17/2002	07:06	08/17/2002	07:46	.67	11,805	14	8.4	86	3.95
24	08/21/2002	18:41	08/22/2002	06:45	12.07	36,228	9	10.5	92	4.45
Sample ID	Start date (mm/dd/yyyy)	Start time (hh:mm)	End date (mm/dd/yyyy)	End time (hh:mm)	Duration (hours)	Total event volume (ft³)	Runoff (%)	Peak flow (ft³/s)	Volume of storm sampled (%)	Antecedent dry time (days)
25	09/02/2002	04:28	09/02/2002	08:56	4.47	47,477	14	5.8	95	10.90
26	09/19/2002	01:05	09/19/2002	06:00	4.92	19,617	12	3.0	96	16.67
27	09/19/2002	13:23	09/19/2002	13:55	.53	13,622	13	13.2	90	.31
28	09/20/2002	06:32	09/20/2002	09:49	3.28	11,702	9	6.0	99	.69
29	10/04/2002	01:34	10/04/2002	12:00	10.43	25,030	6	5.6	89	4.81
30	10/25/2002	01:03	10/25/2002	23:41	22.63	16,093	11	1.0	92	20.54
31	12/17/2002	23:22	12/18/2002	17:00	17.63	35,301	16	3.7	97	52.99
32	03/27/2003	08:29	03/28/2003	11:44	27.25	28,142	16	3.4	98	98.65
33	04/30/2003	06:24	04/30/2003	14:00	7.60	24,628	11	4.6	91	32.78
34	04/30/2003	20:51	04/30/2003	23:46	2.92	54,258	14	11.3	94	.29
35	05/04/2003	19:39	05/05/2003	10:00	14.35	25,729	11	1.7	99	3.83
36	05/08/2003	22:46	05/09/2003	02:37	3.85	17,808	11	1.8	74	3.53
37	05/10/2003	20:07	05/11/2003	19:05	22.97	23,164	10	4.0	96	1.73
38	05/14/2003	06:25	05/14/2003	15:58	9.55	12,005	10	1.0	91	2.47
39	05/19/2003	13:05	05/20/2003	02:02	12.95	18,178	13	3.6	80	4.88
40	05/30/2003	17:33	05/30/2003	17:55	.37	9,604	5	10.7	86	10.65
41	07/15/2003	01:37	07/15/2003	02:22	.75	40,338	7	12.4	89	16.25
42	07/21/2003	01:54	07/21/2003	03:00	1.10	14,069	11	1.9	98	5.98
43	08/05/2003	17:24	08/05/2003	18:00	.60	10,411	8	7.9	68	15.60
44	09/12/2003	13:00	09/12/2003	19:02	6.03	6,944	4	2.4	100	37.79
45	09/13/2003	05:14	09/14/2003	09:01	27.78	89,497	8	5.1	97	.42
46	10/13/2003	22:27	10/14/2003	11:00	12.55	11,534	6	1.1	96	1.98
47	10/24/2003	15:56	10/24/2003	23:00	7.07	13,608	6	2.4	91	10.21
48	11/01/2003	21:10	11/02/2003	20:00	22.83	46,172	9	4.0	82	7.92
Sample ID	Start date (mm/dd/yyyy)	Start time (hh:mm)	End date (mm/dd/yyyy)	End time (hh:mm)	Duration (hours)	Total event volume (ft³)	Runoff (%)	Peak flow (ft³/s)	Volume of storm sampled (%)	Antecedent dry time (days)
49	11/03/2003	06:13	11/04/2003	10:00	27.78	119,111	12	18.0	92	.43
50	11/17/2003	22:10	11/18/2003	12:00	13.83	12,476	7	2.6	99	13.51
51	11/22/2003	22:54	11/23/2003	11:00	12.10	55,866	11	6.3	100	4.45
52	12/09/2003	12:51	12/10/2003	12:01	23.17	56,324	10	3.4	100	16.08
53	02/20/2004	05:00	02/20/2004	19:00	14.00	27,242	--	1.7	98	71.71
54	03/04/2004	18:11	03/05/2004	12:48	18.62	59,046	15	4.0	99	12.97
55	03/25/2004	20:51	03/26/2004	08:00	11.15	39,640	8	8.5	98	20.34
56	04/20/2004	08:26	04/21/2004	15:00	30.57	30,093	12	2.5	71	25.02
57	05/08/2004	22:32	05/09/2004	02:00	3.47	13,677	7	8.6	95	17.31
58	05/10/2004	03:58	05/10/2004	17:00	13.03	11,854	8	6.9	92	1.08
60	05/17/2004	20:25	05/18/2004	02:00	5.58	19,215	7	20.0	90	7.14
61	05/21/2004	07:36	05/21/2004	10:00	2.40	15,422	5	9.0	100	3.23
62	05/21/2004	16:36	05/22/2004	10:00	17.40	99,204	10	21.0	60	.28
63	05/29/2004	08:16	05/31/2004	17:00	56.73	36,634	7	7.0	97	6.93
64	06/10/2004	10:59	06/10/2004	14:00	3.02	6,679	6	2.3	96	9.75
65	06/10/2004	15:17	06/11/2004	09:00	17.72	25,307	8	3.1	95	.05
66	06/24/2004	08:36	06/24/2004	13:00	4.40	7,785	8	2.2	93	12.98
67	07/09/2004	11:46	07/09/2004	14:00	2.23	10,731	8	6.4	92	14.95
68	07/16/2004	10:37	07/16/2004	18:00	7.38	17,410	7	8.8	88	6.86
69	07/21/2004	08:17	07/21/2004	12:00	3.72	9,037	7	1.9	96	4.60
70	07/29/2004	15:05	07/30/2004	10:00	18.92	29,272	8	6.2	96	8.13
71	08/03/2004	19:41	08/03/2004	23:00	3.32	23,985	9	23.0	97	1.28
72	08/16/2004	20:06	08/17/2004	03:00	6.90	7,871	7	4.6	97	12.88
73	08/18/2004	17:42	08/18/2004	20:00	2.30	9,556	6	10.0	90	1.61
74	08/24/2004	18:00	08/25/2004	01:00	7.00	5,469	14	3.9	97	.13
Sample ID	Start date (mm/dd/yyyy)	Start time (hh:mm)	End date (mm/dd/yyyy)	End time (hh:mm)	Duration (hours)	Total event volume (ft³)	Runoff (%)	Peak flow (ft³/s)	Volume of storm sampled (%)	Antecedent dry time (days)
75	08/27/2004	00:52	08/27/2004	03:00	2.13	4,113	4	3.7	88	1.99
76	09/01/2004	05:17	09/01/2004	08:00	2.72	18,291	6	9.8	95	3.39
77	09/15/2004	09:17	09/15/2004	18:00	8.72	14,671	9	2.4	97	9.05
78	10/08/2004	00:00	10/08/2004	06:00	6.00	23,216	8	8.3	97	6.04
79	10/22/2004	17:00	10/23/2004	10:00	17.00	40,435	10	6.9	99	3.38
80	11/01/2004	10:00	11/02/2004	04:00	18.00	12,882	6	.98	94	2.25
81	11/04/2004	01:00	11/04/2004	11:00	10.00	5,944	8	.81	89	1.88
82	11/26/2004	14:00	11/27/2004	19:00	29.00	19,086	10	1.3	92	6.33
83	12/05/2004	22:00	12/06/2004	10:00	12.00	13,815	9	1.3	90	8.13
84	12/07/2004	01:00	12/07/2004	14:00	13.00	32,970	13	3.7	97	.63
85	04/06/2005	16:00	04/07/2005	02:00	10.00	30,750	9	11	97	5.75
86	04/12/2005	00:00	04/12/2005	19:00	19.00	16,140	12	4	92	4.92
87	04/19/2005	23:00	04/20/2005	02:00	3.00	5,106	8	2.7	80	7.17
88	05/06/2005	06:00	05/06/2005	15:00	9.00	11,336	8	4.7	90	10.21
89	05/11/2005	03:00	05/11/2005	14:00	11.00	29,134	9	3.7	97	4.50
90	05/13/2005	00:00	05/13/2005	11:00	11.00	16,969	8	4.4	97	1.42
91	05/18/2005	22:00	05/19/2005	08:00	10.00	16,572	9	2.5	93	5.46
92	04/13/2006	21:31	04/14/2006	02:00	4.48	4,743	7	5	78	1.48
93	04/16/2006	02:04	04/16/2006	20:00	17.93	42,932	9	23	98	2.00
94	04/29/2006	14:29	04/30/2006	19:00	28.52	49,974	11	3.9	89	7.44
95	05/01/2006	17:36	05/02/2006	00:00	6.40	12,450	8	11	79	.94
96	05/09/2006	10:26	05/09/2006	19:00	8.57	12,260	8	2.3	86	7.43
97	05/17/2006	15:57	05/17/2006	19:00	3.05	4,087	6	1.9	92	.79
98	05/24/2006	18:33	05/25/2006	03:00	8.45	23,293	5	26	98	.40
Sample ID	Start date (mm/dd/yyyy)	Start time (hh:mm)	End date (mm/dd/yyyy)	End time (hh:mm)	Duration (hours)	Total event volume (ft³)	Runoff (%)	Peak flow (ft³/s)	Volume of storm sampled (%)	Antecedent dry time (days)
99	05/30/2006	13:07	05/31/2006	09:00	19.88	21,047	7	19	95	4.38
100	06/09/2006	22:44	06/10/2006	09:00	10.27	21,833	8	2.1	93	3.53
101	06/18/2006	04:51	06/18/2006	17:00	12.15	8,381	7	5.2	90	3.62
102	07/11/2006	07:31	07/11/2006	18:00	10.48	55,564	9	6.1	96	1.40
103	07/20/2006	02:31	07/20/2006	09:00	6.48	24,114	7	10	93	8.35
104	07/27/2006	12:07	07/27/2006	17:00	4.88	33,333	8	18	97	1.38
105	08/06/2006	05:49	08/06/2006	13:00	7.18	19,025	7	2.9	93	9.53
106	08/17/2006	12:30	08/17/2006	20:00	7.50	8,087	6	5.7	91	10.98
107	08/23/2006	22:25	08/24/2006	06:00	7.58	64,990	8	27	76	6.10
108	08/24/2006	13:19	08/24/2006	18:00	4.68	40,280	10	28	99	.14
109	08/25/2006	06:10	08/25/2006	13:00	6.83	26,179	10	6.6	92	.51
110	09/03/2006	19:04	09/04/2006	10:00	14.93	20,399	8	3.2	95	6.04
111	09/10/2006	08:32	09/13/2006	00:00	63.47	103,766	30	13	98	5.94

Appendix table 1-6. Runoff-event characteristics for the air-sweeper basin.

[mm/dd/yyyy, month/day/year; hh:mm, hour:minute; precip., precipitation; in/hr, inches per hour; ft³, cubic feet; %, percent; ft³/s, cubic foot per second; --, data not available; NA, not applicable]

Sample ID	Start date (mm/dd/yyyy)	Start time (hh:mm)	End date (mm/dd/yyyy)	End time (hh:mm)	Duration (hours)	Precip. depth (inches)	15-min precip. intensity (in/hr)	30-min precip. intensity (in/hr)	60-min precip. intensity (in/hr)	Total event volume (ft³)	Runoff (%)	Peak flow (ft³/s)	Volume of storm sampled (%)	Antecedent dry time (days)
1	08/25/2001	02:13	08/25/2001	14:53	12.67	1.63	2.80	1.76	1.03	72,988	24	83.0	94	0.26
2	09/07/2001	12:33	09/09/2001	17:00	52.45	2.09	1.88	1.00	.60	52,721	13	19.9	98	12.90
3	09/17/2001	05:51	09/17/2001	13:13	7.37	.54	.28	.20	.18	15,253	15	6.4	90	7.54
4	09/19/2001	00:14	09/19/2001	13:00	12.77	.83	.20	.18	.16	15,348	10	1.1	90	1.46
5	09/20/2001	20:09	09/20/2001	23:00	2.85	.31	.32	.28	.27	5,507	9	1.8	74	1.30
6	10/22/2001	14:00	10/22/2001	23:26	9.43	1.63	.88	.72	.58	53,486	17	10.0	93	8.78
7	10/24/2001	07:54	10/24/2001	20:00	12.10	.27	.16	.14	.12	4,234	8	.8	63	1.35
8	11/23/2001	18:45	11/25/2001	01:57	31.20	1.05	.40	.32	.26	28,964	14	3.0	97	4.69
9	02/09/2002	22:50	02/10/2002	17:00	18.17	snowmelt	NA	NA	NA	12,528	--	1.0	93	49.18
10	02/18/2002	22:13	02/19/2002	11:00	12.78	snowmelt	NA	NA	NA	15,525	--	1.2	95	8.22
11	02/19/2002	13:50	02/21/2002	05:00	39.17	snowmelt	NA	NA	NA	34,935	--	2.6	94	.12
12	03/08/2002	04:17	03/09/2002	10:40	30.38	snowmelt	NA	NA	NA	41,908	--	2.8	97	14.97
13	04/07/2002	03:45	04/09/2002	01:00	45.25	1.67	.24	.20	.15	38,822	12	1.4	95	4.50
14	04/18/2002	17:02	04/18/2002	23:12	6.17	.80	1.36	.84	.42	24,901	16	17.4	98	3.93
15	05/01/2002	12:17	05/02/2002	02:00	13.72	.39	.20	.16	.13	6,388	9	.9	75	3.28
16	05/11/2002	10:43	05/12/2002	03:01	16.30	.68	.20	.18	NA	18,937	15	12.5	89	2.24
17	05/25/2002	04:46	05/25/2002	13:53	9.12	.62	.24	.20	.17	27,570	23	2.4	89	13.07
18	05/28/2002	21:04	05/29/2002	02:30	5.43	.70	1.84	1.00	.51	23,903	18	20.3	94	3.30
19	06/03/2002	02:05	06/03/2002	09:02	6.95	.91	1.24	.92	.52	34,864	20	17.4	97	4.98
20	06/03/2002	21:54	06/04/2002	14:14	16.33	1.37	.84	.56	.40	35,222	13	2.5	75	.54
21	06/10/2002	18:47	06/10/2002	20:49	2.03	.23	.56	.32	.19	7,429	17	7.1	85	6.19
22	06/26/2002	04:16	06/26/2002	05:02	.77	.51	1.00	.60	.33	13,876	14	20.0	92	11.40
23	07/22/2002	00:56	07/22/2002	08:25	7.48	.84	1.00	.52	.29	11,075	7	3.3	84	1.37
Sample ID	Start date (mm/dd/yyyy)	Start time (hh:mm)	End date (mm/dd/yyyy)	End time (hh:mm)	Duration (hours)	Precip. depth (inches)	15-min precip. intensity (in/hr)	30-min precip. intensity (in/hr)	60-min precip. intensity (in/hr)	Total event volume (ft³)	Runoff (%)	Peak flow (ft³/s)	Volume of storm sampled (%)	Antecedent dry time (days)
24	08/12/2002	17:21	08/13/2002	08:25	15.07	.79	.80	.46	.24	13,439	9	3.4	92	8.30
25	08/17/2002	06:59	08/17/2002	08:08	1.15	.26	1.32	NA	NA	5,598	11	5.8	81	3.94
26	08/21/2002	18:25	08/22/2002	09:18	14.88	1.21	1.28	.92	.46	29,977	13	16.5	95	4.43
27	09/02/2002	03:58	09/02/2002	09:20	5.37	1.04	.72	.64	.44	20,038	10	6.2	95	10.78
28	09/19/2002	00:56	09/19/2002	06:00	5.07	.50	.48	.34	.21	6,219	7	1.0	50	16.65
29	09/19/2002	13:16	09/19/2002	14:16	1.00	.31	.52	NA	NA	7,058	12	7.4	94	.30
30	09/20/2002	05:12	09/20/2002	11:21	6.15	.42	.76	.46	.24	5,392	7	3.1	92	.62
31	09/28/2002	21:54	09/29/2002	06:11	8.28	.61	.80	.50	.34	12,244	11	4.1	82	8.44
32	12/17/2002	23:19	12/18/2002	17:00	17.68	.67	.56	.28	.21	18,515	15	2.4	95	28.87
33	03/28/2003	04:09	03/28/2003	20:00	15.85	.53	.20	.20	.16	9,940	10	1.3	95	8.17
34	04/30/2003	06:11	04/30/2003	14:33	8.37	.67	.44	.40	.28	22,640	18	3.7	97	10.09
35	04/30/2003	20:53	05/01/2003	08:38	11.75	1.15	.80	.74	.50	43,770	20	11.1	100	.26
36	05/04/2003	19:32	05/05/2003	10:00	14.47	.72	.24	.22	.18	14,731	11	1.7	94	3.45
37	05/08/2003	20:41	05/09/2003	03:46	7.08	.49	.28	.24	.22	11,420	12	1.9	97	1.40
38	05/10/2003	20:03	05/11/2003	20:42	24.65	.74	.52	.28	.23	13,979	10	5.0	99	1.68
39	05/14/2003	06:11	05/14/2003	16:36	10.42	.38	.28	.16	.12	6,322	9	.8	84	2.40
40	05/19/2003	21:37	05/20/2003	02:51	5.23	.43	1.12	.64	.38	15,779	19	12.1	94	5.21
41	05/30/2003	17:28	05/30/2003	18:21	.88	.55	2.16	NA	NA	15,160	14	23.0	90	10.61
42	06/24/2003	07:17	06/24/2003	08:23	1.10	.34	.84	.54	NA	7,174	11	8.3	89	24.54
43	06/25/2003	15:29	06/25/2003	23:13	7.73	.45	.88	.64	.33	6,918	8	4.6	96	1.30
44	06/28/2003	01:15	06/28/2003	13:00	11.75	1.11	.88	.78	.63	26,434	13	9.5	93	2.08
45	07/15/2003	01:38	07/15/2003	03:37	1.98	1.81	2.60	2.06	1.78	66,313	19	47.3	92	6.57
46	08/05/2003	16:30	08/05/2003	18:38	2.13	.41	1.16	.62	NA	29,040	37	45.9	99	2.09
Sample ID	Start date (mm/dd/yyyy)	Start time (hh:mm)	End date (mm/dd/yyyy)	End time (hh:mm)	Duration (hours)	Precip. depth (inches)	15-min precip. intensity (in/hr)	30-min precip. intensity (in/hr)	60-min precip. intensity (in/hr)	Total event volume (ft³)	Runoff (%)	Peak flow (ft³/s)	Volume of storm sampled (%)	Antecedent dry time (days)
47	09/12/2003	12:40	09/12/2003	19:31	6.85	.59	.44	.28	.20	6,499	6	2.0	93	14.50
48	09/13/2003	04:33	09/14/2003	10:15	29.70	3.56	1.16	.88	.63	84,006	12	12.2	67	.38
49	10/13/2003	23:00	10/14/2003	11:00	12.00	.64	.28	.20	.15	7,223	6	.8	77	1.71
50	10/24/2003	15:56	10/25/2003	01:00	9.07	.75	.48	.46	.41	13,556	9	3.8	91	10.21
51	11/01/2003	21:00	11/02/2003	20:00	23.00	1.66	.60	.42	.34	32,167	10	3.6	80	7.83
52	11/03/2003	06:21	11/04/2003	11:00	28.65	2.98	.88	.72	.63	89,104	16	14.0	96	.43
53	11/17/2003	22:10	11/18/2003	12:00	13.83	.54	.36	.24	.19	8,217	8	2.0	97	13.47
54	11/22/2003	22:00	11/23/2003	12:00	14.00	1.60	.80	.58	.45	54,147	18	7.7	99	4.42
55	12/09/2003	12:51	12/11/2003	01:00	36.15	1.65	.40	.34	.27	49,896	16	5.2	96	16.04
56	02/20/2004	04:00	02/20/2004	18:00	14.00	snowmelt	NA	NA	NA	15,198	--	1.1	96	71.13
57	03/04/2004	18:17	03/05/2004	13:00	18.72	1.23	.32	.26	.26	35,700	15	3.3	98	13.01
58	03/25/2004	20:51	03/26/2004	05:00	8.15	1.50	.88	.78	.66	34,897	12	11.0	100	20.33
59	04/20/2004	15:13	04/21/2004	07:00	15.78	.74	.52	.34	.19	10,351	7	2.3	89	25.43
60	05/08/2004	22:00	05/09/2004	03:00	5.00	.57	.68	.50	.32	10,835	10	5.8	98	17.63
61	05/10/2004	03:58	05/10/2004	17:00	13.03	.46	1.04	.54	.37	11,526	13	7.1	96	1.04
63	05/17/2004	20:25	05/18/2004	02:00	5.58	.88	2.56	1.44	.74	32,219	19	49.0	97	7.14
64	05/21/2004	07:36	05/21/2004	10:00	2.40	.87	1.88	1.12	.78	25,099	15	21.0	97	3.23
65	05/21/2004	16:36	05/22/2004	09:00	16.40	2.93	2.16	1.32	.93	148,954	27	91.0	74	.28
66	05/29/2004	08:16	05/31/2004	11:00	50.73	1.52	.80	.56	.46	25,894	9	7.1	99	6.97
67	06/10/2004	10:59	06/10/2004	13:00	2.02	.33	.44	.36	.27	5,020	8	2.3	81	10.00
68	06/16/2004	21:15	06/17/2004	04:02	6.78	.78	1.04	.70	.45	11,413	8	6.1	97	6.34
69	06/24/2004	08:36	06/24/2004	13:00	4.40	.29	.20	.16	.11	4,251	8	1.6	91	7.19
70	07/09/2004	11:53	07/09/2004	14:00	2.12	.41	.88	.70	.39	13,452	17	12.0	93	14.95
Sample ID	Start date (mm/dd/yyyy)	Start time (hh:mm)	End date (mm/dd/yyyy)	End time (hh:mm)	Duration (hours)	Precip. depth (inches)	15-min precip. intensity (in/hr)	30-min precip. intensity (in/hr)	60-min precip. intensity (in/hr)	Total event volume (ft³)	Runoff (%)	Peak flow (ft³/s)	Volume of storm sampled (%)	Antecedent dry time (days)
71	07/16/2004	10:37	07/16/2004	18:00	7.38	.79	1.56	.84	.43	24,702	16	21.0	92	6.86
72	07/21/2004	08:17	07/21/2004	12:00	3.72	.40	.60	.34	.19	5,720	8	1.8	89	4.60
73	07/29/2004	15:05	07/30/2004	09:00	17.92	1.08	7.48	3.74	1.94	24,322	12	10.0	97	8.13
74	08/03/2004	19:48	08/03/2004	22:00	2.20	.83	2.48	1.34	.75	42,440	27	67.0	97	1.28
75	08/16/2004	20:06	08/17/2004	03:00	6.90	.35	.56	.40	.29	8,545	13	5.5	91	12.92
76	08/18/2004	17:42	08/18/2004	20:00	2.30	.53	1.68	.98	NA	18,524	18	26.0	94	1.61
77	08/24/2004	11:18	08/24/2004	23:00	11.70	.26	.20	.16	.10	5,797	12	5.0	92	5.64
78	08/27/2004	00:17	08/27/2004	02:00	1.72	.36	.76	.50	.35	11,318	17	9.6	98	2.05
79	09/01/2004	05:03	09/01/2004	08:00	2.95	.90	2.00	1.28	.82	45,481	27	54.0	99	3.42
80	09/15/2004	09:15	09/15/2004	19:00	9.75	.51	.32	.20	.15	9,262	10	1.8	96	9.05
81	10/08/2004	00:35	10/08/2004	10:00	9.42	.83	.76	.74	.49	29,281	19	12	96	5.52
82	10/22/2004	17:59	10/23/2004	03:00	9.02	1.19	.72	.54	.41	47,028	21	11	99	3.21
83	11/01/2004	08:45	11/02/2004	06:00	21.25	.52	.16	.12	.08	17,375	18	0.56	93	2.32
84	11/04/2004	01:05	11/05/2004	01:00	23.92	.25	.16	.12	.10	5,564	12	.34	72	1.80
85	11/26/2004	13:00	11/27/2004	22:00	33.00	.56	.12	.12	.10	7,249	7	.56	91	6.29
86	12/05/2004	22:00	12/06/2004	16:00	18.00	.48	.20	.16	.15	14,653	16	1.2	85	8.00
87	12/06/2004	23:00	12/07/2004	20:00	21.00	.80	.40	.36	.28	29,635	19	4	95	.29
88	04/06/2005	17:33	04/07/2005	01:00	7.45	.86	1.16	.80	.55	17,747	11	7.6	97	5.90
89	04/12/2005	07:12	04/12/2005	18:00	10.80	.43	.32	.28	.19	5,124	6	1.5	85	5.26
90	04/19/2005	23:00	04/20/2005	02:00	3.00	.31	.96	.60	-9	5,901	10	5.7	88	7.21
91	05/06/2005	07:02	05/06/2005	17:00	9.97	.60	.72	.48	.39	12,191	11	5	92	10.17
92	05/11/2005	04:14	05/11/2005	14:00	9.77	.99	.48	.38	.31	19,380	10	2.9	95	4.47
93	05/13/2005	01:40	05/13/2005	11:00	9.33	.57	.56	.42	.35	14,075	13	5.8	96	1.49
94	05/18/2005	22:52	05/19/2005	07:00	8.13	.55	.36	.26	.25	9,634	9	1.7	96	5.49
95	06/25/2005	00:36	06/26/2005	03:00	26.40	1.27	1.07	1.44	1.14	23,682	10	12	98	11.40
96	04/12/2006	04:57	04/12/2006	10:00	5.05	.41	.40	.32	.28	5,625	7	1.4	87	4.75
97	04/13/2006	21:31	04/14/2006	00:00	2.48	.20	.76	.38	.19	3,188	8	3.4	86	1.48
98	04/16/2006	02:04	04/16/2006	20:00	17.93	1.43	2.76	1.60	.94	67,668	25	67	86	2.09
Sample ID	Start date (mm/dd/yyyy)	Start time (hh:mm)	End date (mm/dd/yyyy)	End time (hh:mm)	Duration (hours)	Precip. depth (inches)	15-min precip. intensity (in/hr)	30-min precip. intensity (in/hr)	60-min precip. intensity (in/hr)	Total event volume (ft³)	Runoff (%)	Peak flow (ft³/s)	Volume of storm sampled (%)	Antecedent dry time (days)
99	04/29/2006	14:29	04/30/2006	20:00	29.52	1.42	.28	.24	.21	26,853	10	1.8	98	7.48
100	05/01/2006	17:36	05/02/2006	02:00	8.40	.45	1.20	.66	.34	13,712	16	13	93	.90
101	05/09/2006	10:26	05/09/2006	21:00	10.57	.48	.28	.24	.16	7,733	8	1.7	87	7.35
102	05/17/2006	15:57	05/17/2006	20:00	4.05	.22	.52	--	--	4,260	10	3.2	92	.71
103	05/24/2006	18:33	05/24/2006	20:00	1.45	1.32	4.72	2.46	1.23	47,174	19	110	92	.40
104	05/30/2006	13:07	05/31/2006	08:00	18.88	.99	1.72	1.14	.60	20,727	11	18	99	4.75
105	06/18/2006	04:51	06/18/2006	15:00	10.15	.39	.68	.38	.22	7,050	9	7.4	94	3.70
106	07/11/2006	07:31	07/11/2006	14:54	7.38	1.81	.92	.84	.61	22,395	6	3.7	98	1.48
107	08/06/2006	05:49	08/06/2006	15:00	9.18	.86	.40	.36	.30	13,504	8	2.4	87	9.66
108	08/17/2006	12:30	08/17/2006	23:00	10.50	.42	.88	.58	.32	9,444	12	5.3	85	10.90
109	08/23/2006	23:30	08/24/2006	06:00	6.50	2.44				47,010	14	19	92	6.02

Appendix table 1-7. Runoff-event characteristics for the high-frequency broom basin.

Sample ID	Start date (mm/dd/yyyy)	Start time (hh:mm)	End date (mm/dd/yyyy)	End time (hh:mm)	Duration (hours)	Precip. depth (inches)	15-min precip. intensity (in/hr)	30-min precip. intensity (in/hr)	0-min precip. intensity (in/hr)	Total event volume (ft³)	Runoff (%)	Peak flow (ft³/s)	Volume of storm sampled (%)	Antecedent dry time (days)
1	07/22/2002	00:56	07/22/2002	09:03	8.12	0.84	1.00	0.52	0.29	10,466	6	2.4	85	1.32
2	08/12/2002	17:21	08/13/2002	08:05	14.73	.88	.80	.46	.24	13,528	7	3.7	89	0.92
3	08/17/2002	06:59	08/17/2002	08:45	1.77	.38	1.32	NA	NA	4,988	6	5.8	56	3.95
4	09/02/2002	03:58	09/02/2002	10:00	6.03	1.04	.72	.64	.44	16,542	7	3.8	84	10.74
5	09/19/2002	00:56	09/19/2002	06:00	5.07	.47	.48	.34	.21	4,299	4	.7	64	16.62
6	09/20/2002	05:12	09/20/2002	12:08	6.93	.42	.76	.46	.24	7,128	8	2.9	71	0.61
7	09/28/2002	21:54	09/29/2002	06:00	8.10	.61	.80	.50	.34	6,229	5	3.2	74	8.41
8	10/03/2002	21:21	10/04/2002	13:30	16.15	1.37	1.20	1.06	.68	22,645	8	9.7	98	0.72
9	12/17/2002	23:08	12/18/2002	17:00	17.87	.73	.48	.26	.25	16,151	10	2.7	97	29.01
10	03/27/2003	23:37	03/28/2003	13:00	13.38	.56	.24	.22	.17	9,614	8	1.2	92	8.03
11	04/30/2003	05:46	04/30/2003	14:05	8.32	.76	.40	.38	.29	6,456	4	.8	81	9.78
12	04/30/2003	18:37	05/01/2003	01:41	7.07	1.24	1.00	.88	.62	28,234	11	9.1	99	0.19
13	05/04/2003	18:58	05/05/2003	08:06	13.13	.74	.32	.26	.20	11,960	8	1.5	95	3.72
14	05/08/2003	22:23	05/09/2003	03:22	4.98	.57	.32	.30	.26	9,940	8	1.7	88	1.5
15	05/10/2003	19:59	05/11/2003	19:42	23.72	.57	1.12	.58	.29	23,345	19	3.6	89	1.69
16	05/14/2003	05:31	05/14/2003	16:18	10.78	.43	.20	.18	.11	6,913	8	.4	89	2.41
17	05/19/2003	12:47	05/20/2003	02:30	13.72	.72	.76	.60	.38	11,295	7	3.5	94	4.85
18	05/30/2003	17:19	05/30/2003	18:20	1.02	.56	2.16	1.12	.56	6,643	6	9.8	96	2.13
19	06/25/2003	15:18	06/25/2003	23:20	8.03	.53	.76	.64	.36	5,228	5	3.2	99	1.28
20	06/28/2003	00:29	06/28/2003	12:09	11.67	1.45	1.52	1.30	.89	21,900	7	9.6	97	2.05
Sample ID	Start date (mm/dd/yyyy)	Start time (hh:mm)	End date (mm/dd/yyyy)	End time (hh:mm)	Duration (hours)	Precip. depth (inches)	15-min precip. intensity (in/hr)	30-min precip. intensity (in/hr)	0-min precip. intensity (in/hr)	Total event volume (ft³)	Runoff (%)	Peak flow (ft³/s)	Volume of storm sampled (%)	Antecedent dry time (days)
21	07/15/2003	01:38	07/15/2003	03:29	1.85	1.81	2.60	2.06	1.78	36,404	9	23.7	96	6.58
22	07/21/2003	01:03	07/21/2003	03:41	2.63	.40	.64	.52	.31	5,126	6	4.0	73	5.9
23	09/12/2003	11:40	09/12/2003	19:47	8.12	.86	.60	.38	.29	7,889	4	2.4	87	14.46
24	09/13/2003	03:32	09/14/2003	10:27	30.92	4.65	1.00	.82	.69	69,707	7	6.3	54	0.32
25	10/13/2003	21:00	10/14/2003	12:00	15.00	.68	.24	.20	.16	8,269	6	1.0	76	1.83
26	10/24/2003	15:34	10/25/2003	00:01	8.45	.74	.48	.44	.39	13,323	8	2.5	96	10.15
27	11/01/2003	20:09	11/02/2003	20:00	23.85	1.75	0.48	0.42	0.33	39,001	10	3.7	83	7.84
28	11/03/2003	05:46	11/04/2003	09:24	27.63	3.62	1.44	1.20	.93	123,595	16	16.0	93	0.41
29	11/22/2003	22:48	11/23/2003	10:30	11.70	1.90	.96	.64	.58	60,601	15	10.0	99	4.47
30	12/09/2003	12:47	12/10/2003	12:15	23.47	1.70	.40	.34	.26	46,552	13	2.9	99	16.1
31	02/19/2004	13:00	02/20/2004	17:00	28.00	snowmelt	NA	NA	NA	21,730	--	1.2	100	71.03
32	03/04/2004	18:06	03/05/2004	11:00	16.90	1.35	.40	.30	.29	55,866	19	5.1	98	13.05
33	04/20/2004	15:02	04/21/2004	07:00	15.97	.68	.40	.28	.19	14,990	10	1.7	98	46.17
34	05/08/2004	22:40	05/09/2004	02:20	3.67	.74	1.68	.92	.51	12,096	8	8.0	90	17.65
35	05/10/2004	03:53	05/10/2004	18:00	14.12	.79	2.12	1.20	.69	23,293	14	24.0	97	1.06
37	05/17/2004	20:21	05/18/2004	01:42	5.35	.96	2.96	1.66	.85	21,116	10	17.0	96	7.1
38	05/21/2004	16:21	05/22/2004	09:50	17.48	3.46	2.60	1.64	1.19	137,894	19	25.0	57	3.61
39	05/29/2004	08:12	05/31/2004	16:06	55.90	1.62	.84	.56	.47	41,852	12	7.8	100	6.93
40	06/10/2004	09:29	06/10/2004	13:16	3.78	.49	.60	.54	.41	9,547	9	4.0	91	9.72
41	06/10/2004	15:14	06/11/2004	09:23	18.15	.66	.56	.32	.20	22,369	16	2.4	96	0.08
Sample ID	Start date (mm/dd/yyyy)	Start time (hh:mm)	End date (mm/dd/yyyy)	End time (hh:mm)	Duration (hours)	Precip. depth (inches)	15-min precip. intensity (in/hr)	30-min precip. intensity (in/hr)	0-min precip. intensity (in/hr)	Total event volume (ft³)	Runoff (%)	Peak flow (ft³/s)	Volume of storm sampled (%)	Antecedent dry time (days)
42	06/16/2004	21:04	06/17/2004	04:50	7.77	.73	.96	.68	.42	15,172	10	6.9	98	5.49
43	06/24/2004	07:58	06/24/2004	13:05	5.12	.32	.28	.20	.14	5,288	8	1.6	99	7.13
44	07/03/2004	15:03	07/04/2004	01:25	10.37	2.20	1.88	1.62	1.13	51,728	11	20.0	97	9.08
45	07/16/2004	10:34	07/16/2004	18:16	7.70	.79	1.68	.90	.46	17,721	10	17.0	90	12.38
46	07/21/2004	08:16	07/21/2004	11:51	3.58	.37	.36	.22	.18	5,452	7	1.1	92	4.58
47	07/29/2004	15:02	07/30/2004	09:00	17.97	3.10	7.48	3.74	1.94	23,077	3	6.8	99	8.13
48	08/03/2004	18:56	08/03/2004	21:37	2.68	.96	2.96	1.60	.87	21,125	10	21.0	98	4.41
49	08/16/2004	17:33	08/17/2004	03:00	9.45	.46	1.12	.72	.39	6,644	7	4.6	94	12.83
50	08/18/2004	17:33	08/18/2004	20:00	2.45	.38	1.20	.70	NA	7,595	9	7.9	98	1.61
51	08/24/2004	12:04	08/24/2004	22:31	10.45	.34	.76	.38	.20	7,733	11	7.2	69	5.67
52	08/27/2004	23:45	08/28/2004	09:30	9.75	.27	.32	.26	.19	3,292	6	1.5	93	0.86
53	09/15/2004	09:04	09/15/2004	19:00	9.93	.62	.36	.26	.19	9,729	7	1.7	89	9
54	10/07/2004	23:33	10/09/2004	15:00	39.45	0.88	0.72	0.62	0.49	19,397	10	6.2	94	4.44
55	10/22/2004	17:16	10/23/2004	13:00	19.73	1.26	.6	.48	.39	24,140	9	3.8	82	0.34
56	11/01/2004	08:47	11/02/2004	17:00	32.22	.61	.16	.12	.09	9,521	7	.55	78	0.12
57	11/26/2004	23:24	12/02/2004	10:00	130.60	.56	.12	.12	.1	18,058	15	.59	53	4.22
58	12/05/2004	21:45	12/06/2004	14:00	16.25	.48	.2	.16	.15	8,320	8	.91	91	3.49
59	12/07/2004	00:07	12/09/2004	07:00	54.88	.8	.4	.36	.28	23,449	14	2.9	84	0.42
60	04/06/2005	16:25	04/07/2005	02:56	10.52	1.03	1.4	1.04	.67	23,941	11	11	97	6.68
61	04/12/2005	00:59	04/15/2005	21:01	92.03	.43	.32	.26	.19	17,384	19	2	77	4.92
Sample ID	Start date (mm/dd/yyyy)	Start time (hh:mm)	End date (mm/dd/yyyy)	End time (hh:mm)	Duration (hours)	Precip. depth (inches)	15-min precip. intensity (in/hr)	30-min precip. intensity (in/hr)	0-min precip. intensity (in/hr)	Total event volume (ft³)	Runoff (%)	Peak flow (ft³/s)	Volume of storm sampled (%)	Antecedent dry time (days)
62	05/05/2005	14:00	05/07/2005	20:00	54.00	.43	.52	.42	.33	11,526	13	3.8	80	8.54
63	05/11/2005	03:15	05/12/2005	04:00	24.75	1.05	.56	.44	.3	25,021	11	3.5	94	3.3
64	05/13/2005	00:47	05/15/2005	17:00	64.22	.63	.76	.6	.45	19,060	14	5.7	87	0.87
65	05/18/2005	21:53	05/20/2005	18:00	44.12	.65	.48	.28	.25	20,520	15	2.9	86	3.2
66	04/13/2006	21:31	04/15/2006	06:00	32.48	.2	.76	.38	.19	4,069	10	3.1	67	1.52
67	04/16/2006	02:04	04/16/2006	23:00	20.93	1.43	2.76	1.6	.94	28,123	9	11	95	0.84
68	04/29/2006	14:27	04/30/2006	11:48	21.35	1.6	.28	.26	.23	27,000	8	1.6	96	7.48
69	05/01/2006	18:19	05/01/2006	22:00	3.68	.49	1.32	.84	.42	14,316	14	17	100	1.27
70	05/09/2006	10:31	05/09/2006	20:00	9.48	.52	.2	.18	.14	7,396	7	.82	85	7.52
71	05/24/2006	18:33	05/24/2006	23:00	4.45	1.32	4.72	2.46	1.23	63,400	22	79	98	0.43
72	05/30/2006	13:07	05/31/2006	08:34	19.45	.99	1.72	1.14	.60	18,887	9	10	100	4.62
P73	06/09/2006	22:44	06/10/2006	07:48	9.07	.84	.4	.3	.26	12,770	7	1.5	95	3.53
74	06/25/2006	15:44	06/26/2006	14:00	22.27	.65	.64	.36	.18	8,562	6	2.6	93	4.11
75	07/11/2006	07:31	07/11/2006	18:00	10.48	1.81	.92	.84	.61	32,962	9	5.6	100	1.46
76	07/20/2006	02:31	07/20/2006	08:26	5.92	.99	1.52	.92	.52	20,382	10	12	96	8.35
77	07/27/2006	12:07	07/27/2006	17:00	4.88	1.32	2.72	1.94	1.28	22,404	8	13	96	0.38
78	08/06/2006	05:49	08/06/2006	17:00	11.18	.86	.4	.36	.30	12,364	7	1.6	91	9.53
79	08/17/2006	12:30	08/17/2006	21:00	8.50	.42	.88	.58	.32	4,147	5	3.2	95	10.81
80	08/23/2006	22:25	08/24/2006	06:00	7.58	2.44	--	--	--	50,509	10	19	94	6.06
81	08/24/2006	13:19	08/24/2006	17:00	3.68	1.2	2.16	1.34	1.04	35,433	14	20	97	0.14
82	08/25/2006	05:10	08/27/2006	19:00	61.83	.99	.88	.58	.44	22,257	11	4.9	80	0.51
83	09/03/2006	18:06	09/04/2006	15:00	20.90	.45	.44	.32	.22	12,666	13	2.1	91	5.71
84	09/10/2006	08:13	09/13/2006	03:00	66.78	3.03	1.04	.86	.52	53,603	8	4.4	98	5.72

Appendix table 1-8a. Constituent event mean concentrations measured at the control and air-sweeper basin outlets during the calibration phase.

[µg/L, microgram per liter; mg/L, milligram per liter; <, less than; --, no data]

Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
09/07/2001	0.18	0.16	12.9	32.1	<0.9	2	4.5	11.0	4.9	15.0
09/17/2001	<0.20	<0.20	31.0	44.0	3.1	2.2	8.9	14.0	2.9	13.0
09/19/2001	<0.20	<0.20	6.0	5.7	3	<1.46	2.6	3.9	3.2	3.5
04/07/2002	<0.20	.20	14.1	10.3	2	2.5	9.1	12.0	4.6	7.8
04/18/2002	59.9	.62	59.9	91.8	2.8	3.2	28.0	41.0	22.0	44.0
05/11/2002	.28	.65	42.7	98.5	3.8	3	26.0	33.0	15.0	30.0
05/25/2002	.26	<0.20	14.1	10.8	4.4	3	14.0	14.0	2.7	4.3
05/28/2002	.38	.61	36.1	154.0	4.2	5.9	23.0	40.0	14.0	29.0
06/02/2002	.37	.40	94.1	67.0	6.1	4.6	18.0	30.0	16.0	22.0
06/10/2002	.31	1.43	32.7	71.8	4.8	2.5	21.0	27.0	12.0	26.0
06/26/2002	.50	.61	23.0	103.0	4.1	4.4	13.0	26.0	13.0	130.0
07/22/2002	.37	.39	24.6	18.3	4.8	7	16.0	12.0	10.0	145.0
08/17/2002	.49	.56	32.0	60.0	4.4	5	19.0	18.0	10.0	14.0
08/21/2002	.27	.36	16.0	67.0	2.3	3.2	10.0	15.0	7.5	16.0
09/02/2002	<0.20	<0.20	13.5	13.0	2.6	2	11.0	8.1	5.0	12.0
09/19/2002	<0.20	.36	98.0	54.3	1.9	2	15.0	21	12.0	22.0
09/20/2002	<0.17	<0.17	5.5	10.2	6.9	3.5	14.0	9.1	3.4	20.0
Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
04/16/2006	.30	.80	34.5	101.6	<1.2	<1.2	17.5	39.6	17.2	41.1
04/29/2006	5.10	.24	22.0	13.0	1.4	2.4	26.0	12.0	12.0	2.3
05/09/2006	<0.20	<0.20	29.0	8.9	2.3	2.1	20.0	16.0	3.9	<1.47
05/17/2006	.30	<0.20	13.0	24.0	<1.2	<1.2	12.0	16.0	2.1	8.7
05/24/2006	.12	1.20	23.2	172.1	2	<1.2	23.9	67.5	14.1	63.8
05/30/2006	.04	.34	17.8	94.5	3.6	1.9	17.9	30.2	7.6	36.4
06/10/2006	<0.20	--	5.4	--	2.6	--	6.3	--	<1.47	--
06/18/2006	.27	.23	12.0	61.0	2.1	1.2	11.0	32.0	5.0	18.0
07/11/2006	.03	.05	6.9	7.4	<1.2	1.2	6.8	9.9	1.0	4.7
07/20/2006	<0.20	--	14.0	--	1.9	--	11.0	--	4.9	--
07/27/2006	<0.20	--	9.0	--	<1.2	--	7.2	--	5.5	--
08/06/2006	<0.20	<0.20	6.7	14.0	1.4	1.9	6.1	7.2	1.9	4
08/17/2006	<0.20	<0.20	16	16.0	3.2	2.2	15.0	14.0	6.2	6.7
08/24/2006	<0.20	--	9.8	--	<1.2	--	6.7	--	4.6	--
08/25/2006	<0.20	--	6.0	--	<1.2	--	4.2	--	3.4	--
09/03/2006	<0.20	--	6.9	--	1.8	--	4.0	--	<1.47	--
09/10/2006	<0.20	--	24.0	--	1.5	--	7.1	--	4.8	--

Appendix table 1-8a. Constituent event mean concentrations measured at the control and air-sweeper basin outlets during the calibration phase—Continued.

[µg/L, microgram per liter; mg/L, milligram per liter; <, less than; --, no data]

Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L)		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
09/07/2001	6.4	16.6	0.30	0.45	0.13	0.14	4.6	7.4	28.0	54.0
09/17/2001	17.0	25.0	.28	.47	.13	.13	4.4	2.4	27.0	56.0
09/19/2001	2.4	2.3	.19	.24	.12	.14	8.6	8.7	11.0	17.0
04/07/2002	6.2	4.3	.15	.19	<0.05	.05	2.8	7.6	29.0	53.0
04/18/2002	30.8	48.8	.64	1.01	.11	.10	5.9	5	97.0	191.0
05/11/2002	18.8	49.4	.69	1.27	.10	.12	7.6	4.6	65.0	203.0
05/25/2002	5.5	3.5	.90	1.42	.25	.50	11	11	43.0	63.0
05/28/2002	18.2	78.1	.67	1.19	.19	.32	9.7	18	100.0	194.0
06/02/2002	45.5	31.3	.72	.68	.18	.15	15	6.7	56.0	98.0
06/10/2002	15.3	32.9	1.17	2.20	.64	.87	12	28	82.0	297.0
06/26/2002	11.1	47.5	.84	1.08	.43	.44	16	15	70.0	431.0
07/22/2002	11.1	7.8	.58	.57	.20	.35	10	22	66.0	67.0
08/17/2002	16.0	23.0	.50	.62	.14	.19	8.1	12	73.0	102.0
08/21/2002	7.1	34.0	.29	.54	.08	.15	3.6	6.4	40.0	81.0
09/02/2002	6.0	5.8	.40	.33	.20	.17	6.4	5.9	34.0	36.0
09/19/2002	52.8	26.3	.51	.80	.12	.15	4.1	5.1	69.0	106.0
09/20/2002	2.4	4.8	.25	.33	.10	.15	8.4	8.4	23.0	40.0
Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L)		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
04/16/2006	18.6	53.3	.53	1.09	.06	.06	1.2	1.7	83.4	205.2
04/29/2006	9.1	4.6	11.00	.64	.13	.18	9	28	658.0	64.0
05/09/2006	8.9	2.9	3.57	.75	.42	.16	21	7.7	92.0	56.0
05/17/2006	4.8	9.9	.88	1.21	.29	.25	7.4	6.5	49.0	90.0
05/24/2006	11.7	91.9	.80	2.74	.12	.20	1.2	2.4	65.5	331.1
05/30/2006	8.6	54.3	.66	1.36	.29	.26	3.4	3.1	40.3	153.2
06/10/2006	2.0	--	.65	--	.29	--	1.8	--	24.0	--
06/18/2006	5.0	30.0	.64	.83	.22	.14	7.6	4.4	43.0	184.0
07/11/2006	2.8	3.2	.27	.33	.09	.10	1.9	2.8	27.2	41.4
07/20/2006	6.1	--	.48	--	.15	--	4.5	--	42.0	--
07/27/2006	4.3	--	.29	--	.09	--	3.6	--	35.0	--
08/06/2006	2.3	6.3	.39	.55	.25	.36	3.6	5.8	22.0	28.0
08/17/2006	5.6	6.7	.76	.77	.32	.41	8	7.9	66.0	75.0
08/24/2006	4.4	--	.28	--	.10	--	2.4	--	24.0	--
08/25/2006	2.4	--	.18	--	.07	--	2.5	--	16.0	--
09/03/2006	2.8	--	.32	--	.20	--	6	--	17.0	--
09/10/2006	12.0	--	.23	--	.09	--	2.6	--	24.0	--

Appendix table 1-8a. Constituent event mean concentrations measured at the control and air-sweeper basin outlets during the calibration phase—Continued.

[µg/L, microgram per liter; mg/L, milligram per liter; <, less than; --, no data]

Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L		Dissolved solids, total (mg/L)		Suspended sediment, total (mg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air
09/07/2001	0.19	0.19	0.42	0.29	0.42	0.29	230	956
09/17/2001	<.05	.06	.67	.52	.67	.52	161	410
09/19/2001	.18	.18	.58	.57	.58	.57	39	48
04/07/2002	.30	.32	.27	.28	.27	.28	227	107
04/18/2002	.76	.68	.40	.40	.40	.40	1,241	2,535
05/11/2002	.38	.34	.35	.19	.35	.19	853	2,657
05/25/2002	.58	.54	.37	.39	.37	.39	428	180
05/28/2002	.91	.87	1.01	1.01	1.01	1.01	851	4,470
06/02/2002	.57	.50	.49	.42	.49	.42	3,394	1,966
06/10/2002	.73	.92	.61	.75	.61	.75	688	1,333
06/26/2002	.76	.65	.85	.90	.85	.90	450	3,047
07/22/2002	.56	.38	.46	.60	.46	.60	932	429
08/17/2002	.47	.49	.76	.74	.76	.74	611	1,123
08/21/2002	.23	.25	.29	.34	.29	.34	440	1,536
09/02/2002	.61	.52	.67	.52	.67	.52	440	500
09/19/2002	.25	.34	.32	.32	.32	.32	1,324	1,088
09/20/2002	.20	.23	.24	.23	.24	.23	57	205
Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L		Dissolved solids, total (mg/L)		Suspended sediment, total (mg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air
04/16/2006	.32	.36	.27	.28	.27	.28	602	1,938
04/29/2006	.56	.65	.44	.54	.44	.54	113	125
05/09/2006	.55	.66	.39	.28	.39	.28	392	140
05/17/2006	.55	.35	.38	.32	.38	.32	203	479
05/24/2006	.77	1.00	.42	.42	.42	.42	555	4,166
05/30/2006	.65	.70	.49	.48	.49	.48	253	1,782
06/10/2006	.23	--	.26	--	.26	--	51	--
06/18/2006	.52	.35	.58	.35	.58	.35	183	243
07/11/2006	.06	.04	<.18	<.18	<.18	<.18	119	171
07/20/2006	.49	--	.53	--	.53	--	191	--
07/27/2006	.60	--	.33	--	.33	--	150	--
08/06/2006	.30	.22	.42	.38	.42	.38	65	149
08/17/2006	.51	.41	.76	.73	.76	.73	238	285
08/24/2006	.56	--	.43	--	.43	--	173	--
08/25/2006	.48	--	.52	--	.52	--	95	--
09/03/2006	.15	--	.31	--	.31	--	63	--
09/10/2006	.18	--	.59	--	.59	--	135	--

Appendix table 1-8b. Constituent event mean concentrations measured at the control and high-frequency broom basin outlets during the calibration phase.

[µg/L, microgram per liter; mg/L, milligram per liter; <, less than; --, no data]

Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
09/07/2001	0.18	--	12.9	--	<0.9	--	4.5	--	4.9	--
09/17/2001	<0.20	--	31.0	--	3.1	--	8.9	--	2.9	--
09/19/2001	<0.20	--	6.0	--	3	--	2.6	--	3.2	--
04/07/2002	<0.20	--	14.1	--	2	--	9.1	--	4.6	--
04/18/2002	59.9	--	59.9	--	2.8	--	28.0	--	22.0	--
05/11/2002	.28	--	42.7	--	3.8	--	26.0	--	15.0	--
05/25/2002	.26	--	14.1	--	4.4	--	14.0	--	2.7	--
05/28/2002	.38	--	36.1	--	4.2	--	23.0	--	14.0	--
06/02/2002	.37	--	94.1	--	6.1	--	18.0	--	16.0	--
06/10/2002	.31	--	32.7	--	4.8	--	21.0	--	12.0	--
06/26/2002	.50	--	23.0	--	4.1	--	13.0	--	13.0	--
07/22/2002	.37	0.50	24.6	19.7	4.8	15	16.0	21.0	10.0	5.3
08/17/2002	.49	--	32.0	--	4.4	--	19.0	--	10.0	--
08/21/2002	.27	--	16.0	--	2.3	--	10.0	--	7.5	--
09/02/2002	<0.20	<0.2	13.5	8.4	2.6	1.7	11.0	5.4	5.0	3.3
09/19/2002	<0.20	--	98.0	--	1.9	--	15.0	--	12.0	--
09/20/2002	<0.17	--	5.5	--	6.9	--	14.0	--	3.4	--
04/06/2005	.24	<0.23	48.7	75.6	2.5	1.8	22.1	28.1	22.3	19.3
04/12/2005	<0.23	<0.23	12.0	15.3	<1.34	2.2	11.0	13.2	5.4	6.1
04/19/2005	<0.23	--	46.0	--	3.9	--	32.0	--	22.0	--
Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
05/06/2005	.37	.23	37.2	35.5	3.8	4.2	34.8	36.2	19.4	17.4
05/11/2005	<0.23	<0.23	12.1	15.0	2.9	2.6	9.0	17.2	6.5	7.8
05/13/2005	<0.23	<0.23	11.1	60.1	<1.34	<1.34	6.5	19.2	8.1	40.3
05/18/2005	.25	.23	13.1	14.7	1.4	2.4	9.8	10.4	9.5	5.9
04/16/2006	.30	.23	34.5	36.2	<1.2	<1.2	17.5	23.5	17.2	20.4
04/29/2006	5.10	<0.20	22.0	11.0	1.4	4	26.0	16.0	12.0	1.7
05/09/2006	<0.20	<0.20	29.0	9.0	2.3	3	20.0	12.0	3.9	<1.47
05/17/2006	.30	--	13.0	--	<1.2	--	12.0	--	2.1	--
05/24/2006	.12	.15	23.2	47.4	2	4.1	23.9	34.7	14.1	21.3
05/30/2006	.04	.09	17.8	22.4	3.6	1.9	17.9	15.1	7.6	14.2
06/10/2006	<0.20	<0.20	5.4	14.0	2.6	2.1	6.3	19.0	<1.47	7.4
06/18/2006	.27	--	12.0	--	2.1	--	11.0	--	5.0	--
07/11/2006	.03	.39	6.9	147.2	<1.2	1.3	6.8	44.2	1 .0	13.2
07/20/2006	<0.20	1.54	14.0	521.7	1.9	2.3	11.0	162.8	4.9	42.2
07/27/2006	<0.20	<0.20	9.0	37.0	<1.2	1.3	7.2	16.0	5.5	10.0
08/06/2006	<0.20	<0.20	6.7	9.3	1.4	3.2	6.1	24.0	1.9	3.2
08/17/2006	<0.20	.20	16.0	26.0	3.2	4.6	15.0	26.0	6.2	5.6
08/24/2006	<0.20	<0.20	9.8	9.3	<1.2	1.4	6.7	11.0	4.6	7.6
08/25/2006	<0.20	<0.20	6.0	16.0	<1.2	<1.2	4.2	8.0	3.4	6.7
09/03/2006	<0.20	<0.20	6.9	9.0	1.8	3.3	4.0	10.0	<1.47	5.9
09/10/2006	<0.20	.86	24.0	148.4	1.5	2.5	7.1	54.6	4.8	16.6

Appendix table 1-8b. Constituent event mean concentrations measured at the control and high-frequency broom basin outlets during the calibration phase—Continued.

[µg/L, microgram per liter; mg/L, milligram per liter; <, less than; --, no data]

Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L)		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
09/07/2001	6.4	--	0.30	--	0.13	--	4.6	--	28.0	--
09/17/2001	17.0	--	.28	--	.13	--	4.4	--	27.0	--
09/19/2001	2.4	--	.19	--	.12	--	8.6	--	11.0	--
04/07/2002	6.2	--	.15	--	<0.05	--	2.8	--	29.0	--
04/18/2002	30.8	--	.64	--	.11	--	5.9	--	97.0	--
05/11/2002	18.8	--	.69	--	.10	--	7.6	--	65.0	--
05/25/2002	5.5	--	.90	--	.25	--	11	--	43.0	--
05/28/2002	18.2	--	.67	--	.19	--	9.7	--	100.0	--
06/02/2002	45.5	--	.72	--	.18	--	15	--	56.0	--
06/10/2002	15.3	--	1.17	--	.64	--	12	--	82.0	--
06/26/2002	11.1	--	.84	--	.43	--	16	--	70.0	--
07/22/2002	11.1	7.9	.58	1.51	.20	.67	10	35	66.0	119.0
08/17/2002	16.0	--	.50	--	.14	--	8.1	--	73.0	--
08/21/2002	7.1	--	.29	--	.08	--	3.6	--	40.0	--
09/02/2002	6.0	3.6	.40	.35	.20	.15	6.4	7.8	34.0	38.0
09/19/2002	52.8	--	.51	--	.12	--	4.1	--	69.0	--
09/20/2002	2.4	--	.25	--	.10	--	8.4	--	23.0	--
04/06/2005	24.6	36.5	.60	.81	.13	.10	4.4	2.6	96.7	135.9
04/12/2005	4.9	6.2	.38	.87	.15	.14	4.9	8.5	40.0	71.8
04/19/2005	20.0	--	1.68	--	.68	--	17	--	174.0	--
Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L)		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
05/06/2005	16.6	16.0	.83	.88	.04	.07	8.6	7.8	156.2	172.9
05/11/2005	4.6	6.3	.44	.57	.14	.17	7	12	46.5	79.3
05/13/2005	4.4	30.1	.29	.41	.05	.07	5.5	1.3	35.7	100.8
05/18/2005	5.1	5.1	.47	.59	.12	.17	2.3	7.2	47.7	63.3
04/16/2006	18.6	17.8	.53	.80	.06	.14	1.2	2.9	83.4	109.8
04/29/2006	9.1	3.7	11.00	.53	.13	.12	9	19	658.0	51.0
05/09/2006	8.9	2.7	3.57	.85	.42	.23	21	18	92.0	66.0
05/17/2006	4.8	--	.88	--	.29	--	7.4	--	49.0	--
05/24/2006	11.7	25.1	.80	1.14	.12	.31	1.2	2.7	65.5	116.3
05/30/2006	8.6	11.8	.66	.74	.29	.22	3.4	4.4	40.3	68.3
06/10/2006	2.0	5.4	.65	1.39	.29	.57	1.8	4	24.0	84.0
06/18/2006	5.0	--	.64	--	.22	--	7.6	--	43.0	--
07/11/2006	2.8	81.0	.27	1.05	.09	.14	1.9	3.9	27.2	173.8
07/20/2006	6.1	264.0	.48	3.18	.15	.23	4.5	5.2	42.0	794.9
07/27/2006	4.3	19.0	.29	.68	.09	.14	3.6	3.3	35.0	67.0
08/06/2006	2.3	3.4	.39	.64	.25	.39	3.6	6.8	2.20	43.0
08/17/2006	5.6	12.0	.76	.88	.32	.40	8	11	66.0	90.0
08/24/2006	4.4	5.0	.28	.43	.10	.17	2.4	2.5	24.0	39.0
08/25/2006	2.4	7.7	.18	.34	.07	.12	2.5	2.6	16.0	33.0
09/03/2006	2.8	3.5	.32	.50	.20	.31	6	10	17.0	38.0
09/10/2006	12.0	85.7	.23	1.07	.09	.19	2.6	5.7	24.0	1,183.7

Appendix table 1-8b. Constituent event mean concentrations measured at the control and high-frequency broom basin outlets during the calibration phase—Continued.

[µg/L, microgram per liter; mg/L, milligram per liter; <, less than; --, no data]

Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L)		Dissolved solids, total (mg/L		Suspended sediment, total (mg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom
09/07/2001	0.19	--	.42	--	148	--	230	--
09/17/2001	<0.05	--	.67	--	168	--	161	--
09/19/2001	.18	--	.58	--	56	--	39	--
04/07/2002	.30	--	.27	--	72	--	227	--
04/18/2002	.76	--	.40	--	54	--	1,241	--
05/11/2002	.38	--	.35	--	59	--	853	--
05/25/2002	.58	--	.37	--	70	--	428	--
05/28/2002	.91	--	1.01	--	58	--	851	--
06/02/2002	.57	--	.49	--	46	--	3,394	--
06/10/2002	.73	--	.61	--	80	--	688	--
06/26/2002	.76	--	.85	--	42	--	450	--
07/22/2002	.56	<0.05	.46	<0.18	40	94	932	506
08/17/2002	.47	--	.76	--	60	--	611	--
08/21/2002	.23	--	.29	--	92	15	440	--
09/02/2002	.61	.33	.67	.56	62	--	440	154
09/19/2002	.25	--	.32	--	38	--	1,324	--
09/20/2002	.2	--	.24	--	58	50	57	--
04/06/2005	.9	.76	.41	.43	86	78	549	1,381
04/12/2005	.84	.84	1.04	1.10	60	76	100	130
04/19/2005	2.32	--	1.43	--	154	--	536	--
Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L)		Dissolved solids, total (mg/L		Suspended sediment, total (mg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom
05/06/2005	1.08	1.22	.64	.74	56	58	644	569
05/11/2005	.52	.57	.35	.39	40	60	144	240
05/13/2005	.49	.45	.48	.44	40	55	159	1,697
05/18/2005	.64	.70	.76	.84	62	72	141	173
04/16/2006	.32	.41	.27	.38	24	46	602	878
04/29/2006	.56	.61	.44	.48	40	67	113	266
05/09/2006	.55	.68	.39	.56	130	98	392	121
05/17/2006	.55	--	.38	--	86	--	203	--
05/24/2006	.77	.78	.42	.57	72	94	555	1,228
05/30/2006	.65	.40	.49	.43	122	76	253	703
06/10/2006	.23	.44	.26	.25	44	49	51	443
06/18/2006	.52	--	.58	--	77	--	183	--
07/11/2006	.06	<0.025	<0.18	.55	30	44	119	3,282
07/20/2006	.49	.38	.53	.49	44	36	191	13,473
07/27/2006	.60	.50	.33	.35	42	40	150	841
08/06/2006	.30	.13	.42	.47	31	48	65	150
08/17/2006	.51	.31	.76	.85	54	54	238	648
08/24/2006	.56	.39	.43	.44	30	32	173	541
08/25/2006	.48	.39	.52	.54	22	32	95	129
09/03/2006	.15	.25	.31	.35	57	84	63	203
09/10/2006	.18	.15	.59	.35	224	74	135	4,145

Appendix table 1-8c. Constituent event mean concentrations measured at the control and air-sweeper basin outlets during the treatment phase.

[µg/L, microgram per liter; mg/L, milligram per liter; <, less than; --, no data]

Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
04/30/2003	0.50	0.27	18.9	18.5	4.1	5.9	17.0	19.0	12.0	9.6
04/30/2003	.79	<0.17	68.9	66.5	1.4	<1.34	17.5	25.1	10.0	19.6
05/04/2003	.58	<0.17	25.4	8.3	2	2.7	13.0	8.6	4.2	3.6
05/10/2003	.30	.34	40.9	34.2	4.8	2.7	40.0	20.0	19.0	13 .0
05/14/2003	<0.17	<0.17	21.0	11.4	3	3.1	16.0	12.0	5.3	3.4
05/19/2003	34	.30	206.8	47.0	6.3	3.7	52.7	24.0	13.0	16.0
05/30/2003	.46	.48	97.0	152.0	2.3	1.8	48.0	39.0	33.0	27.0
07/15/2003	.17	.29	39.0	12.0	3.3	14	16.0	9.7	13.0	12.0
09/12/2003	.17	<0.17	24.0	20.0	12	4.5	27.0	13.0	9.9	6.9
05/08/2004	<0.2	<0.2	158.0	82.9	8.4	5.8	43.9	26.8	36.6	31.9
05/10/2004	.24	.21	79.4	105.2	4.5	3	24.7	24.1	19.8	29.4
05/13/2004	--	--	--	--	--	--	--	--	--	--
05/17/2004	<0.20	.25	41.6	94.9	4.8	3.3	22.4	23.1	22.2	33.0
05/21/2004	<0.20	.28	83.4	34.5	1.8	1.8	23.5	18.6	22.0	24.8
Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
05/29/2004	<0.20	<0.20	137.8	15.4	2.1	5.6	74.4	12.6	25.6	8.7
06/10/2004	<0.20	<0.20	7.5	17.3	5.3	3.5	10.5	12.9	3.8	8.4
06/10/2004	<0.20	--	4.9	--	4.7	--	3.7	--	1.6	--
06/24/2004	.30	<0.20	6.1	4.8	3	2.6	5.5	4.6	3.6	4.0
07/09/2004	.25	.21	9.0	24.0	5.8	4.2	11.9	16.6	6.8	15.3
07/16/2004	<0.20	.21	11.9	18.3	4	2.6	12.3	13.1	6.7	13.5
07/21/2004	<0.20	<0.20	6.3	7.0	4.2	2.8	5.9	6.4	<1.49	4.0
07/29/2004	.20	.22	7.1	11.0	2.6	2.6	5.1	8.7	2.4	8.1
08/03/2004	.21	.06	11.2	19.8	<1.64	<1.64	7.0	13.5	8.7	13.8
08/17/2004	<0.20	<0.20	9.2	13.1	<1.64	<1.64	7.8	9.5	5.0	8.5
08/18/2004	.21	<0.20	9.5	22.9	<1.64	<1.64	20.8	16.2	3.9	16.9
08/24/2004	.26	<0.20	19.3	11.4	<1.64	1.7	10.8	12.1	2.9	6.5
08/27/2004	<0.20	.35	57.0	11.0	<1.64	<1.64	17.0	10.0	6.9	8.9
09/01/2004	.11	<0.20	11.7	17.3	<1.64	<1.64	8.9	12.9	7.8	26.3
09/15/2004	<0.23	<0.23	13.0	9.1	3.2	3.2	13.0	8.7	3.5	3.5
04/06/2005	.24	.32	48.7	46.9	2.5	3.6	22.1	26.1	22.3	22.5
04/12/2005	<0.23	<0.23	12.0	6.8	<1.34	2.1	11.0	10.0	5.4	4.1
04/19/2005	<0.23	.47	46.0	98.0	3.9	2.9	32.0	50.0	22.0	39.0
05/06/2005	.37	.04	37.2	28.4	3.8	2.4	34.8	20.7	19.4	17.8
05/11/2005	<0.23	<0.23	12.1	9.9	2.9	1.5	9.0	9.2	6.5	6.4
05/13/2005	<0.23	<0.23	11.1	15.4	<1.34	<1.34	6.5	10.0	8.1	8.8
05/18/2005	.25	<0.23	13.1	11.0	1.4	2	9.8	9.0	9.5	6.4

Appendix table 1-8c. Constituent event mean concentrations measured at the control and air-sweeper basin outlets during the treatment phase—Continued.

[µg/L, microgram per liter; mg/L, milligram per liter; <, less than; --, no data]

Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
04/30/2003	8.2	7.7	0.72	0.75	.20	.30	12	16	86.0	89.0
04/30/2003	37.5	33.3	.63	.61	.08	.07	4.4	4.7	86.7	95.6
05/04/2003	9.1	2.5	4.04	.36	<0.05	0.14	7.2	10	111.0	37.0
05/10/2003	17.2	13.7	.83	.87	.11	.13	5	6.6	95.0	111.0
05/14/2003	6.6	3.2	.95	.73	.31	.26	9.5	12	52.0	54.0
05/19/2003	109.7	22.5	1.34	.87	.19	.18	4.9	9.9	152.4	126.0
05/30/2003	48.1	76.8	1.34	1.21	.18	.18	4.7	2.7	150.0	207.0
07/15/2003	19.0	5.2	.60	.33	.10	.13	5.5	63	64.0	37.0
09/12/2003	11.0	6.2	.72	.51	.32	.27	12	6.5	64.0	70.0
05/08/2004	76.7	34.3	1.23	1.52	.12	.09	21	24	148.9	164.2
05/10/2004	39.2	58.7	.68	.76	.07	.07	9.3	12	83.8	164.1
05/13/2004	--	--	--	--	--	--	--	--	--	--
05/17/2004	21.3	46.0	.52	.74	.18	.19	6	83	86.9	132.0
05/21/2004	43.8	17.8	.62	.63	.20	.14	3.4	4.5	72.2	99.3
Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
05/29/2004	69.2	7.4	.66	.33	.13	.09	4.1	7.5	64.3	55.8
06/10/2004	2.9	6.1	.65	.43	.35	.17	16	11	36.9	73.3
06/10/2004	1.6	--	.18	--	.08	--	4.4	--	14.0	--
06/24/2004	2.2	1.6	.19	.15	.09	.08	4.7	8.2	22.6	25.2
07/09/2004	4.4	12.0	.32	.29	.11	.10	11	8.2	46.1	82.7
07/16/2004	5.5	9.1	.43	.35	.17	.12	8.6	5.5	58.5	76.7
07/21/2004	2.2	2.6	.24	.32	.13	.15	16	21	19.0	46.0
07/29/2004	3.1	5.2	.36	.42	.12	.11	9.6	9.1	26.0	51.0
08/03/2004	5.6	10.5	.32	.42	.08	.10	2	1	36.5	63.2
08/17/2004	3.9	6.1	.50	.50	.23	.21	2	3.4	43.6	120.8
08/18/2004	4.3	12.4	.37	.57	.13	.14	3.4	1.8	38.0	89.6
08/24/2004	9.6	5.3	.43	.47	.24	.23	2.4	9.4	29.1	64.8
08/27/2004	30.0	5.2	.56	.48	.12	.20	.8	4.4	37.0	49.0
09/01/2004	5.8	9.4	.29	.52	.13	.12	2.6	1.6	35.1	62.7
09/15/2004	5.0	3.3	1.05	.91	.53	.47	4.2	4.9	48.0	51.0
04/06/2005	24.6	22.6	.60	.65	.13	.11	4.4	4.3	96.7	147.7
04/12/2005	4.9	2.2	.38	.31	.15	.15	4.9	13	40.0	43.0
04/19/2005	20.0	47.0	1.68	2.04	.68	.68	17	11	174.0	320.0
05/06/2005	16.6	12.7	.83	.66	.04	<0.03	8.6	11	156.2	140.5
05/11/2005	4.6	3.5	.44	.38	.14	.17	7	9.7	46.5	51.2
05/13/2005	4.4	7.1	.29	.29	.05	.05	5.5	2.8	35.7	60.4
05/18/2005	5.1	4.0	.47	.41	.12	.09	2.3	5.2	47.7	50.0

Appendix table 1-8c. Constituent event mean concentrations measured at the control and air-sweeper basin outlets during the treatment phase—Continued.

[µg/L, microgram per liter; mg/L, milligram per liter; <, less than; --, no data]

Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L)		Dissolved solids, total (mg/L)		Suspended sediment, total (mg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air
04/30/2003	0.78	0.86	0.49	0.50	64	87	308	301
04/30/2003	.32	.29	.29	.24	36	42	1,270	1,074
05/04/2003	.38	.42	.29	.15	86	71	280	102
05/10/2003	.62	.43	.45	.25	76	94	972	549
05/14/2003	.58	.26	.41	.39	146	90	171	111
05/19/2003	.91	.84	.78	.61	90	70	3,193	847
05/30/2003	.77	.70	.40	.49	75	68	1,754	2,666
07/15/2003	.55	.39	.54	.33	46	21	794	1,344
09/12/2003	.77	.75	.95	.82	102	94	--	--
05/08/2004	1.27	1.17	.75	.89	52	64	3,360	1,348
05/10/2004	.70	.62	.49	.42	56	32	1,756	1,540
05/13/2004	--	--	.27	.34	52	72	155	148
05/17/2004	.62	.53	.35	.31	50	42	1,036	1,410
05/21/2004	.48	.43	.42	.35	79	48	1,543	874
Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L)		Dissolved solids, total (mg/L)		Suspended sediment, total (mg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air
05/29/2004	.30	.29	.30	.33	61	62	2,992	366
06/10/2004	.49	.28	.39	.42	84	81	132	252
06/10/2004	.22	--	.28	--	66	70	55	--
06/24/2004	.26	.26	.29	.28	78	64	62	35
07/09/2004	.32	.32	.37	.38	52	48	233	448
07/16/2004	.29	.22	.48	.36	54	41	261	386
07/21/2004	.28	.30	.52	.54	66	60	36	78
07/29/2004	.34	.35	.36	.41	42	56	197	290
08/03/2004	.15	.14	.30	.26	34	44	282	555
08/17/2004	.38	.38	.52	.56	31	42	188	264
08/18/2004	.30	.34	.33	.29	32	46	188	564
08/24/2004	.21	.22	.50	.42	98	49	146	240
08/27/2004	.21	.25	.33	.35	98	48	589	182
09/01/2004	.26	.31	.32	.35	42	43	207	523
09/15/2004	.08	.17	.32	.49	80	80	64	71
04/06/2005	.90	.85	.41	.39	86	86	549	936
04/12/2005	.84	.77	1.04	.80	60	52	100	50
04/19/2005	2.32	1.74	1.43	1.20	154	163	536	1,196
05/06/2005	1.08	1.09	.64	.65	56	60	644	414
05/11/2005	.52	.52	.35	.37	40	45	144	155
05/13/2005	.49	.50	.48	.52	40	50	159	258
05/18/2005	.64	.59	.76	.79	62	68	141	102

Appendix table 1-8d. Constituent event mean concentrations measured at the control and high-frequency broom basin outlets during the treatment phase.

[µg/L, microgram per liter; mg/L, milligram per liter; <, less than; --, no data]

Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
04/30/2003	0.50	<0.17	18.9	18.8	4.1	4.9	17.0	15.0	12.0	5.6
04/30/2003	.79	.25	68.9	23.1	1.4	1.6	17.5	13.0	10.0	45.0
05/04/2003	.58	<0.17	25.4	8.6	2	2.6	13.0	7.6	4.2	2.5
05/10/2003	.30	.25	40.9	22.5	4.8	2.3	40.0	11.0	19.0	7.0
05/14/2003	<0.17	<0.17	21.0	8.2	3	13	16 .0	12.0	5.3	2.2
05/19/2003	34.00	.43	206.8	1,972.50	6.3	4.1	52.7	785.1	13.0	350.1
05/30/2003	.46	.49	97.0	192.0	2.3	1.9	48.0	42.0	33.0	29.0
07/15/2003	.17	<0.17	39.0	35.0	3.3	2.5	16.0	15.0	13.0	13.0
09/12/2003	.17	<0.17	24.0	66.0	12	4.2	27.0	20.0	9.9	8.9
05/08/2004	<0.2	<0.2	158.0	34.3	8.4	6.6	43.9	24.4	36.6	13.4
05/10/2004	.24	<.2	79.4	23.9	4.5	3.4	24.7	14.3	19.8	10.6
05/13/2004	--	--	--	--	--	--	--	--	--	--
05/17/2004	<0.20	.22	41.6	87.7	4.8	5.1	22.4	25.5	22.2	17.9
05/21/2004	<0.20	--	83.4	--	1.8	--	23.5	--	22.0	--
05/29/2004	<0.20	<0.20	137.8	6.0	2.1	4.5	74.4	8.6	25.6	3.1
06/10/2004	<0.20	<0.20	7.5	6.6	5.3	4	10.5	9.6	3.8	2.5
06/10/2004	<0.20	<0.20	4.9	5.6	4.7	6.4	3.7	10.7	1.6	.4
06/24/2004	.30	<0.20	6.1	5.6	3	3.1	5.5	6.0	3.6	.1
Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
07/09/2004	.25	--	9.0	--	5.8	--	11.9	--	6.8	--
07/16/2004	<0.20	<0.20	11.9	12.7	4	2.8	12.3	13.1	6.7	12.3
07/21/2004	<0.20	<0.20	6.3	7.0	4.2	3.4	5.9	5.8	<1.49	<1.49
07/29/2004	.20	<0.20	7.1	11.1	2.6	<1.64	5.1	12.7	2.4	6.0
08/03/2004	.21	<.20	11.2	10.6	<1.64	<1.64	7.0	10.3	8.7	7.3
08/17/2004	<0.20	<0.20	9.2	7.5	<1.64	2.3	7.8	14.0	5	6.4
08/18/2004	.21	.21	9.5	7.7	<1.64	<1.64	20.8	11.0	3.9	5.5
08/24/2004	0.26	--	19.3	--	<1.64	--	10.8	--	2.9	--
08/27/2004	<0.20	<0.20	57.0	7.5	<1.64	1.66	17.0	7.4	6.9	6.6
09/01/2004	.11	--	11.7	--	<1.64	--	8.9	--	7.8	--
09/15/2004	<0.23	<0.23	13.0	10.0	3.2	3.6	13.0	12.0	3.5	3.2

Appendix table 1-8d. Constituent event mean concentrations measured at the control and high-frequency broom basin outlets during the treatment phase—Continued.

[µg/L, microgram per liter; mg/L, milligram per liter; <, less than; --, no data]

Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L)		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
04/30/2003	8.2	7.7	0.72	0.73	0.20	0.30	12	16	86.0	86.0
04/30/2003	37.5	9.1	.63	.30	.08	.09	4.4	5.5	86.7	51.0
05/04/2003	9.1	2.4	4.04	.25	<0.05	.09	7.2	11	111.0	36.0
05/10/2003	17.2	8.6	.83	.50	.11	.11	5	25	95.0	62.0
05/14/2003	6.6	2.0	.95	.39	.31	.11	9.5	18	52.0	45.0
05/19/2003	109.7	972.0	1.34	7.03	.19	.11	4.9	7.1	152.4	1,965.3
05/30/2003	48.1	90.6	1.34	1.61	.18	.23	4.7	7.9	150.0	232.0
07/15/2003	19.0	17.0	.60	.52	.10	.14	5.5	7.2	64.0	61.0
09/12/2003	11.0	31.0	.72	.65	.32	.19	12	10	64.0	111.0
05/08/2004	76.7	17.0	1.23	.64	.12	.16	21	17	148.9	101.2
05/10/2004	39.2	11.2	.68	.42	.07	.11	9.3	8.9	83.8	58.3
05/13/2004	--	--	--	--	--	--	--	--	--	--
05/17/2004	21.3	41.8	.52	.79	.18	.20	6	6.7	86.9	99.8
05/21/2004	43.8	--	.62	--	.20	--	3.4	--	72.2	--
05/29/2004	69.2	2.1	.66	.26	.13	.11	4.1	7.7	64.3	37.0
06/10/2004	2.9	2.6	.65	.41	.35	.19	16	18	36.9	49.3
06/10/2004	1.6	1.8	.18	.19	.08	.10	4.4	15	14.0	23.7
06/24/2004	2.2	1.7	.19	.17	.09	.10	4.7	11	22.6	24.3
Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L)		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
07/09/2004	4.4	--	.32	--	.11	--	11	--	46.1	--
07/16/2004	5.5	5.7	.43	.76	.17	.22	8.6	12	58.5	65.7
07/21/2004	2.2	2.4	.24	.39	.13	.23	16	18	19.0	36.0
07/29/2004	3.1	4.8	.36	.44	.12	.16	9.6	1.3	26.0	57.9
08/03/2004	5.6	5.3	.32	.44	.08	.15	2	1.6	36.5	45.0
08/17/2004	3.9	3.5	.50	.54	.23	.23	2	4.3	43.6	56 .0
08/18/2004	4.3	3.4	.37	.39	.13	.17	3.4	2.2	38.0	50.4
08/24/2004	9.6	--	.43	--	.24	--	2.4	--	29.1	--
08/27/2004	30.0	3.3	.56	.42	.12	.18	0.8	6.2	37.0	41.0
09/01/2004	5.8	--	.29	--	.13	--	2.6	--	35.1	--
09/15/2004	5.0	3.6	1.05	1.03	.53	.66	4.2	9.7	48.0	57.0

Appendix table 1-8d. Constituent event mean concentrations measured at the control and high-frequency broom basin outlets during the treatment phase—Continued.

[µg/L, microgram per liter; mg/L, milligram per liter; <, less than; --, no data]

Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L)		Dissolved solids, total (mg/L)		Suspended sediment, total (mg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom
04/30/2003	0.78	0.98	0.49	0.64	64	76	308	262
04/30/2003	.32	.30	.29	.24	36	34	1,270	422
05/04/2003	.38	.38	.29	.35	86	64	280	88
05/10/2003	.62	.43	.45	.34	76	60	972	325
05/14/2003	.58	.31	.41	.39	146	70	171	26
05/19/2003	.91	.91	.78	.58	90	64	3,193	41,418
05/30/2003	.77	.99	.40	.50	75	66	1,754	5,357
07/15/2003	.55	.30	.54	.37	46	32	794	1,063
09/12/2003	.77	.64	.95	.70	102	66	--	2,180
05/08/2004	1.27	1.26	.75	.68	52	42	3,360	599
05/10/2004	.70	.62	.49	.44	56	20	1,756	464
05/13/2004	--	--	.27	.28	52	100	155	76
05/17/2004	.62	.59	.35	.41	50	66	1,036	1,971
05/21/2004	.48	--	.42	--	79	--	1,543	--
05/29/2004	.30	.24	.30	.30	61	60	2,992	99
06/10/2004	.49	.25	.39	.30	84	62	132	131
06/10/2004	.22	.13	.28	.29	66	82	55	30
06/24/2004	.26	.22	.29	.35	78	72	62	40
Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L)		Dissolved solids, total (mg/L)		Suspended sediment, total (mg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom
07/09/2004	.32	--	.37	--	52	--	233	--
07/16/2004	.29	.08	.48	.36	54	50	261	330
07/21/2004	.28	.06	.52	.47	66	63	36	48
07/29/2004	.34	.14	.36	.30	42	45	197	264
08/03/2004	.15	.14	.3 0	.34	34	44	282	364
08/17/2004	.38	.29	.52	.50	31	36	188	213
08/18/2004	.30	.30	.33	.34	32	50	188	191
08/24/2004	.21	--	.50	--	98	--	146	--
08/27/2004	.21	.18	.33	.33	98	46	589	124
09/01/2004	.26	--	.32	--	42	--	207	--
09/15/2004	.08	.20	.32	.40	80	91	64	86

Appendix table 1-9a. Constituent event mean loads measured at the control and air-sweeper basin outlets during the calibration phase.

[<, less than; nd, no detect; --, no data]

Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
09/07/2001	0.42	0.24	29.9	47.9	nd	2.99	10.42	16.42	11.34	22.39
09/17/2001	nd	nd	21.1	19.0	2.11	.95	6.05	6.05	1.97	5.61
09/19/2001	nd	nd	5.3	2.5	2.65	nd	2.29	1.69	2.82	1.52
04/07/2002	nd	.22	36.9	11.3	5.23	2.75	23.81	13.19	12.03	8.57
04/18/2002	83.38	.44	83.4	64.7	3.90	2.26	38.98	28.91	30.63	31.03
05/11/2002	.23	.35	34.5	52.8	3.07	1.61	21.00	17.7	12.12	16.09
05/25/2002	.18	nd	9.7	8.4	3.04	2.34	9.67	10.93	1.86	3.36
05/28/2002	.37	.41	35.5	104.2	4.13	3.99	22.63	27.07	13.78	19.63
06/02/2002	.61	.39	155.5	66.1	10.08	4.54	29.74	29.62	26.43	21.72
06/10/2002	.15	.3	15.9	15.1	2.33	.53	10.18	5.68	5.82	5.47
06/26/2002	.29	.24	13.2	40.5	2.35	1.73	7.45	10.22	7.45	51.08
07/22/2002	.33	.12	22.0	5.7	4.29	2.20	14.30	3.76	8.94	45.47
08/17/2002	.16	.09	10.7	9.5	1.47	.79	6.35	2.85	3.34	2.22
08/21/2002	.28	.31	16.4	56.9	2.36	2.72	10.26	12.73	7.69	13.58
09/02/2002	nd	nd	18.1	7.4	3.50	1.13	14.79	4.60	6.72	6.81
09/19/2002	nd	.07	37.8	10.9	.73	.40	5.79	4.20	4.63	4.40
09/20/2002	nd	nd	1.8	1.6	2.29	.53	4.64	1.39	1.13	3.05
04/16/2006	.36	1.53	41.9	194.7	nd	nd	21.23	75.95	20.85	78.78
04/29/2006	7.22	.18	31.1	9.9	1.98	1.82	36.79	9.12	16.98	1.75
Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
05/09/2006	nd	nd	10.1	1.9	.80	.46	6.94	3.50	1.35	nd
05/17/2006	.03	nd	1.5	2.9	nd	nd	1.39	1.93	.24	1.05
05/24/2006	.08	1.6	15.3	230.0	1.32	nd	15.79	90.10	9.32	85.23
05/30/2006	.02	.20	10.6	55.5	2.15	1.12	10.67	17.71	4.56	21.39
06/10/2006	nd	--	3.3	.0	1.61	--	3.89	--	nd	--
06/18/2006	.06	.05	2.8	12.2	.50	.24	2.61	6.39	1.19	3.59
07/11/2006	.05	.03	10.8	4.7	nd	.76	10.73	6.27	1.51	2.95
07/20/2006	nd	--	9.6	. 0	1.30	--	7.51	--	3.35	--
07/27/2006	nd	--	8.5	.0	nd	--	6.80	--	5.19	--
08/06/2006	nd	nd	3.6	5.4	.75	.73	3.29	2.75	1.02	1.53
08/17/2006	nd	nd	3.7	4.3	.73	.59	3.43	3.74	1.42	1.79
08/24/2006	nd	--	11.2	.0	nd	--	7.64	--	5.25	--
08/25/2006	nd	--	4.4	.0	nd	--	3.11	--	2.52	--
09/03/2006	nd	--	4.0	.0	1.04	--	2.31	--	nd	--
09/10/2006	nd	--	70.5	.0	4.41	--	20.86	--	14.10	--

Appendix table 1-9a. Constituent event mean loads measured at the control and air-sweeper basin outlets during the calibration phase--Continued.

[<, less than; nd, no detect; --, no data]

Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L)		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
09/07/2001	14.82	24.78	0.70	0.67	0.30	0.21	10.65	11.05	64.83	80.62
09/17/2001	11.56	10.80	.19	.20	.09	.06	2.99	1.04	18.36	24.19
09/19/2001	2.12	1.00	.17	.10	.11	.06	7.59	3.78	9.70	7.39
04/07/2002	16.22	4.73	.38	.21	nd	.05	7.33	8.35	75.87	58.26
04/18/2002	42.88	34.41	.89	.71	.15	.07	8.21	3.53	135.03	134.68
05/11/2002	15.18	26.49	.56	.68	.08	.06	6.14	2.47	52.50	108.86
05/25/2002	3.80	2.73	.62	1.11	.17	.39	7.60	8.59	29.69	49.18
05/28/2002	17.91	52.86	.66	.81	.19	.22	9.55	12.18	98.40	131.31
06/02/2002	75.16	30.90	1.20	.67	.30	.15	24.78	6.61	92.51	96.75
06/10/2002	7.42	6.92	.57	.46	.31	.18	5.82	5.89	39.75	62.48
06/26/2002	6.36	18.66	.48	.42	.25	.17	9.16	5.89	40.09	169.35
07/22/2002	9.92	2.45	.52	.18	.18	.11	8.94	6.90	58.97	21.01
08/17/2002	5.35	3.65	.17	.10	.05	.03	2.71	1.90	24.40	16.17
08/21/2002	7.28	28.86	.30	.45	.08	.13	3.69	5.43	41.03	68.76
09/02/2002	8.07	3.29	.54	.19	.27	.10	8.60	3.35	45.71	20.43
09/19/2002	20.37	5.26	.20	.16	.05	.03	1.58	1.02	26.62	21.19
09/20/2002	.80	.73	.08	.05	.03	.02	2.78	1.28	7.62	6.11
Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L)		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
04/16/2006	22.62	102.15	.65	2.10	.08	.12	1.46	3.26	101.34	393.13
04/29/2006	12.88	3.50	15.57	.49	.18	.14	12.74	21.29	931.14	48.67
05/09/2006	3.09	.64	1.24	.16	.15	.04	7.29	1.69	31.94	12.26
05/17/2006	.56	1.19	.10	.15	.03	.03	.86	.78	5.67	10.86
05/24/2006	7.75	122.74	.53	3.66	.08	.27	.79	3.21	43.19	442.34
05/30/2006	5.12	31.88	.39	.80	.17	.15	2.03	1.82	24.03	89.92
06/10/2006	1.24	--	.40	--	.18	--	1.11	--	14.84	--
06/18/2006	1.19	5.99	.15	.17	.05	.03	1.80	.88	10.20	36.73
07/11/2006	4.41	2.04	.42	.21	.14	.06	2.99	1.78	42.78	26.22
07/20/2006	4.17	--	.33	--	.10	--	3.07	--	28.68	--
07/27/2006	4.06	--	.28	--	.09	--	3.40	--	33.04	--
08/06/2006	1.24	2.41	.21	.21	.13	.14	1.94	2.22	11.85	10.71
08/17/2006	1.28	1.79	.17	.21	.07	.11	1.83	2.11	15.11	20.06
08/24/2006	5.02	--	.32	--	.11	--	2.74	--	27.37	--
08/25/2006	1.78	--	.13	--	.05	--	1.85	--	11.86	--
09/03/2006	1.62	--	.18	--	.12	--	3.47	--	9.82	--
09/10/2006	35.26	--	.68	--	.26	--	7.64	--	70.52	--

Appendix table 1-9a. Constituent event mean loads measured at the control and air-sweeper basin outlets during the calibration phase—Continued.

[<, less than; nd, no detect; --, no data]

Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L		Dissolved solids, total (mg/L)		Suspended sediment, total (mg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air
09/07/2001	0.44	0.28	0.97	0.43	343	66	532	1,427
09/17/2001	nd	.03	.45	.22	114	129	109	177
09/19/2001	.16	.08	.51	.25	49	25	34	21
04/07/2002	.78	.35	.72	.31	188	86	594	118
04/18/2002	1.06	.48	.56	.28	75	49	1,728	1,787
05/11/2002	.31	.18	.28	.10	48	31	689	1,425
05/25/2002	.40	.42	.26	.30	48	80	296	141
05/28/2002	.89	.59	.99	.68	57	49	837	3,026
06/02/2002	.93	.49	.81	.42	76	39	5,607	1,941
06/10/2002	.35	.19	.29	.16	39	22	334	280
06/26/2002	.43	.26	.49	.35	24	22	257	1,197
07/22/2002	.50	.12	.41	.19	36	16	832	134
08/17/2002	.16	.08	.25	.12	20	10	204	178
08/21/2002	.24	.21	.30	.29	94	53	451	1,304
09/02/2002	.81	.30	.90	.29	83	24	592	284
09/19/2002	.10	.07	.12	.06	15	7	511	217
09/20/2002	.07	.03	.08	.04	19	8	19	31
Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L		Dissolved solids, total (mg/L)		Suspended sediment, total (mg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air
04/16/2006	.39	.68	.33	.53	29	75	732	3,714
04/29/2006	.80	.50	.62	.41	57	58	160	95
05/09/2006	.19	.14	.14	.06	45	21	136	31
05/17/2006	.06	.04	.04	.04	10	9	23	58
05/24/2006	.51	1.34	.28	.56	47	77	366	5,565
05/30/2006	.39	.41	.29	.28	73	42	151	1,046
06/10/2006	.14	--	.16	--	27	--	32	--
06/18/2006	.12	.07	.14	.07	18	12	43	49
07/11/2006	.10	.02	nd	nd	47	16	187	109
07/20/2006	.34	--	.36	--	30	--	130	--
07/27/2006	.56	--	.31	--	40	--	142	--
08/06/2006	.16	.08	.22	.15	17	15	35	57
08/17/2006	.12	.11	.17	.20	12	16	55	76
08/24/2006	.64	--	.48	--	34	--	197	--
08/25/2006	.35	--	.39	--	16	--	70	--
09/03/2006	.09	--	.18	--	33	--	36	--
09/10/2006	.52	--	1.74	--	658	--	397	--

Appendix table 1-9b. Constituent event mean loads measured at the control and high-frequency broom basin outlets during the calibration phase.

[<, less than; nd, no detect; --, no data]

Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
09/07/2001	0.42	--	29.9	--	nd	--	10.42	--	11.34	--
09/17/2001	nd	--	21.1	--	2.11	--	6.05	--	1.97	--
09/19/2001	nd	--	5.3	--	2.65	--	2.29	--	2.82	--
04/07/2002	nd	--	36.9	--	5.23	--	23.81	--	12.03	--
04/18/2002	83.38	--	83.4	--	3.90	--	38.98	--	30.63	--
05/11/2002	.23	--	34.5	--	3.07	--	21.00	--	12.12	--
05/25/2002	.18	--	9.7	--	3.04	--	9.67	--	1.86	--
05/28/2002	.37	--	35.5	--	4.13	--	22.63	--	13.78	--
06/02/2002	.61	--	155.5	--	10.08	--	29.74	--	26.43	--
06/10/2002	.15	--	15.9	--	2.33	--	10.18	--	5.82	--
06/26/2002	.29	--	13.2	--	2.35	--	7.45	--	7.45	--
07/22/2002	.33	.15	22.0	5.8	4.29	4.45	14.30	6.22	8.94	1.57
08/17/2002	.16	--	10.7	--	1.47	--	6.35	--	3.34	--
08/21/2002	.28	--	16.4	--	2.36	--	10.26	--	7.69	--
09/02/2002	nd	nd	18.1	3.9	3.50	.80	14.79	2.53	6.72	1.55
09/19/2002	nd	--	37.8	--	.73	--	5.79	--	4.63	--
09/20/2002	nd	--	1.8	--	2.29	--	4.64	--	1.13	--
Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
04/06/2005	.21	nd	42.4	51.2	2.18	1.22	19.26	19.06	19.44	13.10
04/12/2005	nd	nd	5.5	7.6	nd	1.08	5.03	6.51	2.47	2.98
04/19/2005	nd	--	6.7	--	.56	--	4.63	--	3.18	--
05/06/2005	.12	.08	11.9	11.6	1.22	1.37	11.16	11.80	6.22	5.68
05/11/2005	nd	nd	9.9	10.7	2.39	1.84	7.38	12.16	5.38	5.54
05/13/2005	nd	nd	5.3	32.4	nd	nd	3.14	10.37	3.91	21.77
05/18/2005	.12	.13	6.2	8.6	.66	1.39	4.60	6.05	4.45	3.44
04/16/2006	.36	.19	41.9	28.8	nd	nd	21.23	18.72	20.85	16.23
04/29/2006	7.22	nd	31.1	8.4	1.98	3.06	36.79	12.23	16.98	1.30
05/09/2006	nd	nd	10.1	1.9	.80	.63	6.94	2.51	1.35	nd
05/17/2006	.03	--	1.5	--	nd	--	1.39	--	.24	--
05/24/2006	.08	.26	15.3	85.1	1.32	7.36	15.79	62.28	9.32	38.18
05/30/2006	.02	.05	10.6	12.0	2.15	1.02	10.67	8.06	4.56	7.60
06/10/2006	nd	nd	3.3	5.1	1.61	.76	3.89	6.87	nd	2.68
06/18/2006	.06	--	2.8	--	.50	--	2.61	--	1.19	--
07/11/2006	.05	.36	10.8	137.4	nd	1.21	10.73	41.23	1.51	12.36
07/20/2006	nd	.89	9.6	301.1	1.3	1.33	7.51	93.96	3.35	24.36
07/27/2006	nd	nd	8.5	23.5	nd	.82	6.80	10.15	5.19	6.34
08/06/2006	nd	nd	3.6	3.3	.75	1.12	3.29	8.40	1.02	1.12
08/17/2006	nd	.02	3.7	3.1	.73	.54	3.43	3.05	1.42	.66
08/24/2006	nd	nd	11.2	9.3	nd	1.4	7.64	11.04	5.25	7.63
08/25/2006	nd	nd	4.4	10.1	nd	nd	3.11	5.04	2.52	4.22
09/03/2006	nd	nd	4.0	3.2	1.04	1.18	2.31	3.59	nd	2.12
09/10/2006	nd	1.31	70.5	225.2	4.41	3.79	20.86	82.88	14.10	25.18

Appendix table 1-9b. Constituent event mean loads measured at the control and high-frequency broom basin outlets during the calibration phase--Continued.

[<, less than; nd, no detect; --, no data]

Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L)		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
09/07/2001	14.82	--	.70	--	0.30	--	10.65	--	64.83	--
09/17/2001	11.56	--	.19	--	.09	--	2.99	--	18.36	--
09/19/2001	2.12	--	.17	--	.11	--	7.59	--	9.7 0	--
04/07/2002	16.22	--	.38	--	nd	--	7.33	--	75.87	--
04/18/2002	42.88	--	.89	--	.15	--	8.21	--	135.03	--
05/11/2002	15.18	--	.56	--	.08	--	6.14	--	52.50	--
05/25/2002	3.80	--	.62	--	.17	--	7.60	--	29.69	--
05/28/2002	17.91	--	.66	--	.19	--	9.55	--	98.40	--
06/02/2002	75.16	--	1.20	--	.30	--	24.78	--	92.51	--
06/10/2002	7.42	--	.57	--	.31	--	5.82	--	39.75	--
06/26/2002	6.36	--	.48	--	.25	--	9.16	--	40.09	--
07/22/2002	9.92	2.34	.52	0.45	.18	0.20	8.94	10.37	58.97	35.27
08/17/2002	5.35	--	.17	--	.05	--	2.71	--	24.40	--
08/21/2002	7.28	--	.30	--	.08	--	3.69	--	41.03	--
09/02/2002	8.07	1.69	.54	.16	.27	.07	8.60	3.65	45.71	17.8
09/19/2002	20.37	--	.20	--	.05	--	1.58	--	26.62	--
09/20/2002	.80	--	.08	--	.03	--	2.78	--	7.62	--
04/06/2005	21.43	24.72	.52	.55	.11	.07	3.83	1.76	84.21	92.17
04/12/2005	2.24	3.06	.18	.43	.07	.07	2.24	4.18	18.28	35.33
04/19/2005	2.89	--	.24	--	.10	--	2.46	--	25.16	--
Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L)		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
05/06/2005	5.31	5.22	.27	.29	.01	.02	2.76	2.55	50.15	56.44
05/11/2005	3.78	4.48	.37	.40	.11	.12	5.77	8.50	38.35	56.20
05/13/2005	2.11	16.23	.14	.22	.02	.04	2.64	.70	17.14	54.38
05/18/2005	2.41	2.99	.22	.34	.06	.10	1.08	4.18	22.39	36.79
04/16/2006	22.62	14.15	.65	.64	.08	.11	1.46	2.31	101.34	87.42
04/29/2006	12.88	2.83	15.57	.41	.18	.09	12.74	14.53	931.14	38.99
05/09/2006	3.09	.57	1.24	.18	.15	.05	7.29	3.77	31.94	13.82
05/17/2006	.56	--	.10	--	.03	--	.86	--	5.67	--
05/24/2006	7.75	45.05	.53	2.04	.08	.56	.79	4.85	43.19	208.85
05/30/2006	5.12	6.30	.39	.39	.17	.12	2.03	2.35	24.03	36.52
06/10/2006	1.24	1.95	.40	.50	.18	.21	1.11	1.45	14.84	30.37
06/18/2006	1.19	--	.15	--	.05	--	1.80	--	10.20	--
07/11/2006	4.41	75.61	.42	.98	.14	.13	2.99	3.64	42.78	162.22
07/20/2006	4.17	152.35	.33	1.84	.10	.13	3.07	3.00	28.68	458.79
07/27/2006	4.06	12.05	.28	.43	.09	.09	3.40	2.09	33.04	42.50
08/06/2006	1.24	1.19	.21	.22	.13	.14	1.94	2.38	11.85	15.05
08/17/2006	1.28	1.41	.17	.10	.07	.05	1.83	1.29	15.11	10.57
08/24/2006	5.02	5.02	.32	.43	.11	.17	2.74	2.51	27.37	39.13
08/25/2006	1.78	4.85	.13	.21	.05	.08	1.85	1.64	11.86	20.8
09/03/2006	1.62	1.26	.18	.18	.12	.11	3.47	3.59	9.82	13.63
09/10/2006	35.26	130.06	.68	1.63	.26	.29	7.64	8.65	70.52	1,796.68

Appendix table 1-9b. Constituent event mean loads measured at the control and high-frequency broom basin outlets during the calibration phase--Continued.

[<, less than; nd, no detect; --, no data]

Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L)		Dissolved solids, total (mg/L		Suspended sediment, total (mg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom
09/07/2001	0.44	--	0.97	--	343	--	532	--
09/17/2001	nd	--	.45	--	114	--	109	--
09/19/2001	.16	--	.51	--	49	--	34	--
04/07/2002	.78	--	.72	--	188	--	594	--
04/18/2002	1.06	--	.56	--	75	--	1,728	--
05/11/2002	.31	--	.28	--	48	--	689	--
05/25/2002	.40	--	.26	--	48	--	296	--
05/28/2002	.89	--	.99	--	57	--	837	--
06/02/2002	.93	--	.81	--	76	--	5,607	--
06/10/2002	.35	--	.29	--	39	--	334	--
06/26/2002	.43	--	.49	--	24	--	257	--
07/22/2002	.50	nd	.41	nd	36	28	832	150
08/17/2002	.16	--	.25	--	20	--	204	--
08/21/2002	.24	--	.30	--	94	--	451	--
09/02/2002	.81	.16	.90	.26	83	23	592	72
09/19/2002	.10	--	.12	--	15	--	511	--
09/20/2002	.07	--	.08	--	19	--	19	--
Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L)		Dissolved solids, total (mg/L		Suspended sediment, total (mg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom
04/06/2005	.79	.52	.36	.29	75	53	478	936
04/12/2005	.38	.41	.47	.54	27	37	46	64
04/19/2005	.34	--	.21	--	22	--	78	--
05/06/2005	.35	.4	.20	.24	18	19	207	186
05/11/2005	.43	.41	.29	.27	33	43	119	170
05/13/2005	.23	.24	.23	.24	19	30	76	916
05/18/2005	.3 0	.41	.36	.49	29	42	66	100
04/16/2006	.39	.33	.33	.30	29	37	732	699
04/29/2006	.80	.47	.62	.37	57	51	160	203
05/09/2006	.19	.14	.14	.12	45	21	136	25
05/17/2006	.06	--	.04	--	10	--	23	--
05/24/2006	.51	1.40	.28	1.02	47	169	366	2,204
05/30/2006	.39	.21	.29	.23	73	41	151	376
06/10/2006	.14	.16	.16	.09	27	18	32	160
06/18/2006	.12	--	.14	--	18	--	43	--
07/11/2006	.10	nd	nd	.51	47	41	187	3,063
07/20/2006	.34	.22	.36	.28	30	21	130	7,776
07/27/2006	.56	.31	.31	.22	40	25	142	534
08/06/2006	.16	.05	.22	.16	17	17	35	53
08/17/2006	.12	.04	.17	.10	12	6	55	76
08/24/2006	.64	.39	.48	.44	34	32	197	543
08/25/2006	.35	.25	.39	.34	16	20	70	81
09/03/2006	.09	.09	.18	.12	33	30	36	73
09/10/2006	.52	.22	1.74	.52	658	112	397	6,292

Appendix table 1-9c. Constituent event mean loads measured at the control and air-sweeper basin outlets during the treatment phase.

[<, less than; nd, no detect; --, no data]

Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
04/30/2003	0.35	0.17	13.2	11.9	2.86	3.78	11.86	12.18	8.37	6.15
04/30/2003	1.22	nd	105.9	82.4	2.15	nd	26.95	31.16	15.36	24.29
05/04/2003	.42	nd	18.5	3.5	1.46	1.13	9.47	3.59	3.06	1.50
05/10/2003	.20	.13	26.8	13.5	3.15	1.07	26.24	7.92	12.46	5.15
05/14/2003	nd	nd	7.1	2.0	1.02	.55	5.44	2.15	1.80	.61
05/19/2003	17.5	.13	106.4	21.0	3.24	1.65	27.11	10.72	6.69	7.15
05/30/2003	.13	.21	26.4	65.3	.63	.77	13.05	16.74	8.97	11.59
07/15/2003	.19	.54	44.5	22.5	3.77	26.29	18.28	18.21	14.85	22.53
09/12/2003	.03	nd	4.7	3.7	2.36	.83	5.31	2.39	1.95	1.27
05/08/2004	nd	nd	61.2	25.4	3.25	1.78	17.00	8.22	14.18	9.80
05/10/2004	.08	.07	26.7	34.3	1.51	.98	8.28	7.86	6.64	9.59
05/13/2004	--	--	--	--	--	--	--	--	--	--
05/17/2004	nd	.23	22.6	86.6	2.61	3.01	12.20	21.04	12.09	30.10
05/21/2004	nd	.20	36.4	24.6	.79	1.28	10.28	13.19	9.60	17.61
Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
05/29/2004	nd	nd	142.9	11.3	2.18	4.11	77.19	9.23	26.58	6.38
06/10/2004	nd	nd	1.4	2.5	1.00	.50	1.98	1.83	.72	1.19
06/10/2004	nd	--	3.5	0	3.37	--	2.68	--	1.15	--
06/24/2004	.07	nd	1.3	.6	.66	.31	1.21	.56	.79	.48
07/09/2004	.08	.08	2.7	9.1	1.76	1.60	3.61	6.31	2.07	5.82
07/16/2004	nd	.15	5.8	12.8	1.97	1.82	6.04	9.15	3.30	9.43
07/21/2004	nd	nd	1.6	1.1	1.07	.45	1.51	1.04	nd	.65
07/29/2004	.17	.15	5.9	7.6	2.16	1.79	4.23	5.99	1.99	5.58
08/03/2004	.14	.07	7.6	23.8	nd	nd	4.75	16.2	5.91	16.58
08/17/2004	nd	nd	2.0	3.2	nd	nd	1.74	2.30	1.11	2.06
08/18/2004	.06	nd	2.6	12.0	nd	nd	5.64	8.48	1.06	8.87
08/24/2004	.04	nd	3.0	1.9	nd	.28	1.67	1.98	.45	1.07
08/27/2004	nd	.11	6.6	3.5	nd	nd	1.98	3.21	.80	2.85
09/01/2004	.06	nd	6.0	22.2	nd	nd	4.61	16.64	4.06	33.82
09/15/2004	nd	nd	5.4	2.4	1.33	.84	5.40	2.28	1.45	.92
04/06/2005	.21	.16	42.4	23.6	2.18	1.81	19.26	13.14	19.44	11.29
04/12/2005	nd	nd	5.5	1.0	nd	.30	5.03	1.45	2.47	.59
04/19/2005	nd	.08	6.7	16.4	.56	.48	4.63	8.36	3.18	6.52
05/06/2005	.12	.01	11.9	9.8	1.22	.83	11.16	7.14	6.22	6.14
05/11/2005	nd	nd	9.9	5.4	2.39	.82	7.38	5.05	5.38	3.53
05/13/2005	nd	nd	5.3	6.1	nd	nd	3.14	4.00	3.91	3.51
05/18/2005	.12	nd	6.2	3.0	.66	.55	4.6 0	2.46	4.45	1.75

Appendix table 1-9c. Constituent event mean loads measured at the control and air-sweeper basin outlets during the treatment phase--Continued.

[<, less than; nd, no detect; --, no data]

Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
04/30/2003	5.72	4.94	0.50	0.48	0.14	0.19	8.37	10.26	59.98	57.06
04/30/2003	57.63	41.32	.97	.75	.12	.09	6.76	5.83	133.23	118.47
05/04/2003	6.63	1.04	2.94	.15	nd	.06	5.25	4.17	80.87	15.43
05/10/2003	11.28	5.42	.55	.34	.07	.05	3.28	2.61	62.31	43.94
05/14/2003	2.24	.57	.32	.13	.11	.05	3.23	2.15	17.68	9.67
05/19/2003	56.46	10.05	.69	.39	.10	.08	2.52	4.42	78.46	56.30
05/30/2003	13.08	32.97	.36	.52	.05	.08	1.28	1.16	40.79	88.86
07/15/2003	21.70	9.76	.69	.63	.11	.24	6.28	118.3	73.10	69.48
09/12/2003	2.16	1.14	.14	.09	.06	.05	2.36	1.20	12.58	12.88
05/08/2004	29.69	10.51	.48	.47	.05	.03	8.13	7.36	57.69	50.37
05/10/2004	13.16	19.16	.23	.25	.02	.02	3.12	3.92	28.13	53.55
05/13/2004	--	--	--	--	--	--	--	--	--	--
05/17/2004	11.58	41.96	.28	.67	.10	.17	3.26	75.72	47.30	120.47
05/21/2004	19.14	12.62	.27	.45	.09	.10	1.48	3.20	31.54	70.54
Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air	Control	Air
05/29/2004	71.79	5.43	.69	.24	.13	.07	4.25	5.50	66.67	40.93
06/10/2004	.56	0.87	.12	.06	.07	.02	3.03	1.56	6.99	10.42
06/10/2004	1.16	--	.13	--	.06	--	3.15	--	10.02	--
06/24/2004	.48	0.19	.04	.02	.02	.01	1.04	.99	4.99	3.04
07/09/2004	1.34	4.55	.10	.11	.03	.04	3.34	3.12	13.99	31.49
07/16/2004	2.71	6.38	.21	.25	.08	.08	4.24	3.85	28.85	53.67
07/21/2004	.56	0.42	.06	.05	.03	.02	4.09	3.40	4.86	7.45
07/29/2004	2.57	3.58	.30	.29	.10	.08	7.96	6.27	21.55	35.12
08/03/2004	3.79	12.66	.22	.50	.05	.12	1.36	1.20	24.79	75.92
08/17/2004	.87	1.47	.11	.12	.05	.05	.45	.82	9.72	29.22
08/18/2004	1.17	6.52	.10	.30	.04	.08	.92	.94	10.28	47.00
08/24/2004	1.49	0.86	.07	.08	.04	.04	.37	1.54	4.50	10.64
08/27/2004	3.49	1.67	.07	.15	.01	.06	.09	1.41	4.31	15.70
09/01/2004	2.99	12.15	.15	.68	.07	.15	1.35	2.06	18.17	80.74
09/15/2004	2.08	0.87	.44	.24	.22	.12	1.74	1.29	19.94	13.38
04/06/2005	21.43	11.36	.52	.33	.11	.06	3.83	2.16	84.21	74.21
04/12/2005	2.24	0.32	.18	.04	.07	.02	2.24	1.89	18.28	6.24
04/19/2005	2.89	7.85	.24	.34	.10	.11	2.46	1.84	25.16	53.47
05/06/2005	5.31	4.37	.27	.23	.01	nd	2.76	3.80	50.15	48.50
05/11/2005	3.78	1.9	.37	.21	.11	.09	5.77	5.32	38.35	28.11
05/13/2005	2.11	2.82	.14	.12	.02	.02	2.64	1.12	17.14	24.08
05/18/2005	2.41	1.09	.22	.11	.06	.02	1.08	1.42	22.39	13.64

Appendix table 1-9c. Constituent event mean loads measured at the control and air-sweeper basin outlets during the treatment phase--Continued.

[<, less than; nd, no detect; --, no data]

Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L)		Dissolved solids, total (mg/L)		Suspended sediment, total (mg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air
04/30/2003	0.54	0.55	0.34	0.32	45	56	215	193
04/30/2003	.49	.36	.45	.30	55	52	1,951	1,332
05/04/2003	.28	.18	.21	.06	63	30	204	43
05/10/2003	.41	.17	.29	.10	50	37	638	217
05/14/2003	.20	.05	.14	.07	50	16	58	20
05/19/2003	.47	.38	.40	.27	46	31	1,643	378
05/30/2003	.21	.30	.11	.21	20	29	477	1,144
07/15/2003	.63	.73	.62	.62	53	39	907	2,524
09/12/2003	.15	.14	.19	.15	20	17	--	--
05/08/2004	.49	.36	.29	.27	20	20	1,301	414
05/10/2004	.23	.20	.16	.14	19	10	589	503
05/13/2004	--	--	.04	.04	8	8	25	17
05/17/2004	.34	.48	.19	.29	27	38	564	1,287
05/21/2004	.21	.30	.18	.25	35	34	674	621
Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L)		Dissolved solids, total (mg/L)		Suspended sediment, total (mg/L)
Event date	Control	Air	Control	Air	Control	Air	Control	Air
05/29/2004	.31	.21	.31	.24	63	45	3,104	268
06/10/2004	.09	.04	.07	.06	16	12	25	36
06/10/2004	.16	--	.20	--	47	--	40	--
06/24/2004	.06	.03	.06	.03	17	8	14	4
07/09/2004	.10	.12	.11	.15	16	18	71	171
07/16/2004	.14	.15	.24	.25	27	29	129	270
07/21/2004	.07	.05	.13	.09	17	10	9	13
07/29/2004	.28	.24	.30	.28	35	39	164	200
08/03/2004	.10	.17	.20	.31	23	53	191	666
08/17/2004	.08	.09	.12	.14	7	10	42	64
08/18/2004	.08	.18	.09	.15	9	24	51	296
08/24/2004	.03	.04	.08	.07	15	8	23	39
08/27/2004	.02	.08	.04	.11	11	15	69	58
09/01/2004	.14	.40	.17	.45	22	55	107	673
09/15/2004	.03	.04	.13	.13	33	21	27	19
04/06/2005	.79	.43	.36	.20	75	43	478	470
04/12/2005	.38	.11	.47	.12	27	8	46	7
04/19/2005	.34	.29	.21	.20	22	27	78	200
05/06/2005	.35	.38	.20	.23	18	21	207	143
05/11/2005	.43	.28	.29	.20	33	25	119	85
05/13/2005	.23	.20	.23	.21	19	20	76	103
05/18/2005	.30	.16	.36	.21	29	19	66	28

Appendix table 1-9d. Constituent event mean loads measured at the control and high-frequency broom basin outlets during the treatment phase.

[<, less than; nd, no detect; --, no data]

Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
04/30/2003	0.35	nd	13.2	3.4	2.86	0.90	11.86	2.74	8.37	1.02
04/30/2003	1.22	.20	105.9	18.5	2.15	1.28	26.95	10.39	15.36	35.98
05/04/2003	.42	nd	18.5	2.9	1.46	.88	9.47	2.57	3.06	.85
05/10/2003	.20	.17	26.8	14.9	3.15	1.52	26.24	7.27	12.46	4.63
05/14/2003	nd	nd	7.1	1.6	1.02	2.54	5.44	2.35	1.80	.43
05/19/2003	17.5	.14	106.4	630.9	3.24	1.31	27.11	251.09	6.69	111.97
05/30/2003	.13	.09	26.4	36.1	.63	.36	13.05	7.90	8.97	5.46
07/15/2003	.19	nd	44.5	36.1	3.77	2.58	18.28	15.46	14.85	13.40
09/12/2003	.03	nd	4.7	15.0	2.36	.95	5.31	4.54	1.95	2.02
05/08/2004	nd	nd	61.2	11.8	3.25	2.26	17.00	8.37	14.18	4.58
05/10/2004	.08	nd	26.7	15.8	1.51	2.24	8.28	9.41	6.64	6.98
05/13/2004	--	--	--	--	--	--	--	--	--	--
05/17/2004	nd	.13	22.6	52.4	2.61	3.05	12.20	15.24	12.09	10.68
05/21/2004	nd	--	36.4	--	.79	--	10.28	--	9.60	--
05/29/2004	nd	nd	142.9	7.1	2.18	5.33	77.19	10.17	26.58	3.73
Event date	Cadmium, total recoverable (µg/L)		Calcium, total recoverable (mg/L)		Copper, dissolved (µg/L)		Copper, total recoverable (µg/L)		Lead, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
06/10/2004	nd	nd	1.4	1.8	1.00	1.08	1.98	2.59	.72	.68
06/10/2004	nd	nd	3.5	3.5	3.37	4.05	2.68	6.76	1.15	.25
06/24/2004	.07	nd	1.3	.8	.66	.46	1.21	.89	.79	.01
07/09/2004	.08	--	2.7	--	1.76	--	3.61	--	2.07	--
07/16/2004	nd	nd	5.8	6.4	1.97	1.41	6.04	6.57	3.30	6.15
07/21/2004	nd	nd	1.6	1.1	1.07	.52	1.51	.90	nd	nd
07/29/2004	.17	nd	5.9	7.2	2.16	nd	4.23	8.30	1.99	3.89
08/03/2004	.14	nd	7.6	6.3	nd	nd	4.75	6.18	5.91	4.37
08/17/2004	nd	nd	2.0	1.4	nd	.43	1.74	2.63	1.11	1.20
08/18/2004	.06	.05	2.6	1.7	nd	nd	5.64	2.37	1.06	1.18
08/24/2004	.04	--	3.0	--	nd	--	1.67	--	.45	--
08/27/2004	nd	nd	6.6	.7	nd	.15	1.98	.69	.80	.62
09/01/2004	.06	--	6.0	--	nd	--	4.61	--	4.06	--
09/15/2004	nd	nd	5.4	2.8	1.33	.99	5.40	3.31	1.45	.88

Appendix table 1-9d. Constituent event mean loads measured at the control and high-frequency broom basin outlets during the treatment phase--Continued.

[<, less than; nd, no detect; --, no data]

Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L)		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
04/30/2003	5.72	1.41	0.50	0.13	0.14	0.05	8.37	2.93	59.98	15.72
04/30/2003	57.63	7.28	.97	.24	.12	.07	6.76	4.40	133.23	40.77
05/04/2003	6.63	.81	2.94	.09	nd	.03	5.25	3.73	80.87	12.19
05/10/2003	11.28	5.69	.55	.33	.07	.07	3.28	16.53	62.31	40.99
05/14/2003	2.24	.39	.32	.08	.11	.02	3.23	3.52	17.68	8.81
05/19/2003	56.46	310.87	.69	2.25	.10	.04	2.52	2.27	78.46	628.56
05/30/2003	13.08	17.04	.36	.30	.05	.04	1.28	1.49	40.79	43.64
07/15/2003	21.70	17.52	.69	.54	.11	.14	6.28	7.42	73.10	62.88
09/12/2003	2.16	7.04	.14	.15	.06	.04	2.36	2.27	12.58	25.22
05/08/2004	29.69	5.84	.48	.22	.05	.05	8.13	5.82	57.69	34.65
05/10/2004	13.16	7.37	.23	.27	.02	.07	3.12	5.87	28.13	38.47
05/13/2004	--	--	--	--	--	--	--	--	--	--
05/17/2004	11.58	25.01	.28	.47	.10	.12	3.26	4.01	47.30	59.66
05/21/2004	19.14	--	.27	--	.09	--	1.48	--	31.54	--
05/29/2004	71.79	2.52	.69	.30	.13	.13	4.25	9.13	66.67	43.81
Event date	Magnesium, total recoverable (mg/L)		Phosphorus, total recoverable (mg/L)		Orthophosphorus, dissolved (mg/L)		Zinc, dissolved (µg/L)		Zinc, total recoverable (µg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom	Control	Broom
06/10/2004	.56	.71	.12	.11	.07	.05	3.03	4.87	6.99	13.33
06/10/2004	1.16	1.15	.13	.12	.06	.06	3.15	9.50	10.02	15.04
06/24/2004	.48	.26	.04	.02	.02	.01	1.04	1.65	4.99	3.63
07/09/2004	1.34	--	.10	--	.03	--	3.34	--	13.99	--
07/16/2004	2.71	2.86	.21	.38	.08	.11	4.24	6.02	28.85	32.98
07/21/2004	.56	.37	.06	.06	.03	.04	4.09	2.78	4.86	5.56
07/29/2004	2.57	3.12	.30	.29	.10	.11	7.96	.85	21.55	37.84
08/03/2004	3.79	3.19	.22	.26	.05	.09	1.36	.96	24.79	26.90
08/17/2004	.87	.66	.11	.10	.05	.04	.45	.81	9.72	10.54
08/18/2004	1.17	.72	.10	.08	.04	.04	.92	.47	10.28	10.85
08/24/2004	1.49	--	.07	--	.04	--	.37	--	4.50	--
08/27/2004	3.49	.31	.07	.04	.01	.02	.09	.58	4.31	3.82
09/01/2004	2.99	--	.15	--	.07	--	1.35	--	18.17	--
09/15/2004	2.08	.99	.44	.28	.22	.18	1.74	2.67	19.94	15.7

Appendix table 1-9d. Constituent event mean loads measured at the control and high-frequency broom basin outlets during the treatment phase--Continued.

[<, less than; nd, no detect; --, no data]

Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L)		Dissolved solids, total (mg/L)		Suspended sediment, total (mg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom
04/30/2003	0.54	0.18	.34	0.12	45	14	215	48
04/30/2003	.49	.24	.45	.19	55	27	1,951	337
05/04/2003	.28	.13	.21	.12	63	22	204	30
05/10/2003	.41	.28	.29	.22	50	40	638	215
05/14/2003	.20	.06	.14	.08	50	14	58	5
05/19/2003	.47	.29	.40	.18	46	20	1,643	13,247
05/30/2003	.21	.19	.11	.09	20	12	477	1,008
07/15/2003	.63	.31	.62	.38	53	33	907	1,096
09/12/2003	.15	.15	.19	.16	20	15	--	495
05/08/2004	.49	.43	.29	.23	20	14	1,301	205
05/10/2004	.23	.41	.16	.29	19	13	589	306
05/13/2004	--	--	.04	.05	8	18	25	14
05/17/2004	.34	.35	.19	.24	27	39	564	1,179
05/21/2004	.21	--	.18	--	35	--	674	--
05/29/2004	.31	.28	.31	.35	63	71	3,104	117
Event date	Ammonia-nitrogen (mg/L)		Nitrate plus nitrite, dissolved (mg/L)		Dissolved solids, total (mg/L)		Suspended sediment, total (mg/L)
Event date	Control	Broom	Control	Broom	Control	Broom	Control	Broom
06/10/2004	.09	.07	.07	.08	16	17	25	35
06/10/2004	.16	.08	.20	.18	47	52	40	19
06/24/2004	.06	.03	.06	.05	17	11	14	6
07/09/2004	.10	--	.11	--	16	--	71	--
07/16/2004	.14	.04	.24	.18	27	25	129	166
07/21/2004	.07	.01	.13	.07	17	10	9	7
07/29/2004	.28	.09	.30	.20	35	29	164	173
08/03/2004	.10	.08	.20	.20	23	26	191	218
08/17/2004	.08	.05	.12	.09	7	7	42	40
08/18/2004	.08	.06	.09	.07	9	11	51	41
08/24/2004	.03	--	.08	--	15	--	23	--
08/27/2004	.02	.02	.04	.03	11	4	69	12
09/01/2004	.14	--	.17	--	22	--	107	--
09/15/2004	.03	.06	.13	.11	33	25	27	24

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