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

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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