"Table 5. Field parameters for water sample sites and concentrations of major anions, mercury, and methylmercury in waters"																		

Field site	Sample	Date	pH	Temperature	Conductivity	Turbidity	Dissolved	Redox	Alkalinity	Total Hg	Total Hg	Methyl Hg	Methyl Hg	Chloride (Cl)	Fluoride (F)	Sulfate (SO4)	Nitrate (NO3)	Total organic
			pH units	°C	µS	NTU	"oxygen, mg/L"	"potential, mV"	"mg/L, as CaCO3"	ng/L	ng/L	ng/L	ng/L	mg/L	mg/L	mg/L	mg/L	"carbon (TOC), mg/L"
			(in situ)	(in situ)	(in situ)	(in situ)	(percent)		Filtered	Unfiltered	Filtered	Unfiltered	Filtered	Filtered	Filtered	Filtered	Filtered	Unfiltered
																		
CC1	21CC01	8/27/2001	8.18	35.3	129.4	—	—	—	64	2.95	0.85	0.087	0.033	1.7	0.09	1.8	<0.08	—
																		
CC2	21CC02	8/27/2001	6.93	31.9	206	—	—	—	73	7.79	0.92	0.454	0.107	13	1.1	13	<0.08	—
	22CC02	6/5/2002	6.67	25.0	223	—	0.83 (10.1)	285	86	4.71	1.99	2.24	1.50	14	0.2	2.2	<.08	2.7
	23CC02	7/29/2003	7.27	29.2	270	—	6.51(83.7)	309	87	3.02	1.00	0.91	0.333	22	0.1	4.2	<.08	3.1
																		
CC3	21CC03	8/28/2001	6.62	24.0	145.5	—	—	—	67	3.54	0.81	0.235	0.039	5.1	0.2	<1.6	<0.08	—
																		
CC7	21CC07	8/28/2001	6.65	23.8	220	—	—	—	83	9.98	3.96	4.730	2.280	8.8	0.2	3.5	<0.08	—
																		
CC10	21CC10	8/28/2001	6.92	20.3	1320	—	—	—	97	50.7	2.94	0.061	0.042	260	0.7	24	0.9	—					
	22CC10	6/5/2002	6.76	16.9	2180	—	5.79 (61.3)	363	78	9.70	5.93	0.158	—	630	<.4	31	3.7	1.8					
	23CC10	1/29/2003	7.51	11.0	261		9.51 (92.0)	349	41.8	12.6	10.5	—	—	38	0.09	15	<.08	—					
																							
CC11	21CC11	8/28/2001	7.27	21.2	104.3	—	—	—	39	3.75	0.69	0.037	0.038	4.3	0.1	1.9	<0.08	—					
	22CC11	6/5/2002	7.50	16.9	79	—	9.60 (100.0)	329	32	1.27	0.62	0.033	—	3.2	0.1	3.4	<.08	2.6					
	23ACC11	1/27/2003	7.77	10.1	78.8	2.2	—	—	28.0	2.87	1.86	—	—	4.4	<.08	3.3	<.08	—					
	23BCC11	1/28/2003	7.39	9.4	68.0	22	12.26 (107.2)	—	27.9	11.8	1.45	—	—	2.2	<.08	3.2	0.1	—					
	23CCC11	7/29/2003	7.77	20.9	85	—	8.70(96.5)	367	35.9	1.84	0.86	0.028	—	3.2	<.08	2.2	<.08	1.1					
																							
CC12	21CC12	8/29/2001	5.57	24.7	36300	—	—	—	*	10.4	2.97	6.72	0.902	13000	<0.08	2.8	<0.08	—					
	22CC12	6/4/2002	4.67	24.8	10420	—	4.69 (59.6)	452	**	21.0	2.16	9.39	0.159	3600	<2.0	<40	<2.0	3.1					
	23CC12	7/28/2003	5.12	27.8	13935	—	6.12(81.6)	463	0	17.1	1.74	8.83	0.102	4900	<2.0	<40	11	5.1					
																							
CC18	21CC18	8/29/2001	7.33	18.3	69.2	—	—	—	40	1.55	0.55	0.027	0.018	5.1	0.2	<1.6	<0.08	—					
	22CC18	6/5/2002	7.61	15.3	73	—	9.50 (98.0)	330	32	1.60	0.43	0.042	—	1.2	<.08	3.3	<.08	3.1					
	23ACC18	1/27/2003	7.73	9.7	66.8	2.2	—	—	28.4	2.44	1.29	—	—	2.2	<.08	3.6	0.1	—
	23B1CC18	1/27/2003	7.51	9.4	65.1	29.2	—	—	27.1	8.10	1.13	—	—	1.6	<.08	3.3	0.1	—
	23B2CC18	1/28/2003	7.32	9.0	63.0	8.6	12.08 (104.0)	—	28.8	2.89	1.21	—	—	1.4	<.08	3.1	0.1	—
	23CCC18	7/29/2003	7.52	13.6	77	—	9.12(89.3)	386	35.9	0.92	0.40	<0.025	—	1.5	<.08	2.1	<.08	1.7
																		
CC27	22CC27	6/4/2002	7.36	34.4	75640	—	4.75 63.4)	296	14	13.5***	9.12	<0.02	—	32000	<10	<200	<10	2.7
	23CC27	7/28/2003	6.52	40.1	109040	—	0.79(18.5)	228	28.3	49.9	6.75	<0.025	—	45000	<20	<400	<45	16
																		
CC28	22CC28	6/4/2002	8.62	18.1	70000	—	0.50 (7.1)	18	57	2.66	0.23	0.025	—	29000	<10	<200	<10	—
																		
CC29	22CC29	6/4/2002	8.00	15.2	75	—	9.4 (95.0)	329	32	1.29	0.69	0.044	—	2.5	<.08	3.5	<.08	1.3
	23ACC29	1/27/2003	7.92	9.9	70.3	2.1	—	—	28.5	2.95	1.27	—	—	2.3	<.08	3.4	0.1	—
	23BCC29	1/28/2003	7.29	9.2	66.0	8.2	11.87 (103.3)	—	28.1	2.95	1.18	—	—	1.7	<.08	3.1	0.1	—
	23CCC29	7/28/2003	8.42	17.7	78	—	10.45(108.7)	314	35.6	0.68	0.43	<0.025	—	2.4	<.08	2.1	<.08	1.1
																		
CC30	22CC30	6/5/2002	7.56	17.1	83	—	9.7 (102.2)	335	33	1.60	0.65	0.050	—	3.8	<.08	3.5	<.08	1.7
	23ACC30	1/27/2003	7.65	10.5	85.9	3.6	—	—	29.7	3.05	1.73	—	—	5.1	<.08	5	<.08	—					
	23BCC30	1/28/2003	7.33	9.8	70.2	35.4	11.91 (105.0)	—	28.3	9.32	1.62	—	—	2.8	<.08	3.7	0.1	—					
	23CCC30	7/29/2003	7.95	22.5	91	—	7.90(88.2)	356	37.0	1.6	0.75	0.055	—	3.7	<.08	2.3	<.08	1					
																							
CC31	23CC31	1/29/2003	7.42	11.8	253		9.11 (89.9)	363	42.3	14.0	9.92	—	—	36	0.1	15	<.08	—					
																							
CC32	23CC32	1/29/2003	7.42	10.5	157	1.8	5.88 (56.8)	351	45.5	27.8	15.9	—	—	5.9	0.09	13	<.08	—					
																							
CC33	23CC33	1/29/2003	7.08	12.3	179	0.9	7.61 (75.6)	364	63.2	4.50	2.90	—	—	1.9	0.1	19	0.3	—					
																							
CC34	23CC34	1/29/2003	6.31	11.7	116	2.1	5.07 (50.0)	373	13.3	11.5	7.86	—	—	6.3	<.08	17	0.4	—					
																							
CC35	23CC35	7/28/2003	6.30	24.8	14720	—	3.04(37.3)	246	18.6	40.5	25.5	4.32	1.49	4800	<2.0	<40	11	6.3					
																							
CC36	23CC36	7/28/2003	8.04	24.1	82	—	7.90(93.5)	327	35.2	1.69	0.84	0.066	—	3.5	<.08	2.2	<.08	1.1					

																		
	*Not determined; pH of subsample measured in laboratory was 4.17																	
	**Not determined; pH of subsample measured in laboratory was 4.30																	
	***Value is an estimate based on a reported value of 2.87 ng/L adjusted for a low average matrix spike recovery of 21.2%.