Water-Quality Assessment of the Sacramento River
Basin, California: Water-Quality, Sediment and Tissue
Chemistry, and Biological Data, 1995-1998
(Open-File Report 2000-391)

Sacramento Slough near Knights Landing, California

Methylmercury in unfiltered water

Number of significant figures do not reflect analytical method reporting levels.

[nanogram/L - nanogram per liter]

Date	Time	Methylmercury in unfiltered water (ng/L)
2/12/96	1230	0.141
3/11/96	1300	0.085
4/22/96	1100
5/23/96	1030	0.057
6/13/96	1030	0.282
7/22/96	1050	0.140
8/26/96	1100	0.110
9/10/96	1100	0.087
10/17/96	1000	0.060
11/7/96	0930	0.659
12/5/96	1100	1.180
1/1/97
2/1/97
3/6/97	1130	0.555
4/29/97	1040	0.498
5/14/97	1030	0.343
6/19/97	1200	0.170
7/24/97	1030	0.096
8/13/97	1030	0.079
9/24/97	1430	0.152
10/29/97	1000	0.178
11/25/97	1000	0.228
12/16/97	1030
1/28/98	1100	0.092
2/25/98	1100	0.145
3/25/98	1120	0.154
4/22/98	1000	0.402