Appendix B. Total mercury (TotHg) and methylmercury (MeHg) in unfiltered and filtered water from North Wetland sites from April 1997 to September 1998.
TABLE B1. Total mercury (TotHg) and methylmercury (MeHg) in unfiltered and filtered water from North Wetland sites from April 1997 to September 1998. See Fig. 2 for sampling locations.
| WATER (Unfiltered) | Total Hg (ng/L pptr) |
Methyl Hg (ng/L pptr) |
|||||||||||
NW-1A |
NW-1B |
NW-2 |
NW-3A |
NW-3B |
NW-4 |
NW-1A |
NW-1B |
NW-2 |
NW-3A |
NW-3B |
NW-4 |
||
Apr-97 |
4.72 |
4.25 |
1.2 |
4.98 |
2.3 |
0.27 |
0.27 |
2.57 |
0.36 |
2.72 |
|||
May-97 |
31.2 |
19.9 |
66.7 |
4.47 |
35.5 |
6.16 |
1.48 |
25.60 |
0.36 |
7.90 |
|||
Jun-97 |
|||||||||||||
Jul-97 |
|||||||||||||
Aug-97 |
|||||||||||||
Sep-97 |
827 |
9.92 |
|||||||||||
Oct-97 |
|||||||||||||
Nov-97 |
|||||||||||||
Dec-97 |
108 |
27.5 |
103 |
28.1 |
104 |
0.88 |
0.74 |
1.24 |
0.17 |
1.51 |
|||
Jan-98 |
|||||||||||||
Feb-98 |
|||||||||||||
Mar-98 |
|||||||||||||
Apr-98 |
381 |
91.4 |
20 |
8.74 |
21.8 |
0.82 |
0.50 |
3.04 |
1.39 |
4.46 |
|||
May-98 |
|||||||||||||
Jun-98 |
|||||||||||||
Jul-98 |
19.1 |
26.8 |
22.2 |
30.1 |
51.7 |
0.17 |
11.10 |
6.13 |
4.73 |
11.00 |
|||
Aug-98 |
|||||||||||||
Sep-98 |
72.5 |
676 |
0.88 |
3.25 |
|||||||||
| WATER (Filtered) | Total Hg (ng/L pptr) |
Methyl Hg (ng/L pptr) |
|||||||||||
NW-1A |
NW-1B |
NW-2 |
NW-3A |
NW-3B |
NW-4 |
NW-1A |
NW-1B |
NW-2 |
NW-3A |
NW-3B |
NW-4 |
||
Apr-97 |
2.23 |
2.13 |
8.62 |
2.65 |
6.86 |
0.10 |
0.10 |
1.66 |
0.28 |
1.596 |
|||
May-97 |
10.40 |
4.93 |
18.30 |
1.36 |
11 |
4.52 |
1.19 |
5.15 |
0.03 |
3.38 |
|||
Jun-97 |
|||||||||||||
Jul-97 |
|||||||||||||
Aug-97 |
|||||||||||||
Sep-97 |
10.3 |
0.478 |
|||||||||||
Oct-97 |
|||||||||||||
Nov-97 |
|||||||||||||
Dec-97 |
40.70 |
24.10 |
52.30 |
4.39 |
22.1 |
0.94 |
0.59 |
1.05 |
0.11 |
0.89 |
|||
Jan-98 |
|||||||||||||
Feb-98 |
|||||||||||||
Mar-98 |
|||||||||||||
Apr-98 |
4.77 |
3.52 |
7.94 |
2.23 |
10.7 |
0.23 |
0.13 |
1.44 |
0.32 |
2.5 |
|||
May-98 |
|||||||||||||
Jun-98 |
|||||||||||||
Jul-98 |
4.99 |
13.50 |
7.04 |
6.19 |
13.3 |
0.02 |
5.05 |
2.83 |
2.67 |
5.37 |
|||
Aug-98 |
|||||||||||||
Sep-98 |
1.46 |
6.06 |
0.33 |
0.0623 |
|||||||||