Table 4. Mercury content in surface water at Pocosin Lakes National Wildlife Refuge - Washington Co., NC.
( L. E. Hinesley and A. M. Wicker, 2002)
Sampling Date
Site1 07/26/95 10/25/95 12/19/95 04/18/96 07/10/96 10/02/96 12/12/96 05/07/97 07/15/97 09/16/97 12/09/97 03/11/98 06/29/98 09/29/98 12/09/98 04/13/99 06/30/99 12/07/99 04/06/00 06/28/00 09/27/00
Content (ng/liter)
S0 --- --- --- --- --- --- --- 8.0 --- 8.2 8.9 --- 7.8 11.5 8.3 8.4 8.3 6.8 7.9 8.4 8.7
S2 10 7.3 69 6.7 7.6 7.2 14 8.2 8.9 8.9 8.4 6.7 7.5 7.2 7.9 8.3 8.2 8.2 8.6 9.4 9.0
S4 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 7.2 6.7 10.0 6.1 8.6 --
S6 13 9.4 4e+02 7.0 10 4.1 30 7.5 8.9 8.3 8.4 7.5 7.7 6.8 7.9 7.6 6.9 8.0 7.3 9.0 10.5
S8 --- --- --- --- --- --- --- 8.4 12.0 8.0 8.7 7.3 8.1 9.3 7.8 8.0 6.0 6.4 6.9 10.0 9.0
S10 --- --- --- --- --- --- --- --- 8.6 8.0 7.9 8.0 7.5 --- 7.9 --- --- --- --- --- 10.7
S12 --- --- --- --- --- --- --- 8.0 7.5 8.1 7.8 7.1 8.0 6.5 7.1 6.5 11.7 6.0 6.1 8.6 9.4
S20 --- --- --- --- --- --- --- 5.2 --- --- --- 6.4 --- --- --- --- --- --- --- ---
Mean 11.5 8.4 255 6.9 9.1 5.7 22 7.5 9.2 8.3 8.4 7.1 7.8 8.3 7.8 7.7 8.0 7.6 7.2 9.0 9.5
1 Locaton: bounded by County Line Rd (south), Boerma Rd (west), and Clayton Rd (east). Asterisk indicates duplicate samples.
On most dates, values for sites 2 and 6 were averages for duplicate samples.

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