Table 1.
Dissolved (ng/L) and particulate (ng/g DW) Hg concentrations and ancillary surface water measurements from a single sample per site.
| dissolved (ng/L) | particulate (ng/g DW) | ancillary | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||
| MeHg (% of total) | THg | MeHg (% of total) | THg | TSS (mg/L) | salinity | DOC (mg/L) | Chla (ug/L) | nitrate (ug/L) | pH | DO (mg/L) | |
| PT | 0.010 (5.0) | 0.2 | 0.315* (0.20) | 155 | 7.0 | 0.12 | 5.57 | 7.1 | 4.7 | ||
| TB | 0.006* (2.1) | 0.29 | 0.573* (0.25) | 232 | 6.3 | 0.06 | 2.76 | 7.23 | 717 | 6.9 | 6.8 |
| GC | 0.114 (22.4) | 0.51 | 0.313 (0.54) | 58.4 | 32.7 | 0.6 | 2.55 | 10.6 | 807 | 7.6 | 7.0 |
| LM | 0.092 (17.7) | 0.52 | 2.75 (0.75) | 366 | 14.0 | 2.5 | 2.89 | 15.8 | 647 | 7.6 | 7.1 |
| SL | 0.044 (9.4) | 0.47 | 1.03 (0.78) | 132 | 28.4 | 2.5 | 2.92 | 17.1 | 815 | 7.7 | 7.2 |
| PL | 0.006* (0.9) | 0.69 | 0.697 (0.55) | 126 | 30.5 | 1.5 | 2.90 | 27.8 | 494 | 7.7 | 7.8 |
| BW | 0.056 (10.0) | 0.56 | 0.954 (0.85) | 113 | 26.9 | 5.3 | 3.07 | 18.6 | 365 | 7.7 | 7.1 |
| SB | 0.024 (4.1) | 0.59 | 0.551 (1.52) | 36.2 | 114 | 16.8 | 4.34 | 14.8 | 670 | 6.9 | 6.3 |
| FS | 0.076 (17.0) | 0.45 | 1.62 (2.24) | 72.4 | 72.2 | 19.3 | 3.60 | 71.0 | 612 | 7.6 | 7.2 |
| NB | 0.013 (1.4) | 0.92 | 1.89 (1.99) | 95.0 | 106 | 20.8 | 6.08 | 74.4 | 1113 | 7.8 | 7.9 |
*
indicates below detection limit
PT=Penn Treaty, TB= Timber Blvd., GC= Gen Chem, LM=Luken's Marsh, SL=South of Lukens, PL=Pennsville Landfill, BW=Buttonwood, SB=Sea Breeze, FS=Fortescue, and NB=North Beach. MeHg concentrations are presented graphically in the supporting information Figure S1.