Pacific Southwest, Region 9
Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations
Dredging and Sediment Management
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SF Deep Ocean Disposal Site (SF-DODS) - Reference Area Database
Tissue Chemistry for Two Polychaete Species Exposed to SF-DODS Reference Area Sediments
PARAMETER | Results from Separate Bioassays | Overall Range | |||||
(Nereis) | (Nephtys) | (Nephtys) | (Nephtys) | (Nephtys) | (Nephtys) | (Nephtys only) | |
TRACE METALS (ppm ww) | |||||||
Arsenic | 2.0-2.3 | 2.7-2.9 | 3.3-3.9 | 2.7-3.1 | 2.9-4.9 | 1.4-2.4 | 1.4-4.9 |
Cadmium | 0.05-0.06 | 0.3 | 0.2-0.3 | 0.1 | 0.1-0.2 | 0.03-0.1 | 0.03-0.3 |
Chromium | 0.1-0.2 | 0.03-0.04 | 0.1-0.2 | 0.1 | 0.1-0.25 | 0.3-0.4 | 0.03-0.4 |
Copper | 1.3-1.7 | 1.8 | 0.8-1.9 | 1.0-1.7 | 1.7-2.2 | 1.7-2.2 | 0.8-2.2 |
Lead | 0.1 | 0.1 | 0.1 | 0.02-0.1 | 0.1 | 0.1-0.3 | 0.02-0.3 |
Mercury | 0.02-0.04 | 0.01-0.1 | 0.01 | 0.01-0.02 | 0.01 | 0.1 | 0.01-0.1 |
Nickel | 0.2-0.3 | 0.7 | 0.3-0.5 | 0.2-0.6 | 0.5-1.2 | 0.4-0.8 | 0.2-1.2 |
Selenium | 0.2-0.3 | 0.3 | 0.3-0.6 | 0.2-0.3 | 0.2-0.4 | 0.3-0.4 | 0.2-0.6 |
Silver | 0.03-0.08 | 0.01 | 0.01-0.02 | 0.01 | 0.01 | 0.1-0.2 | 0.01-0.2 |
Zinc | 10-34 | 27-29 | 29-34 | 22-26 | 28-33 | 12-30 | 10-34 |
ORGANICS (ppb ww) | |||||||
Total LPAH (a) | 4-11 | nd | 4-13 | 1-3 | 5-11.6 | nd | nd-13 |
Total HPAH (b) | 17-25 | nd | 2-3 | nd-1 | 4-9.5 | nd | nd-9.5 |
Total PAHs | >21-36 | >nd | >6-16 | >2-4 | >9-18 | nd | nd-18 |
Chlorinated Pesticides (ppb ww) | |||||||
Aldrin | nd | nd | nd | nd | nd | nd | nd |
Dieldrin | 0.72 | nd | nd | nd | nd | nd | nd |
Chlordane | nd | nd | nd | nd | nd | nd | nd |
DDE/DDD/DDT | nd | nd | 0.5-4.4 | nd | nd | nd | nd-4.4 |
Endosulfan I | nd | nd | nd | nd | nd | nd | nd |
Endosulfan II | nd | nd | nd | nd | nd | nd | nd |
Endosulfan Sulfate | nd | nd | nd | nd | nd | nd | nd |
Endrin | nd | nd | nd | nd | nd | nd | nd |
Heptachlor | nd | nd | nd | nd | nd | nd | nd |
Heptachlor Epoxide | nd | nd | nd | nd | nd | nd | nd |
Alpha- BHC | nd | nd | 0.1-1.9 | nd | nd | nd | nd-1.9 |
Beta-BHC | nd | nd | nd | nd | nd | nd | nd |
Delta-BHC | nd | nd | nd | nd | nd | nd | nd |
Gamma-BHC | nd | nd | nd | nd | nd | N/A | nd |
Toxaphene | nd | nd | nd | nd | nd | nd | nd |
Total PCB (ppb ww) (c) | nd | nd | nd | nd | nd | nd | nd |
Butyltins (ppb ww) (d) | 2.7 | nd-9.3 | 5.2-206 | nd | 30-40 | N/A | nd-206 |
NOTES:
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