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Pacific Southwest, Region 9

Serving: Arizona, California, Hawaii, Nevada, Pacific Islands, Tribal Nations

SF Deep Ocean Disposal Site (SF-DODS)

SF-DODS Quick Finder
Dredging & Sediment Home SF-DODS Overview Table 1 Table 4 Regional Teams & Partners Vessel route to SF-DODS Table 2 Disposal Sites Reference Area Database Table 3

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:
  1. Reported as total of 6 LPAHs:   naphthalene, acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene
  2. Reported as total of 9 HPAHs:   fluoranthene, pyrene, benzo(a)anthracene, chrysene, Benzo(b,k)fluoranthene, benzo(a)pyrene, dibenzo(a,h)anthracene, benzo(g,h,i)perylene, indeno(1,2,3-c,d)pyrene
  3. Reported as total of Aroclor equivalents 1242, 1248, 1254, and 1260
  4. Reported as total of Mono-, Di-, and Tri- and Tetrabutyltin

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