11.07.2015 Views

Potential Effects of Contaminants on Fraser River Sockeye Salmon

Potential Effects of Contaminants on Fraser River Sockeye Salmon

Potential Effects of Contaminants on Fraser River Sockeye Salmon

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Table 4.51. Evaluati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> potential hazards posed to sockeye salm<strong>on</strong> exposed to sediments within various areas <str<strong>on</strong>g>of</str<strong>on</strong>g> interest in the <strong>Fraser</strong> <strong>River</strong> Basin(maximum hazard quotients were reported for each chemical <str<strong>on</strong>g>of</str<strong>on</strong>g> potential c<strong>on</strong>cern).Chemical <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>Potential</str<strong>on</strong>g> C<strong>on</strong>cernMaximum Hazard QuotientLower <strong>Fraser</strong> <strong>River</strong> Harris<strong>on</strong>/Lillooet <strong>River</strong> Lower Thomps<strong>on</strong> <strong>River</strong> South Thomps<strong>on</strong> <strong>River</strong>Pre-1990 Post-1990 Pre-1990 Post-1990 Pre-1990 Post-1990 Pre-1990 Post-1990Metals (mg/kg)Arsenic 0.82 1.02 ND ND ND ND ND NDCadmium 0.32 2.02 ND ND ND ND ND NDChromium 1.25 1.42 0.60 ND ND ND 0.94 NDCopper 1.40 1.65 1.99 ND ND ND 1.30 NDIr<strong>on</strong> 1.75 2.21 1.54 ND ND ND 1.80 NDLead 0.84 1.03 0.87 ND ND ND 0.14 NDMercury 0.50 0.43 0.14 ND 0.33 ND 0.39 NDNickel 2.43 2.51 1.01 ND ND ND 2.69 NDSelenium ND 0.30 ND ND ND ND ND NDSilver ND 0.44 ND ND ND ND ND NDZinc 0.88 0.98 0.81 ND ND ND 0.90 NDPesticides (mg/kg)Aldrin 0.25 0.38 ND ND ND ND ND NDChlordane (total) 0.31 0.15 ND ND ND ND ND NDDieldrin 0.26 0.13 ND ND ND ND ND NDEndosulfan A 0.17 0.09 ND ND ND ND ND NDEndosulfan B 0.04 0.02 ND ND ND ND ND NDEndrin 0.11 0.11 ND ND ND ND ND NDHeptachlor epoxide ND 0.10 ND ND ND ND ND NDLindane 0.21 0.11 ND ND ND ND ND NDMethoxychlor 0.13 0.13 ND ND ND ND ND NDSum DDD 0.10 0.10 ND ND ND ND ND NDSum DDE 0.16 0.16 ND ND ND ND ND NDSum DDT 0.72 0.14 ND ND ND ND ND NDT-204

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!