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Potential Effects of Contaminants on Fraser River Sockeye Salmon

Potential Effects of Contaminants on Fraser River Sockeye Salmon

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Appendix 1. Statement <str<strong>on</strong>g>of</str<strong>on</strong>g> Work - MacD<strong>on</strong>ald Envir<strong>on</strong>mental Sciences Ltd.SW1 Background1.1 The Commissi<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> Inquiry into the Decline <str<strong>on</strong>g>of</str<strong>on</strong>g> <strong>Sockeye</strong> Salm<strong>on</strong> in the <strong>Fraser</strong><strong>River</strong> (www.cohencommissi<strong>on</strong>.ca) was established to investigate and report <strong>on</strong>the reas<strong>on</strong>s for the decline and the l<strong>on</strong>g term prospects for <strong>Fraser</strong> <strong>River</strong>sockeye salm<strong>on</strong> stocks and to determine whether changes need to be made t<str<strong>on</strong>g>of</str<strong>on</strong>g>isheries management policies, practices and procedures.1.2 An inventory and evaluati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> the effects <str<strong>on</strong>g>of</str<strong>on</strong>g> c<strong>on</strong>taminants in the <strong>Fraser</strong> <strong>River</strong> isrequired to determine their importance <strong>on</strong> the ecology and survival <str<strong>on</strong>g>of</str<strong>on</strong>g> <strong>Fraser</strong>sockeye and to determine their role in the reducti<strong>on</strong>s in <strong>Fraser</strong> sockeyeabundance.SW2 Objective2.1 To prepare a technical report c<strong>on</strong>taining a c<strong>on</strong>taminant inventory and anevaluati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> the effects <str<strong>on</strong>g>of</str<strong>on</strong>g> c<strong>on</strong>taminants <strong>on</strong> <strong>Fraser</strong> <strong>River</strong> sockeye salm<strong>on</strong>.SW3 Scope <str<strong>on</strong>g>of</str<strong>on</strong>g> Work3.1 The C<strong>on</strong>tractor shall provide the services <str<strong>on</strong>g>of</str<strong>on</strong>g> D<strong>on</strong> D. Macd<strong>on</strong>ald, Jesse Sinclair,Meara Crawford, Heather Prencipe, Melissa Meneghetti, Mary Lou Haines andDebbie Pulak to perform the work.3.2 The C<strong>on</strong>tractor will prepare an inventory <str<strong>on</strong>g>of</str<strong>on</strong>g> aquatic c<strong>on</strong>taminants in the <strong>Fraser</strong><strong>River</strong> in relati<strong>on</strong> to the distributi<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> sockeye C<strong>on</strong>servati<strong>on</strong> Units. This willinclude an evaluati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> pulp mill effluent c<strong>on</strong>taminants, discharges fromsewage treatment plants, n<strong>on</strong>-point source c<strong>on</strong>taminants endocrine disruptorsand other c<strong>on</strong>taminants. It will also include sewage discharges from the lowermainland and other urban centres in the <strong>Fraser</strong> Watershed.3.3 The C<strong>on</strong>tractor will compare toxicology data for sockeye to <strong>Fraser</strong> <strong>River</strong> waterquality c<strong>on</strong>diti<strong>on</strong>s to evaluate lethal and sub-lethal impacts <str<strong>on</strong>g>of</str<strong>on</strong>g> aquaticc<strong>on</strong>taminants.3.4 The C<strong>on</strong>tractor will develop an overall assessment <str<strong>on</strong>g>of</str<strong>on</strong>g> for the suite <str<strong>on</strong>g>of</str<strong>on</strong>g>c<strong>on</strong>taminants and natural substances (e.g. suspended sediments) that areencountered by juvenile and adult sockeye salm<strong>on</strong>.3.5 The C<strong>on</strong>tractor will evaluate the extent to which reducti<strong>on</strong>s in <strong>Fraser</strong> sockeyeabundance are associated with c<strong>on</strong>taminant c<strong>on</strong>diti<strong>on</strong>s in the <strong>Fraser</strong> <strong>River</strong>.3.6 The C<strong>on</strong>tractor will reference reports prepared by Dr. Peter Ross, Inst. OfOcean Sciences, and the Siska First Nati<strong>on</strong> c<strong>on</strong>cerning c<strong>on</strong>taminantc<strong>on</strong>centrati<strong>on</strong>s in <strong>Fraser</strong> sockeye salm<strong>on</strong>.A-1

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