Proceedings - Teaching and Learning Centre - Simon Fraser ...

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Fraser River Action Plan 3rd Research Workshop Other Contaminants Measured in Suspended Sediments Resin Acids - total resin acids were up to 125 times greater downstream of Fraser River pulp mills than at the reference site Fatty Acids - total fatty acids were up to 4 times greater downstream of Fraser River pulp mills than at the reference site Pesticides - trace levels (< 0.5 ng/g) of alpha-hexachlorocyclohexane and hexachlorobenzene were detected at all Fraser River sites PCBs - PCB congeners were detected in similar concentrations (< 1 ng/g) at all Fraser River sites Summary of Results of Contaminants Measured in River Water - chlorophenolics and some resin and fatty acids were detected in higher concentrations downstream of pulp and paper mill relative to reference sites - considerably fewer contaminants were detected in river water than in suspended sediments, as a result of both the hydrophobic nature of some of the contaminants and the higher detection limits in water samples - none of the contaminants measured exceeded water quality guidelines or criteria for the protection of aquatic life Page 77
Fraser River Action Plan 3rd Research Workshop log Koc Comparison of Field and Published log Koc Values for PAHs measured in the Fraser River 8 7 6 5 4 3 2 1 0 Acenaphthene Fluorene 3. Phenanthrene Anthracene Page 78 Field log Koc Range of Published log Koc Values Fluoranthene Factors Influencing PAH Phase Partitioning 1. Molecular Mass 2. Sediment Organic Carbon Content 3. Suspended Sediment Concentration Pyrene Benz(a)anthracene Chrysene Benzofluoranthenes Dibenz(ah)anthracene Benzo(ghi)perylene
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PROCEEDINGS 3rd RESEARCH WORKSHOP F
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TABLE OF CONTENTS Participants ....
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Development of a Citizen’s Monito
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Fraser River Action Plan 3rd Resear
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SESSION 1 PULP MILL EFFLUENT ISSUES
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SESSION 4 AGRICULTURAL ISSUES
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SESSION 5 BIOLOGICAL INDICATORS
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SESSION 6 ESTUARY ISSUES
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Fraser River Action Plan The Use of
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Fraser River Action Plan Concluding
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