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•PCBs and DDT and me tabolites trends in oysters collected at Mountain Point Bar, Hackett Point Bay, Hog Point and Dandy Point
Concentration (ng/g dry wt.)
Mountain Pt. Bar 500 400 Hackett Pt. Hog Point Dandy Point
P •CBs
300 200 100
Concentration (ng/g dry wt.)
0
86 88 90 92 94 86 88 90 92 94 86 88 90 92 94 86 88 90 92 94
140 120 100 80 60 40 20 0
86 88 90 92 94 86 88 90 92 94 86 88 90 92 94 86 88 90 92 94
D •DTs
Year
Mountain Point Bar (CBMP) Hackett Point Bay (CBHP)
Hog Point (CBHG)
Dandy Point (CBDP)
•PCBs and DDT and metabolites trends in oysters collected at Mountain Point Bar, Hackett Point Bay, Hog Point and Dandy Point. Dotted blue line is NS&T median and dashed red line is NS&T nationwide 85th percentile (ng/g dry wt.).
Total Measured PCBs (27 congeners)
1-10 ug/Kg 10-20 ug/Kg 20-50 ug/Kg >50 ug/Kg
Total Measured DDT, DDE,DDD
0.1-1.5 ug/Kg 1.5-10 ug/Kg 10-20 ug/Kg >20 ug/Kg
>200 ug/Kg