17-02 toxins · 1/27/12 1 Herring gull eggs 124 ppm Smelt 1.04 ppm Lake trout 4.83 ppm Zooplankton...
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1/27/12 1 Herring gull eggs 124 ppm Smelt 1.04 ppm Lake trout 4.83 ppm Zooplankton 0.123 ppm Phytoplankton 0.025 ppm ConcentraAon of PCBs Not all of the 209 kinds of PCB have the same effects. Some have proper7es like dioxin (one of the world's most toxic man‐made compounds), some PCBs act like hormones, and other PCBs are nerve poisons. PCBs alter major systems in the body (immune, hormone, nervous, and enzyme systems); therefore, PCBs affect a wide variety of body organs and func7ons.
Transcript of 17-02 toxins · 1/27/12 1 Herring gull eggs 124 ppm Smelt 1.04 ppm Lake trout 4.83 ppm Zooplankton...
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Herringgulleggs124ppm
Smelt1.04ppm
Laketrout4.83ppm
Zooplankton0.123ppm Phytoplankton
0.025ppm
Concen
traA
onofP
CBs
Notallofthe209kindsofPCBhavethesameeffects.Somehaveproper7eslikedioxin(oneoftheworld'smosttoxicman‐madecompounds),somePCBsactlikehormones,andotherPCBsarenervepoisons.PCBsaltermajorsystemsinthebody(immune,hormone,nervous,andenzymesystems);therefore,PCBsaffectawidevarietyofbodyorgansandfunc7ons.
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Teratogens
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TwoSourcesofPollu7on
1) PointSource2) Non‐PointSource