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.

17-02 toxins · 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

Jul 29, 2020

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1/27/12

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.

1/27/12

Teratogens

1/27/12

TwoSourcesofPollu7on

1) PointSource2) Non‐PointSource