Polychlorinated Biphenyls (PCBs) Brief Introduction - The ...

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PCB Batch Production

HCl

gas

2 3

HCl acid

Cl 2

H 2

O

4

water vapor

H 2

O

1

water vapor

(1) chlorinator (2) sublimate (3) absorber (4) tank for hydrochloric acid

Iza Korwel

Health Effects of Exposure to Methyl Mercury - The Environmental ...

PCBs Production •PCBs were commercially produced in the US from the 1920’s until the 1970’s. •Worldwide, about 2 million tons, but that number may increase. •PCBs are considered food chain contaminants – body burdens increase with age.

PCB Batch Production HCl gas 2 3 HCl acid Cl 2 H 2 O 4 water vapor H 2 O 1 water vapor (1) chlorinator (2) sublimate (3) absorber (4) tank for hydrochloric acid Iza Korwel

Page 1 and 2: Polychlorinated Biphenyls (PCBs) Br
Page 3 and 4: Dirty Dozen Structures (1): Cyclodi
Page 5: F 3 C F 2 C F 2 C C F 2 F 2 C C F 2
Page 8 and 9: Terminology • Bioconcentration -
Page 12 and 13: Biphenyl 3 2 2' 3' 4 4' 5 6 6' 5'
Page 14 and 15: PCBs in Transformers http://www.tdh
Page 16 and 17: PCBs in Two Groups: Higher Chlorina
Page 18 and 19: Physical Properties Physical Chemic
Page 20 and 21: Levels of PCBs and PBDEs

Polychlorinated Biphenyls (PCBs) Brief Introduction - The ...

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