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When was PCBs prohibited in Japan?

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+1 vote
in Hazardous Waste Management by (63.0k points)
When was PCBs prohibited in Japan?

(a) 1980

(b) 1978

(c) 1972

(d) 1983

This question was posed to me in an international level competition.

The query is from Landmark Episode in section Landmark Episode of Hazardous Waste Management

1 Answer

0 votes
by (424k points)
Right choice is (c) 1972

To elaborate: Because PCBs were disclosed to be toxic and accumulative in the environment and human, production and usage of PCBs were all prohibited in Japan in 1972.

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