+1 vote
in Hazardous Waste Management by (63.0k points)
What is the hazardous pollutant released from electron tubes?

(a) Arsenic

(b) Barium

(c) Cobalt

(d) Cadmium

The question was posed to me in unit test.

The question is from E-waste in section Regulation of E-waste, Groundwater Contamination & Injection Well Disposal of Hazardous Waste Management

1 Answer

0 votes
by (424k points)
Right choice is (b) Barium

Easy explanation: Electron tubes, filler for plastic and rubber, lubricant additives releases barium into the environment.

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