| http://www.w3.org/ns/prov#value | - The waste gas to be incinerated here is emitted during the production of a refrigerant that will soon be banned in the United States and other industrial nations because it depletes the ozone layer that protects the earth from ultraviolet rays.Handsome payments to clean up the waste gas have helped chemical companies to expand existing factories that make the old refrigerant and even build new fac
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