Cold war. EPA battles ozone depletion, tightens refrigerant regs.
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D000389:Air Conditioning / Q000331:legislation & jurisprudence / Q000592:standards*; D000397:Air Pollution / Q000331:legislation & jurisprudence / Q000517:prevention & control*; D005161:Facility Regulation and Control / Q000458:organization & administration*; D019983:Guideline Adherence / Q000592:standards; D006801:Humans; D008284:Maintenance and Engineering, Hospital / Q000331:legislation & jurisprudence*; D010126:Ozone; D012034:Refrigeration / Q000592:standards*; D014481:United States; D014484:United States Environmental Protection Agency / Q000331:legislation & jurisprudence
D010126:Ozone