EPA 608 study material including (Core, type 1, 2 and 3) Exam Questions And Answers

EPA 608 study material including (Core, type 1, 2 and 3) Exam Questions And Answers a vacuum pump should be connected - as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will - dramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three - oxygen atoms one chlorine atom can destroy - 100,000 ozone molecules CFC's do not dissolve in water and do not breakdown into other compounds that dissolve in water - CFC's cannot be washed out of the lower atmosphere ODP - ozone depletion potential azeotrope - where the mixture behaves like a single chemical (new refrigerant) HFC's will not damage the ozone in the stratosphere - ... in 1992 the united states ordered the stoppage of all CFC production and importation after - December 31, 1995 according to the clean air act, no person installing, maintaining, repairing, or disposing of any appliance may knowingly vent or otherwise release into the environment and class 1 or class 2 substance after - July 1, 1992 class 1 - CFC