EPA 608 STUDY MATERIAL INCLUDING (CORE, TYPE 1, 2 AND 3)|2023/24 UPDATE|GRADED A+

a vacum 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