EPA 608 study material including (Core, type 1, 2 and 3) 100% Accurate.

a vacum pump should be connected correct answers as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will correct answers dramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three correct answers oxygen atoms one chlorine atom can destroy correct answers 100,000 ozone molecules CFC's do not dissolve in water and do not breakdown into other compounds that dissolve in water correct answers CFC's cannot be washed out of the lower atmosphere ODP correct answers ozone depletion potential azeotrope correct answers where the mixture behaves like a single chemical (new refrigerant) HFC's will not damage the ozone in the stratosphere correct answers ... in 1992 the united states ordered the stoppage of all CFC production and importation after correct answers 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 correct answers July 1, 1992 class 1 correct answers CFC class 2 correct answers HCFC it became illegal to vent substitutes for CFC and HCFC refridgerants on correct answers November 15, 1995 any device which contains and uses a class 1 or class 2 substance as a refridgerant and is used for household or commercial purpose. correct answers appliance self contained recovery equipment type correct answers Active system dependent recovery equipment type correct answers Passive only section 609 certified technicians may buy CFC-12 in containers smaller than 20 pounds correct answers ...