EPA 608 study material including (Core, type 1, 2 and 3) questions with complete solutions

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