EPA 608 study material including (Core, type 1, 2 and 3)

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)

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