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
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