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EPA vocabulary

Across
Removal of refrigerant to be put back into the same unit
The term for the warming of the earth
Gas, slightly bluish in color
Safe refrigerant, but can be deadly
5 pounds or less
To check pressures, remove / pumpdown systems
R 410a is this
R - 22 is this
Not the protective field
Greater than 5 pounds refrigerant, high pressure systems
Known as PSI
The -C- on many refrigerants
Down
The most dangerous part to the environment
When O 3 depletes
Harmful to everything
Calls for the phase out of CFC/HCFC refrigerants
The -H- in most refrigerants
When you pass all EPA parts
An upper level to the atmosphere
Low pressure systems
A level of the atmosphere, a protective field
Used to remove non condensibles
Most harmful refrigerant
In toothpaste and refrigerants
Entry level certification