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HVAC
HVAC Excellence Employment Ready Certification
EPA Regulations - Section 608, Refrigerant Handling & Compliance
Knowledge Check
EPA Regulations - Section 608, Refrigerant Handling & Compliance
Knowledge Check
Knowledge Check
1 / 15
Why can R-22 no longer be manufactured or imported in the United States?
A
Production and import were permanently banned effective January 1, 2020, under the Clean Air Act ozone protection phaseout
B
R-22 was found to be toxic at residential concentrations
C
R-22 cylinders do not meet current DOT transportation safety standards
D
R-22 has a higher global warming potential than R-410A and was banned under the AIM Act
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