Final answer:
Reclaimed refrigerant must be purified and tested to meet the national ambient air quality standards set by the Clean Air Act.
Step-by-step explanation:
Reclaimed refrigerant must be purified and tested to meet the national ambient air quality standards set by the Clean Air Act. The Clean Air Act requires the Environmental Protection Agency (EPA) to establish these standards to protect public health and the environment. These standards include both primary standards for public health protection and secondary standards for public welfare protection.