Final answer:
Violation of the Clean Air Act, including the knowing release of refrigerant during the maintenance, service, repair, or disposal of appliances, can result in fines.
Step-by-step explanation:
Violation of the Clean Air Act, specifically the knowing release of refrigerant during the maintenance, service, repair, or disposal of appliances can result in fines. The Clean Air Act is a federal law in the United States that aims to protect and improve air quality. It regulates air emissions from various sources, including refrigerants used in appliances. Fines for violations can range from a few thousand dollars to millions of dollars, depending on the severity and extent of the violation.