"EPA is performing random inspections, responding to tips, and pursuing potential cases against violators. Under the Act, EPA is authorized to assess fines of up to $37,500 per day for any violation of these regulations. Information on selected enforcement actions is available in the enforcement section.
If you suspect or witness unlawful releases of refrigerant or other violations of the Clean Air Act regulations, you can file a report easily and anonymously by visiting EPA's Office of Enforcement and Compliance Assurance website."
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#2) Can I vent HFC-134a refrigerant?
It is illegal under Section 608 of the Clean Air Act to knowingly vent substitute refrigerants during any service, maintenance, repair or disposal of an appliance.
-EPA.gov