37-1389. Substitute refrigerants; approval by administrator A person shall not use, sell or offer to sell a product intended for use as a refrigerant for any motor vehicle, residential, commercial or industrial air conditioning system, refrigerator or other cooling or heating device unless it has been approved for use by the administrator of the United States environmental protection agency or it meets one of the following standards relating to flammability: 1. SAE J639. 2. SAE J1657. 3. ASHRAE standard 34-1992. 4. UL2182. 5. ASTM E681-85.
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