Rationale: This standard is required to facilitate service of contaminated mobile air-conditioning (MAC) R-134a and/or R-1234yf refrigerant systems. If the MAC system refrigerant has been contaminated such that the refrigerant in the MAC system cannot be on-site recycled and meet J2099 with equipment that meets SAE J2788, J2843 or J3030, then it should be recovered and sent for proper disposal. If a refrigerant identifier that meets J2912 or J2927 indicates that the refrigerant has been contaminated, it should be removed only with equipment that meets this standard and then disposed of by a qualified facility
Also known as: SAE J 2851
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