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Refrigerant contamination

In its "White Paper: Reports of R134a Contaminated with R40 and Other Refrigerants”, AHRI suggests that in addition to R40 and R22, R142b, R152a, and R12 have also been found mixed with R134a in newly filled refrigerant cylinders marked as containing R134a.
In its "White Paper: Reports of R134a Contaminated with R40 and Other Refrigerants”, AHRI  suggests that  in addition to R40 and R22, R142b, R152a, and R12 have also been found mixed with R134a in newly filled refrigerant cylinders marked as containing R134a.

AHRI maintains that the proble...

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