A2Ls) but do need purple markings for A2 and A3 refrigerants which have greater flammability. They urged EPA to align with current benchmarks. Five commenters asked for that proposed red marking on pipes, hoses, together with other devices for A2L refrigerants be lessened or taken off.Changing the temperature throughout the number of 0°File to -fi

Revising the prevailing use conditions for R-290 for use in new self-contained commercial ice machines;R-290 has an ASHRAE toxicity classification of the (lower toxicity). Probable well being outcomes of publicity to this refrigerant include drowsiness or dizziness. The refrigerant may additionally irritate the pores and skin or eyes or result in f