10/24/2022 0 Comments Cal osha breathing zone![]() ![]() 57(f)(5)(i), which require that only respirators approved by NIOSH be used for abrasive blasting operations. ![]() You should also know that the definition of Type CE or “abrasive blasting respirators” was changed by OSHA in the Ventilation standards to remove the phrase “continuous flow air-line.” 63 Fed.
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