Respirator certification proposal unnecessary, costly, says ISEA.
Wilcher
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Industrial Safety Equipment Association, Arlington, Va.
D002568:Certification; D004867:Equipment Design / Q000191:economics; D004869:Equipment Safety; D009314:National Institute for Occupational Safety and Health, U.S.; D011482:Protective Devices / Q000592:standards*; D012134:Respiratory Protective Devices / Q000191:economics / Q000592:standards*; D012952:Societies; D014481:United States