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ASTM F3502-21: An In-Depth Look at the Barrier Face Covering Standard
Barrier Face Coverings1
ASTM F3502-21 - Standard Specification for Barrier Face Coverings
ASTM F3502-21 - Standard Specification for Barrier Face Coverings
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ASTM International on X: "DYK U.S. @CDCgov curates a growing list of Barrier Face Covering products that meet ASTM Standard F3502-21? #facecoverings [photo shown is of #masks ordered by ASTM that meet the standard]. For a list from #CDC, see ...
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