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This document is a letter from DuPont to the EPA summarizing the use and exposure of ammonium perfluorooctanoate (APFO) in their fluoropolymer manufacturing processes, emphasizing that DuPont does not manufacture APFO, that most of it is removed from products before sale, and that worker exposure levels are significantly below the ACGIH threshold limit value.
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2000 |
AR226-2556
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712gqmJ04rKjv00aLVeom5ya8 |
11 |