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ACGIH is a 501(c)(3) charitable scientific organization that advances occupational and environmental health.
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This section has been established to help educate industry, government, and the public on what TLVs and BEIs are, and how TLVs and BEIs may best be used.
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HYDROGEN FLUORIDE
HYDROGEN FLUORIDE
CAS number: 7664-39-3
Synonyms: Antisal 2B; Etching acid; Fluorohydric acid; Fluoric acid; HF A; Hydrofluoric acid
Molecular formula: HF
TLV–TWA, 0.5 ppm, as F
TLV–Ceiling, 2 ppm, as F
Skin
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