Technical Manual, Sec. 10, Ch. 1: Metric System Conversion

Time-weighted averages (TWA), permissible exposure limits (PEL), and sampling and reporting forms all make use of the metric system. For example, the industrial hygiene Air Sampling Report, OSHA-91(S) (Rev. 1/84) requires data as metric measures and weights. Also examine OSHA reference Table Z-1-A (29 CFR 1910 Subpart Z). II. The Metric System ................
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