Chart updates gas concentration limits

An updated wall chart, "OSHA Concentration Limits for Gases and Instrument Selection Guide," gives information on time weighted average (TWA), short-term exposure limit (STEL), and Ceiling set forth by 29 CFR 1910, January 1, 1998.
By Staff May 1, 1999

An updated wall chart, “OSHA Concentration Limits for Gases and Instrument Selection Guide,” gives information on time weighted average (TWA), short-term exposure limit (STEL), and Ceiling set forth by 29 CFR 1910, January 1, 1998. The free chart helps selects instrumentation for detecting gases and vapors.

Foxboro Environmental

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