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This document may not reflect OSHA's respirable silica rule published on March 25, 2016.
For more information on the new rule, see OSHA's Final Rule on Respirable Crystalline Silica Page.

Quartz And Cristobalite In Workplace Atmospheres

OSHA Method ID-142 | 1981, Revised October 2015
Quartz And Cristobalite In Workplace Atmospheres*

DISCLAIMER: These procedures were designed and tested for internal use by OSHA personnel. Mention of any company name or commercial product does not constitute endorsement by OSHA.

collage image - OSHA Salt Lake Technical Center

*Accessibility Assistance: Contact OSHA's Salt Lake Technical Center at (801) 233-4900 for assistance accessing the PDF or for assistance with accessibility problems in using figures and illustrations presented in this document.

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