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NIOSH Pre-Publication Draft, Appendix A: Analytical Method P&CAM 239, Asbestos Fibers in Air (1977)

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A pre-publication draft of NIOSH Analytical Method P&CAM 239 (Appendix A), describing how to collect airborne asbestos fibers on membrane filters and count them by phase-contrast microscopy. It covers sampling, slide mounting, counting rules, calibration, calculations, precision and references. A handwritten note identifies it as from N. A. Leidel and dates it 6 Oct 77.

Author
N. A. Leidel (NIOSH; sender of the draft (handwritten 'from N. A. Leidel'))
Published by
National Institute for Occupational Safety and Health (NIOSH), U.S. Public Health Service
Series
Union Carbide documents, UC-2657
Date
October 6, 1977
Number
Bates UCC 005263 to UCC 005294
Library no.
ACL Doc 17605 · asbestosclaims.law/library/17605
Rights
A document from asbestos litigation, published for research and historical study.

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Read online Download the PDF Document UC-2657 · 32 pages · 1.4 MB

People and organizations

From N. A. Leidel (NIOSH; sender of the draft (handwritten 'from N. A. Leidel')).

Pages on our site about what this document covers: Amosite: Brown Asbestos and the US Navy · Chrysotile: White Asbestos, the Most Common Type · Johns-Manville · NIOSH · phase contrast microscopy (PCM).

About this copy

This is document UC-2657 of the Union Carbide documents, documents produced and used as evidence in asbestos lawsuits against Union Carbide, 32 pages. Production numbers UCC 005263 to UCC 005294.

Cite this document

N. A. Leidel (NIOSH, sender of the draft (handwritten 'from N. A. Leidel')). “NIOSH Pre-Publication Draft, Appendix A: Analytical Method P&CAM 239, Asbestos Fibers in Air.” October 6, 1977. Union Carbide documents, UC-2657, Bates UCC 005263 to UCC 005294. National Institute for Occupational Safety and Health (NIOSH), U.S. Public Health Service. AsbestosClaims.Law Library, ACL Doc 17605. https://asbestosclaims.law/library/17605.

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