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NIOSH Manual of Analytical Methods

What's New - 5th Edition

Welcome to the 5th Edition of the NMAM. This new edition of the NMAM has incorporated a new method approval process. The new methods along with the backup data report and the independent laboratory user-check have gone through an extensive technical review. The approved methods will be posted as they become available.

New methods are listed by NIOSH Number and by Chemical Name.

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