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Notice to Readers Fourth Supplement to NIOSH Manual of Analytical Methods, Third Edition

CDC's National Institute for Occupational Safety and Health (NIOSH) has issued the fourth supplement (dated August 15, 1990) to the NIOSH Manual of Analytical Methods (NMAM), third edition. The supplement contains 51 sampling and analytical methods; it includes reprints of 43 second-edition methods, each with a first-page update sheet attached, and eight third-edition methods that are either new or revised. The supplement also contains revisions of analytical procedures for fluoride and hydrogen cyanide, as well as new sampling and analytical methods for several important air contaminants including 4,4'-methylenedianiline, bromine, chlorine, aspartame (1-methyl N-L-alpha-aspartyl-L-phenylalanine), methyl tert-butyl ether, and lead. The supplement includes a cross-index to the seven-volume second edition of the NMAM.

The supplement will be automatically mailed to persons who have previously purchased the NMAM, third edition. For other persons, copies of the NMAM, third edition, and all supplements are available from the U.S. Government Printing Office, Washington, DC 20402; telephone (202) 783-3238. Subscription service consists of a basic manual, Volumes 1 and 2, and four supplements (first supplement, 1985; the second, 1987; the third, 1989; and the fourth, 1990). Subscription price: domestic--$47.00; foreign--$58.75. Reported by: Div of Physical Sciences and Engineering, National Institute for Occupational Safety and Health, CDC.

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