National Fire Protection Association and United States Department of Agriculture, Sponsors National Fire Protection Association creator United States Department of Agriculture. American Standards Association text dcu Washington, D.C U.S. Govt. Print. Off. 1932 monographic eng

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vii, 87 p. incl. illus., tables. plates. 23 cm. American Standard, Approved by the American Standards Association. December, 1931. At head of title: United States Department of Labor. W.N. Doak, secretary. Bureau of Labor Statistics. Ethelbert Stewart, Commissioner. David J. Price, chairman, of Committee on Dust Explosion Hazards, U.S. Bureau of Chemistry and Soils, Department of Agriculture. A "Tentative American Standard" was issued in 1927 as Bulletin no. 433 of the United States Bureau of Labor Statistics. Dust explosions HD8051 .A62 no. 562 l 32000028 U.S. Dept. of Labor. Library 910924 20260227111533.0 l 32000028