01558cam a22003011  4500001001300000003000400013005001700017008004100034010001700075035002000092040004800112042001200160050002500172110004200197245023300239260005400472300005400526490006600580490002300646500014000669500013300809500012400942650002101066710004701087710003601134830006901170999001701239l  32000028 DLC20260227111533.0910924s1932    dcuaf        f000 0 eng c  al  32000028   a(OCoLC)24438467  aU.S. Dept. of Labor. LibrarycCLUdCLUdDLC  apremarc00aHD8051b.A62 no. 5622 aNational Fire Protection Association.10aSafety codes for the prevention of dust explosions.bNational Fire Protection Association and United States Department of Agriculture, Sponsors.cAmerican Standard, Approved by the American Standards Association. December, 1931.  aWashington, D.C.,bU.S. Govt. Print. Off.,c1932.  avii, 87 p. incl. illus., tables.bplates.c23 cm.1 aUnited States. Bureau of Labor Statistics. Bulletin,vno. 5620 aSafety code series  aAt head of title: United States Department of Labor. W.N. Doak, secretary. Bureau of Labor Statistics. Ethelbert Stewart, Commissioner.  aDavid J. Price, chairman, of Committee on Dust Explosion Hazards, U.S. Bureau of Chemistry and Soils, Department of Agriculture.  aA "Tentative American Standard" was issued in 1927 as Bulletin no. 433 of the United States Bureau of Labor Statistics. 0aDust explosions.1 aUnited States.bDepartment of Agriculture.2 aAmerican Standards Association. 0aBulletin of the United States Bureau of Labor Statistics ;v562.  c36047d36047