01243cam a22002891 4500001001300000003000400013005001700017008004100034010001700075035002000092040001900112042001200131050001900143100002800162245008200190260004800272300002800320490007100348500014100419500013100560500005100691650003400742650003900776710005100815810007000866999001700936l 39000111 DLC20260227111537.0920925s1939 dcuf 000 0 eng  al 39000111  a(OCoLC)27282700 aDLCcMdBJdDLC apremarc00aHD7279.U6bN551 aFlexner, Jean Atherton.14aThe work of an industrial hygiene division in a state department of labor ... aWashington,bU.S. Govt. print. off.,c1939. avii, 24 p.bpl.c23 cm.1 aU.S. Dept. of labor. Division of labor standards.vBulletin no. 31 aAt head of title: United States Department of labor. Frances Perkins, secretary. Division of labor standards. Verne A. Zimmer, director. aA report based on data dealing with the Industrial hygiene division of the New York (State) Department of labor. cf. Foreword. a"By Jean A. Flexner." - Letter of transmittal. 0aLabor bureauszUnited States. 0aIndustrial hygienezUnited States.2 aNew York (State) Bureau of industrial hygiene.1 aUnited States.bBureau of Labor Standards.tBulletin ...vno. 31. c36306d36306