Safety codes for the prevention of dust explosions.  National Fire Protection Association and United States Department of Agriculture, Sponsors. 
American Standard, Approved by the American Standards Association. December, 1931. 
 - Washington, D.C.,  U.S. Govt. Print. Off.,  1932. 
 - vii, 87 p. incl. illus., tables.  plates.  23 cm. 
 - United States. Bureau of Labor Statistics. Bulletin,  no. 562 Safety code series .
 - Bulletin of the United States Bureau of Labor Statistics ;  562. .
<br/><br/> 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. 
<br/><br/><label>LCCN: </label>l  32000028  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dust explosions.
<br/><br/><label>LC Class. No.: </label>HD8051  / .A62 no. 562