THRESHOLD limit values for 1954 adopted at the sixteenth annual meeting of the American Conference of Governmental Industrial Hygienists, Chicago April 24-27, 1954.
D000397:Air Pollution; D002641:Chicago; D003756:Dental Hygienists; D006801:Humans; D007221:Industry; D020711:Threshold Limit Values; D014481:United States
AIR POLLUTION