sponsored by ASTM Committee E-34 on Occupational Health and Safety, and the Industrial Health Foundation, Benalmadéna-Costa (Torremolinos), Spain, 5-6 Nov. 1979 ; D.D. Dunnom, editor
sponsored by ASTM Committee D-22 on Sampling and Analysis of Atmospheres and ASTM Committee E-34 on Occupational Health and Safety, Philadelphia, Pa., 13 Oct. 1982 ; Benjamin Levadie, editor