00000cam a22000004a 4500 UP-1685523046125014400 Buklod 20230503092606.0 m o j ta 071031s xx d r |||| u| (iLib)UPMNL-00000011270 UP CPH rda eng T59.77 N37 1973 National Institute for Occupational Safety and Health. The industrial environment--its evaluation and control. Washington U. S. Govt. Print. Off. 1973 719 p. ill. Second ed. published in 1965 by the U.S. Public Health Service, Division of Occupational Health. Industrial hygiene. Work environment. United States. Public Health Service. Division of Occupational Health. The industrial environments its evaluation and control. CPH-9461 UPMNL CPH T59.77 N37 1973 Book