01300nam a2200301Ia 4500 329040 OCoLC 20160527192738.0 100831s1969 xxu 000 0 eng d 79601692 (OCoLC)837634889 PUCPR cicg TD 881 .U56 628/.53/2 Air quality criteria for sulfur oxides U.S. Department of Health, Education, and Welfare, Public Health Service, Consumer Protection and Environmental Health Service, National Air Pollution Control Administration Washington, DC National Air Pollution Control Administration 1969 XI, 178 S. graph. Darst. 27 cm National Air Pollution Control Administration publication 50 "January 1969" Includes bibliographies Air quality Standards. 50163 Local Sulfur oxides 281521 Local Air quality Standards 50163 Local Sulfur oxides 281522 Local United States National Air Pollution Control Administration. (DE-601)10177219X (DE-588)94258-3 182913 Local (DE-601)129673722 (DE-600)2563836 National Air Pollution Control Administration publication United States 50 245953 245953 0 0 lc 0 TD_881_000000000000000__U56 0 cil 185905 7 7 4 2016-05-27 528376 0 TD 881 .U56 70000000899194 2016-05-27 00:00:00 r:329040 6