00902nam a2200277Ia 4500 73819 BIBL 20160527200035.0 690707s1969 dcua b 001 0 eng 70601522 //r89 (OCoLC)00014569 PUCPR cicg TD 881 .U56 C7 628/.53/2 United States National Air Pollution Control Administration. 182913 Local Control techniques for particulate air pollutants. Washington 1969. 1 v. (various pagings) illus. 26 cm. Its Publication Includes bibliographies. Gases Cleaning. 16734 LEMB Air Pollution prevention & control 50161 Local Air Pollution. 50146 Local National Air Pollution Control Administration publication no. AP-51. 58460 58460 0 0 lc 0 TD_881_000000000000000__U56_C7 0 cil 290473 7 7 4 2016-05-27 115544 0 TD 881 .U56 C7 70000000899195 2016-05-27 00:00:00 r:73819 z:NCC:L 6