00730nam a2200181Ia 450000100060000000300050000600500170001100800410002801000200006902000150008911000860010424501700019026000580036030000210041850400300043965000450046965000340051490228BIBL20160527204633.0800327s1980    dcua     b    00010 eng    a 80013769 //r85  z030903035820aEnvironmental Studies Board.bCommittee on Particulate Control Technology.2Local10aControlling airborne particlescEnvironmental Studies Board, Committee on Particulate Control Technology, Commission on Natural Resources, National Research Council.0 aWashington, D.C.bNational Academy of Sciencesc1980.  axi, 114 p.bill.  aBibliography: p. 103-112. 0aParticlesxEnvironmental aspects.2Local 0aAir quality management2Local