LOCAL AIR POLLUTION CONTROL PROGRAMS--A SURVEY AND ANALYSIS.
D000397:Air Pollution; D001699:Biometry; D003625:Data Collection; D003710:Demography; D004467:Economics; D006801:Humans; D007878:Legislation as Topic; D013223:Statistics as Topic; D014481:United States
AIR POLLUTION; DEMOGRAPHY; ECONOMICS; LEGISLATION; STATISTICS; UNITED STATES