略語大辞典 [Env] 33 NAAQS national ambient air quality standards (アメリカの)環境大気品位国家規格.national ambient air quality standards; ref. REHEX(regional humanexposure) model; ref. SCAQMD(South Coast Air Quality Management District); ref. TSP(total suspended particulate matter) in air; ref. RAD(restricted activity day), MRAD( 丸善「略語大辞典」JLogosID : 11862201