Ambient air quality standards - California. (California Air Resources Board, 1970)
Includes bibliographical references.
Institute of Transportation Studies Library copy: Imperfect: p. 73 duplicated in place of p. 75
Keywords: Air / Pollution / Standards. / fast / (OCoLC)fst00802166; Air / Pollution / Standards / California.; California. / fast / (OCoLC)fst01204928