Description
Item Description:Pt. 2 prepared for U.S. Environmental Protection Agency, Office of Air and Waste Management, Office of Air Quality Planning and Standards, under contract number 68-02-2607, work assignment number 4.
"C00090."
"March 1979"--pt. 1.
"June 1984"--pt. 2.
Physical Description:2 parts : illustrations, maps ; 28 cm.
Bibliography:Includes bibliographical references.