Research Triangle Park, N.C. : Environmental Protection Agency, Office of Air and Waste Management, Office of Air Quality Planning and Standards ; Springfield, Va. : for sale by the National Technical Information Service, 1975-
Physical Details
volumes ; 28 cm
OCLC
ocm02186590
"EPA-450/3-75-080-a-b."
Prepared under interagency agreement no. EPA-IAG-D6-0902, project no. F 52047, program element no. 2AC 129.