Research Triangle Park, N.C. : U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards ; Springfield, VA : National Technical Information Services [distributor], [1987]
Physical Details
1 volume (various pagings) ; 28 cm
OCLC
ocm28541728
Distributed to depository libraries in microfiche.
"November 1987."
"EPA-450/3-87-025."
Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1993] 2 microfiches : negative.