Also available via Internet from the OECA web site (PDF file only). Address as of 7/21/99: http://es.epa.gov/oeca/perfmeas/full-oec.pdf; current access is available via PURL.
Bibliography
Includes bibliographical references.
Note
"EPA300-B-99-002."
Reproduction
Microfiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., [1999] 2 microfiches : negative.