Description based on: July 1979; title from caption
Numbering
None published, 1992
Notes
Vol. for May 1994 distributed to depository libraries in microfiche
Issuing Body
Vols for 19 -19 issued by: the Environmental Protection Agency; 19 -<Jan. 1977> by: the Agency's Office of Technology Transfer; <July 1979>-19 by: the Agency's Environmental Research Information Center; <Sept. 1980>-Sept. 1989 by: the Agency's Center for Environmental Research Information; June 1990-Sept. 1991, <May 1994-> from: Office of Research and Development, Office of Technology Transfer & Regulatory Support; Apr. 1993-199 from: Office of Research and Development, Office of Science, Planning, and Regulatory Evaluation