Environmental research and development : hearing before the Subcommittee on Toxic Substances and Environmental Oversight of the Committee on Environment and Public Works, United States Senate, Ninety-eighth Congress, first session, June 14, 1983.

Pt. 1 not named as such.

Ground water contamination : hearings before the Subcommittee on Toxic Substances and Environmental Oversight and the full Committee on Environment and Public Works, United States Senate, Ninety-eighth Congress, first and second sessions: November 21, 1983--Bozeman, Montana; November 29, 1983--Washington, D.C.; January 18, 1984--Rochester, Minnesota; March 1 and 9, 1984--Washington, D.C.

Includes bibliographical references.

Ground water contamination and protection : hearings before the Subcommittee on Toxic Substances and Environmental Oversight of the Committee on Environment and Public Works, United States Senate, Ninety-ninth Congress, first session.

"October 24, November 14, and December 12, 1985"--Pt. 2.

Toxic chemical release inventory reporting forms and instructions : section 313 of the Emergency Planning and Right-to-Know Act : (Title III of the Superfund Amendments and Reauthorization Act of 1986).

"February 1999."

Resource Conservation and Recovery Act--oversight : hearings before the Subcommittee on Hazardous Wastes and Toxic Substances of the Committee on Environment and Public Works, United States Senate, One Hundredth Congress, first session.

Item 1045-A, 1045-B (microfiche).