Method of analysis and quality-assurance practices for determination of pesticides in water by solid-phase extraction and capillary-column gas chromatography/mass spectrometry at the U.S. Geological Survey California District Organic Chemistry Laboratory, 1996-99 /

Mode of access: Internet.

Interagency coordination in environmental hazards (pesticides) Hearings before the Subcommittee on Reorganization and International Organizations of the Committee on Government Operations, United States Senate, Eighty-eighth Congress, first session.

Hearings held May 16, 1963-