Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory
Subtitle: determination of organonitrogen herbicides in water by solid-phase extraction and capillary-column gas chromatography/mass spectrometry with selected-ion monitoring
By: by Mark W. Sandstrom ... [et al.]
Contributors: Sandstrom, Mark W. (Mark William); Geological Survey (U.S.); National Water-Quality Laboratory (U.S.)
Series: U.S. Geological Survey open-file report -- 91-519
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; U.S. Geological Survey, Books and Open-File Reports Section [distributor]
Published: 1992
Place of publication: Denver, Colo
Language: eng
Format: Microform
Number of pages: 26
Subjects: Water -- Pollution; Aquatic herbicides; Water resources development -- Environmental aspects
Notes: Distributed to depository libraries in microfiche

Shipping list no.: 93-0046-M

Includes bibliographical references (p. 25-26)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1993] 1 microfiche : negative