External quality-assurance results for the National Atmospheric Deposition Program/National Trends Network during 1991
By: by Mark A. Nilles ... [et al.].
Contributors: Nilles, Mark A.; Geological Survey (U.S.)
Series: Water-resources investigations report -- 93-4208.; Water-resources investigations report -- 93-4208.
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Earth Science Information Center, Open-File Reports Section [distributor]
Published: 1995
Place of publication: Denver, Colo
Language: eng
Number of pages: 36
Subjects: National Atmospheric Deposition Program and National Trends Network (U.S.); Acid deposition -- United States.; Pollutants -- United States.
Other titles: External quality assurance results for the National Atmospheric Deposition Program/National Trends Network during 1991.
Notes: Shipping list no.: 95-0272-P.

Includes bibliographical references (p. 35-36).