Results of external quality-assurance program for the National Atmospheric Deposition Program and National Trends Network during 1985 /
by Myron H. Brooks and LeRoy J. Schroder, and Timothy C. Willoughby.
|Main Author:||Brooks, Myron H.|
|Related Names:||Willoughby, Timothy C. , Schroder, L. J.|
Denver, Colo. : Dept. of the Interior, U.S. Geological Survey ; 1988.
Water quality /
Water quality / United States /
Hydrogen-ion concentration > Hydrogen-ion concentration / Measurement.
Quality assurance > Quality assurance / United States.
iii, 14 p. ;
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