Report on the U.S. Geological Survey's evaluation program for standard reference samples distributed in April 1992
Subtitle: T-119 (trace constituents), M-122 (major constituents), N-34 (nutrients), N-35 (nutrients), Hg-14 (mercury)
By: by H. Keith Long and Jerry W. Farrar.
Contributors: Farrar, Jerry W.; Geological Survey (U.S.)
Series: Open-file report -- 92-164.; U.S. Geological Survey open-file report -- 92-164.
Publisher: U.S. Geological Survey; Books and Open-File Reports [distributor]
Published: 1992
Place of publication: Golden, Colo; Denver, CO
Language: eng
Format: Microform
Number of pages: 100
Subjects: Water quality -- United States -- Measurement
Notes: Shipping list no.: 2002-0155-M.

Includes bibliographical references (p. 8).

Microfiche. [Denver, Colo. : U.S. Geological Survey, 2002] 2 microfiches : negative.