Report on the U.S. Geological Survey's evaluation program for standard reference samples distributed in October 1994
Subtitle: T-131 (trace constituents), T-133 (trace constituents), M-132 (major constituents), N-43 (nutrients), N-44 (nutrients), P-23 (low ionic strength) and Hg-19 (mercury)
By: by H. Keith Long and Jerry W. Farrar.
Contributors: Farrar, Jerry W.; Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 95-117.
Publisher: Dept. of the Interior, U.S. Geological Survey; Books and Open-File Reports [distributor]
Published: 1995
Place of publication: Golden, Colo; Denver, CO
Language: eng
Format: Microform
Subjects: Rocks -- Analysis -- Standards.; Chemical laboratories -- United States -- Quality control.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 97-0319-M.

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1997] 2 microfiches.