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Open-File Report 03-314

Preliminary analyses for perchlorate in selected natural materials and their derivative products

By G.J. Orris, G.J. Harvey, D.T. Tsu, and J.E. Eldrige

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Increasing concern about sources of perchlorate contamination in ground and surface waters has led to interest in identifying potential sources of natural perchlorate and products derived from these natural sources. To date, most perchlorate found in ground and surface waters has been attributed to its major uses as an oxidizer in solid propellants for rockets, in fireworks and other explosives, and a variety of other uses of man-made perchlorate salts. However, perchlorate found in the soils, surface water, and ground water of some locations cannot be linked to an anthropogenic source. This paper contains preliminary data on the detection and non-detection of perchlorate in a variety of natural materials and their products, including some fertilizer materials. These data were previously presented at two conferences; once in poster session and once orally (Harvey and others, 1999; Orris and others, 2000). Although the results presented here are included in a journal article awaiting publication, the lack of public information on this topic has led to repeated requests for the data used as the basis for our presentations in 1999 and 2000.

First posted September 5, 2003

For additional information, contact:
Geology, Minerals, Energy, and Geophysics Science Center
U.S. Geological Survey
345 Middlefield Road, MS 901
Menlo Park, CA 94025-3591

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Suggested citation:

Orris, G. J., Harvey, G. J., Tsui, D. T., Eldrige, J. E., 2003, Preliminary analyses for perchlorate in selected natural materials and their derivative products: U. S. Geological Survey Open-File Report 03-314, 6 pp.,

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