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Proceedings Paper

Fiber optic raman probe detection of chlorinated hydrocarbons in standard soils
Author(s): Tom G. Bilodeau; Kenneth James Ewing; I. P. Kraucunas; J. Jaganathan; Gregory M. Nau; Ishwar D. Aggarwal; Fred R. Reich; Stephen J. Mech
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Paper Abstract

Chlorinated hydrocarbons such as trichloroethylene and methylene chloride are common contaminants in soils at polluted sites. The chemical characterization of contaminated soils as a precursor to remediation is important. Raman spectroscopy is especially useful for the selective determination of a broad range of compounds. A fiber-optic Raman probe suitable for use in a soil environment has been constructed and tested. The intensity of the Raman signal of the chlorinated hydrocarbons trichloroethylene and methylene chloride has been measured in a variety of standard and nonstandard soil and sand samples. The effect of the soil parameters (opacity, particle size, etc.) on the intensity of the Raman signal has been investigated. The general implications for spectroscopic fiber optic chemical sensors used in a cone penetrometer system are discussed.

Paper Details

Date Published: 10 March 1994
PDF: 13 pages
Proc. SPIE 2068, Chemical, Biochemical, and Environmental Fiber Sensors V, (10 March 1994); doi: 10.1117/12.170672
Show Author Affiliations
Tom G. Bilodeau, Naval Research Lab. (United States)
Kenneth James Ewing, Naval Research Lab. (United States)
I. P. Kraucunas, Naval Research Lab. (United States)
J. Jaganathan, Naval Research Lab. (United States)
Gregory M. Nau, Naval Research Lab. (United States)
Ishwar D. Aggarwal, Naval Research Lab. (United States)
Fred R. Reich, Westinghouse Hanford Co. (United States)
Stephen J. Mech, Westinghouse Hanford Co. (United States)

Published in SPIE Proceedings Vol. 2068:
Chemical, Biochemical, and Environmental Fiber Sensors V
Robert A. Lieberman, Editor(s)

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