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Title: Feasibility of using fiber optics for monitoring ground water contaminants

Abstract

The report contains the results of the initial feasibility study for a research program undertaken to develop the technology needed to use fiber optics for monitoring groundwater contaminants. The technology appears especially well suited to the requirements of detection monitoring where a few indicator parameters can be measured continuously by sensors placed down small-diameter monitoring wells. Data are generated at a remote, centrally located fluorimeter, connected to the sampling sites by inexpensive optical fibers. The analytical method is laser-induced fluorescence which gives the desired sensitivity. The optrode, a chemical system and/or a mechanical device at the distal end of a fiber optic, furnishes the needed specificity. Various fiber and optrode configurations have been evaluated and their applications to groundwater monitoring are discussed. Feasibility is shown for physical measurements such as temperature, pressure and pH. Chemical detection and quantification of the actinides, inorganic and organic chlorides, sulfates, alcohols, aldehydes, pesticides and tracer materials are presented. Finally, it is shown that the need for smaller diameter wells (as compared to conventional sampling methods), and the ability to make up to 50 unattended in situ measurements, using a reasonably priced centralized fluorometer system connected to the sampling sites by inexpensive optical fibers, resultsmore » in acceptable economy.« less

Authors:
; ; ;
Publication Date:
Research Org.:
Lawrence Livermore National Lab., CA (USA)
OSTI Identifier:
6501619
Report Number(s):
PB-84-201607
TRN: 84-023071
Resource Type:
Technical Report
Resource Relation:
Other Information: Prepared in cooperation with S.T.E. Technical Services, Inc., San Ramon, CA
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; 29 ENERGY PLANNING, POLICY AND ECONOMY; FIBER OPTICS; WATER POLLUTION; REMOTE SENSING; WATER QUALITY; MONITORING; ACTINIDES; CHEMICAL ANALYSIS; DRINKING WATER; ECONOMIC ANALYSIS; FEASIBILITY STUDIES; FLUORESCENCE; GROUND WATER; HAZARDOUS MATERIALS; OPTICAL SPECTROMETERS; PH VALUE; SOLID WASTES; TECHNOLOGY UTILIZATION; WASTE DISPOSAL; ECONOMICS; ELEMENTS; ENVIRONMENTAL QUALITY; HYDROGEN COMPOUNDS; LUMINESCENCE; MANAGEMENT; MATERIALS; MEASURING INSTRUMENTS; METALS; OXYGEN COMPOUNDS; POLLUTION; SPECTROMETERS; WASTE MANAGEMENT; WASTES; WATER; 520301* - Environment, Aquatic- Radioactive Materials Monitoring & Transport- Water- (1987); 520200 - Environment, Aquatic- Chemicals Monitoring & Transport- (-1989); 290300 - Energy Planning & Policy- Environment, Health, & Safety

Citation Formats

Hirschfeld, T, Deaton, T, Milanovich, F, and Klainer, S M. Feasibility of using fiber optics for monitoring ground water contaminants. United States: N. p., 1984. Web.
Hirschfeld, T, Deaton, T, Milanovich, F, & Klainer, S M. Feasibility of using fiber optics for monitoring ground water contaminants. United States.
Hirschfeld, T, Deaton, T, Milanovich, F, and Klainer, S M. Fri . "Feasibility of using fiber optics for monitoring ground water contaminants". United States.
@article{osti_6501619,
title = {Feasibility of using fiber optics for monitoring ground water contaminants},
author = {Hirschfeld, T and Deaton, T and Milanovich, F and Klainer, S M},
abstractNote = {The report contains the results of the initial feasibility study for a research program undertaken to develop the technology needed to use fiber optics for monitoring groundwater contaminants. The technology appears especially well suited to the requirements of detection monitoring where a few indicator parameters can be measured continuously by sensors placed down small-diameter monitoring wells. Data are generated at a remote, centrally located fluorimeter, connected to the sampling sites by inexpensive optical fibers. The analytical method is laser-induced fluorescence which gives the desired sensitivity. The optrode, a chemical system and/or a mechanical device at the distal end of a fiber optic, furnishes the needed specificity. Various fiber and optrode configurations have been evaluated and their applications to groundwater monitoring are discussed. Feasibility is shown for physical measurements such as temperature, pressure and pH. Chemical detection and quantification of the actinides, inorganic and organic chlorides, sulfates, alcohols, aldehydes, pesticides and tracer materials are presented. Finally, it is shown that the need for smaller diameter wells (as compared to conventional sampling methods), and the ability to make up to 50 unattended in situ measurements, using a reasonably priced centralized fluorometer system connected to the sampling sites by inexpensive optical fibers, results in acceptable economy.},
doi = {},
url = {https://www.osti.gov/biblio/6501619}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1984},
month = {6}
}

Technical Report:
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