Underground Storage Tank Monitoring: Observation Well Based Systems |
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| Authors: | Raymond A Scheinfeld John B Robertson Todd G Schwendeman |
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| Institution: | Raymond A. Scheinfeld is a geologist with Roy F. Weston Inc. He holds a B. A. and an M. S. in geology from Temple University and is working on a Ph. D. in geology at the University of Delaware. His areas of specialization include organic and biogeochemistry, sedimentology, clay mineralogy, karst hydrogeology, aquifer testing and underground storage tank management.;Todd G. Schwendeman is presently the underground storage system coordinator of the American Petroleum Institute. He has a B. S. in biology from Colgate University and an M. S. in civil engineering from Montana State University. From 1982 to 1983 he was employed by the Research and Technical Laboratory for Texaco, USA. His responsibilities included ground water, surface water and hazardous waste investigations and assessments. His experience includes chemical/soil science, hydrogeology, geology and ground water contamination computer modeling. Prior to working for Texaco, Schwendeman was employed by the U. S. Forest Service to investigate the water quality impact of select dust suppressants as well as performing technical analyses for a soils engineering firm.;John B. Robertson is vice president and director of National Ground Water Programs for Roy F. Weston Inc. Robertson holds a geological engineering degree from the Colorado School of Mines with advanced studies in ground water hydrogeology at the University of Arizona. Before joining Weston he served more than 20 years with the U. S. Geological Survey conducting research on the fate and behavior of organic and radioactive wastes in ground water, ground water modeling, and management of nationwide radioactive and hazardous waste hydrogeology programs. At Weston, Robertson directs several underground storage tank technology projects, ground water modeling studies, and serves as senior technical advisor on major nuclear waste disposal programs, remedial investigations and ground water protection programs. |
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| Abstract: | A growing number of state and local governments and petroleum-related companies require the use of release detection systems for underground petroleum storage tanks. This has resulted in a confusing array of commercially available petroleum product detection devices, many of which have not been extensively field-tested. These systems, which are installed in ground water observation wells, vapor wells or U-tubes, include hydrocarbon-detecting paste, bailers, interface probes, electrical resistivity sensors, thermal-conductivity sensors, hydrocarbon-soluble devices, hydrocarbon-permeable materials and vapor detectors. This paper describes the available state-of-the-art technology for leak detection and the application for which each system is best suited. |
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