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Main Title Nondestructive testing (NDT) techniques to detect contained subsurface hazardous waste
Author Koerner, Robert M. ; Lord, Arthur E.
CORP Author United States. Environmental Protection Agency. Office of Research and Development.; Hazardous Waste Engineering Research Laboratory (Cincinnati, OH).
Publisher U.S. Environmental Protection Agency, Office of Research and Development, Hazardous Waste Engineering Research Laboratory,
Year Published 1987
Report Number EPA/600/2-87/078
Stock Number PB88-102405
Additional Subjects Drums (Containers) ; Hazardous waste sites ; Detection ; Hazardous materials ; Nondestructive tests ; Drums(Containers) ; Electromagnetic induction ; Radar ; Plastics
Library Call Number Additional Info Location Last
NTIS  PB88-102405 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Abstract The project involves the detection of buried containers with NDT (remote-sensing) techniques. Seventeen techniques were considered and four were ultimately decided upon. They were: electromagnetic induction (EMI); metal detection (MD); magnetometer (MAG); and ground penetrating radar (GPR). The containers--both steel and plastic--varying in size from 5 gal to 55 gal were buried in known distributions in a wide variety of soils; also, some were submerged in water. Five diverse field sites were used. As a result of the work at the five field sites, a relatively complete picture has emerged concerning the strengths and weaknesses of the four NDT subsurface container location techniques. Briefly it can be stated: GPR is the only reliable method to detect plastic containers, but it has limitations; GPR, EMI, and MD all suffer severe loss of detection ability when the background electrical conductivity exceeds 40 millimhos/meter; in a dry sandy soil EMI, GPR, and MAG are all capable of picking up a single 55-gal steel drum to a depth of at least 10 feet; the MAG method works well for steel under all subsurface conditions; and GPR can usually pickup the side walls of the excavations where waste is dumped. Application of signal enhancement techniques (background suppression) can be expected to enhance NDT utility.
Notes "PB88-102405." "September 1987." "EPA/600/2-87/078." "Cooperative agreement CR 807777."
Place Published Cincinnati, OH :
Supplementary Notes Sponsored by Environmental Protection Agency, Cincinnati, OH. Hazardous Waste Engineering Research Lab.
PUB Date Free Form 1987.
NTIS Prices PC A05/MF A01
Document Type BC
Cataloging Source OCLC/U
Origin NTIS