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STATE-OF-THE-ART PROCEDURES AND EQUIPMENT FOR INTERNAL INSPECTION AND UPGRADING OF UNDERGROUND STORAGE TANKS
Citation:
Flora Jr., J. D., G. J. Hennon, AND W. D. Glauz. STATE-OF-THE-ART PROCEDURES AND EQUIPMENT FOR INTERNAL INSPECTION AND UPGRADING OF UNDERGROUND STORAGE TANKS. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-97/085, 1997.
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Description:
This report supplements the previous State-of-the-Art Procedures and Equipment for Internal Inspection of Underground Storage Tanks published in 1991 by the EPA. The present report updates and provides descriptions of additional tank inspection technologies, specifically, noninvasive statistical modeling, remote video inspections, and robotic ultrasonic inspections. A newly developing technology of thermal waving is also described. In addition, this document describes the state of the art of methods for upgrading underground storage tanks. Two established methods of upgradingtank lining and cathodic protectionare described in addition to two newer methodsinstallation of a membrane liner and installation of a rigid internal tank. This report was submitted in fulfillment of Contract No. 68-C2-0108 by Midwestern Research Institute, under subcontract to IT Corporation, under the sponsorship of the U.S. Environmental Protection Agency. This report covers a period from October 1,1993 to December 31, 1996, and was completed November, 1996.