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Abstract
The U.S. Environmental Protection Agency's regulations require corrective action to be taken in response to a leaking underground storage tank (UST). Increasingly active state-run programs and the introduction of new cleanup technologies make UST corrective actions a multidisciplinary effort. The diversity of experience among personnel involved with this type of work has increased.
The EPA's Risk Reduction Engineering Laboratory has made its databases available to the public to help support this diverse audience. Its Computerized On-Line Information System (COLIS) allows for the quick and simple retrieval of data relating to UST incidents, as well as other hazardous-waste-related information. This paper describes the development and features of two important COLIS subsystems: the Case History File and the Library Search System. Sample search sessions are used to illustrate features of particular interest to personnel involved with UST sites.