Fiscal Year 1988 Measurable Environmental Results Initiatives: Underground Storage Tank Impacts on Ground Water

摘要

For FY 1988, an Underground Storage Tank (UST) Measurable Environmental Results Initiative (MERIT) Project was undertaken to map and evaluate high risk USTs (tanks greater than 15 years of age) within ten counties. Hydrogeologic setting and proximity of the facility to public wells were used to measure the potential impact of USTs on sensitive ground water areas. The information may be used to generate a prioritized list of USTs for states to use in monitoring and compliance. In addition, the mapping process was evaluated to identify problems that may limit and procedures that may expedite mapping UST facilities, should any state consider a similar project. It was found that mapping was time-consuming, with most site information being obtained by telephoning the tank contact person. Also, detailed road maps were found to be essential in locating and mapping UST facilities. The objectives were to evaluate the information in the UST Notification Data Base in terms of ability to locate UST sites, to determine the feasibility of locating UST sites as well as to provide a methodology for establishing compliance monitoring and enforcement priorities for UST facilities based on hydrogeologic setting, proximity to public water supply, and age of tank.