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Page 2 BTEX constituents were also detected in the sample from the drill cutting (ethylbenzene at 0 037 ppm and xylenes at 0 25 ppm) EMCON visited the site on July 11, 1994 Two UST complex observation wells were noted at the northwest and southeast corners of the UST complex There was no water in either well The Pea gravel beneath the-southern dispenser pump on the west island showed moderate staining The gravel beneath the diesel dispenser (west Pump Island, north dispenser) also appeared wet and stained The concrete drive slab and asphalt surface were in good condition A storm drain is located to the east of the building containing the restrooms Rete _ulatory Status and Other Issues Site 11191 has a case file with the local regulatory oversight agency (San Joaquin County, Public Health Services, Environmental Health Division) The agency's file includes reports of tank tightness testing (although the file does not contain the results of the 1988 testing), as well i as the two reports of UST releases referenced in Section 2 The file also contained two reports of agency inspections at the site on April 27, 1993, and May 11, 1994 The 1993 report identified six violations, including no testing of leak detection equipment on one UST, calibration stickers missing, inventory reconciliation not being tallied monthly, a leaking dispenser and a nonworking nozzle on the diesel tank, and all monitoring and maintenance records not maintained on site The 1994 report identified two violations inventory reconciliation reports had not been submitted, and complete UST monitoring records were not available for inspection In both cases, the agency classified these violations as major A letter from the County dated May 10, 1994 was issued to BP, requesting a work plan for additional investigation in the B-4 and B-5 area by July 11, 1994 It is not known if the work plan was submitted