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-ME <br /> & <br /> �i M. <br /> N <br /> SUP &SR11 <br /> -1-3 <br /> 1.0 INTRODUCTION1111STORY t1t 11�jrdirjrinl NovemW4%y antjor'd <br /> Thu San Joaquin Catholic CamOtOrY iu located <br /> Conlotory La no in Stockton, California ( Figure 1 ) . <br /> 1989, two underground gasoline atorago tankn wore removed from <br /> were used to fuel on- - <br /> the Cemetery grounds The tonka nothuito tanksmainhad <br /> tonance vohLclau and contained unloaded gasoline. <br /> also contained leaded regular gasoline in the past. Tank No. I <br /> wan a 500-gallon tank and wan aPPrOximOtOly 15 years old. Tank <br /> No. 2 woo a 1000-gallon tank and woo approximately 30 years old. <br /> Each tank had its own pump and independent piping systems- "o <br /> former underground storage tOnkn wore located on the cost side <br /> of, and immediately adjacent to the mausoleum an nhown on Figure <br /> 2. <br /> The tanks were tested in January, 1987, and again in August, <br /> 1989. The <br /> tosto utilized. static prosaurc from an applied product <br /> head. The tests conducted in 1959, indicated 0 leak. Tank teat <br /> Oro presented in Appendix A. ApproxiwatclY one month <br /> results a rap <br /> after the August, 1989 test, id logs of product from Tank <br /> No. 2 was recorded during daily inventory measurement. Nearly <br /> the entire contents of the tank (1000 gallons) was lost, presuma- <br /> bly to subsurface coils. The tanks were takers out Of sorvico and <br /> removed on November 17, 1989. Th© tank removal, soil sampling, <br /> and disposal operations were conducted by Stockton Service Sta- <br /> tion Equipmen'. CO., It'a. Visual inspection 4-5 inchestanks in diameter, <br /> leakage due to corrosion. A largo hole, <br /> was observed In Tank No. 2, along with numerous pinhole size <br /> openings in the tank bottom (verbal communication with Al Vigil). <br /> A representative Of the San Joaquin County Public Health Serviies <br /> Environmental Health Division was present during the tank removal <br /> and soil sampling operations. The tank disposal was contracted <br /> toto Erickson, Inc., of Richmond, California, who transported <br /> tanks under manifest for disposal. <br /> A soil Contamination Workplan/Preliminary Report dated march 22, <br /> 1990, was submitted in response to a request by the Son Joaquin <br /> County Public Health services, Environmental Health DivisicontaM- <br /> on fo <br /> a site investigation of potential soil and/or groundwaterr <br /> inution. This Problem Assessment Report (PAR) summarizes the <br /> results of the investigation outlined in the Workpand <br /> lan <br /> presents conclusions and recommendations for future activitiOs- <br /> 2.0 TECHNICAL DATA <br /> 2.1 Name and address of site, tank owner and contact person; <br /> Site and Tank owner: San Joaquin Catholic cemetery <br /> P.O. Box 1137 <br /> Stockton, CA 95202 <br /> Contact Person: Mr. Al Vigil <br /> (209) 466-6202 <br /> mill <br />