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— 3040 Clairemont Or <br /> Suite 6 <br /> = o San Diego CA <br /> APPLIED 92117 <br /> CONSULTANTSTEL(619)275 6577 <br /> e <br /> e�mnmerrta�gm*y S mgneg 10 October 1992 FAX(619)275 6947 <br /> Mr. Steve pilbert � <br /> U-Haul Corporation <br /> VE D <br /> Amerco Real Estate 0 CT 2 1 1992 <br /> 1 Fuel and Environmental Management Department <br /> 2721 N. Central Avenue, Suite 700 tiNVIRONMENTAL HEALTH <br /> 10109e0109y phoenix, Arizona 85004 PERMIT/SERVICES <br /> Subject: Quarterly Monitoring Report 2701 Wilson <br /> Reptechnical services Way, Stockton, California <br /> SITE CODE: 1772 <br />�vrronmental services <br /> Dear Mr. Gilbert: <br /> tructuralengmeenng In accordance with your request Applied Consultants has prepared <br /> this report of the quarterly monitoring as required by the San <br /> Joaquin County, Public Health Services for the unauthorized release <br />'mrenvicengineering of hydrocarbons at 2701 Wilson Way, Stockton, California. <br />' BACKGROUND <br /> The subject site was previously a gasoline service station with <br /> four (4) underground storage tanks (UST' s) (1-10, 000 gallon tank <br /> containing unleaded gasoline, 1-8 , 000 gallon tank containing <br /> unleaded gasoline, 1-6, 000 gallon tank containing regular gasoline, <br /> and 1-250 gallon tank containing waste oil) . The three (3) gasoline <br />' tanks were buried in a common excavation in the central portion of <br /> the subject site and the waste oil tank was buried in a separate <br /> excavation within the building (Figure 1) . <br />' On 10 July 1990, the four UST's were decommissioned and removed <br /> from the property. ETS Environmental & Associates (ETS) observed <br /> the tank removals and obtained confirmatory soil samples beneath <br />' the tanks. <br /> On 12 July 1990, the product lines were excavated and removed from <br />' the property. ETS observed the removal of the product lines and <br /> obtained confirmatory soil samples in the excavation. <br /> In October 1991, ETS submitted a Preliminary Investigation and <br /> Evaluation Report (PIER) which included soil sampling in the bottom <br /> of the open excavations, the drilling of three (3) 100 ' deep <br /> borings, and the conversion of the three borings into 2-inch <br /> diameter monitoring wells (Figure 2) . <br /> U-HAUL \ 2701 WILSON WAY <br /> MJB-92-II \ UH-WILSON RPT (S05020 2) <br /> 10 OCTOBER 1992 <br />