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. CLOSURE SUMMARY REPORT <br /> August 1995 <br /> Parrish & Sons, Inc. <br /> 2905 East Miner Avenue, Stockton, California <br /> 1.0. INTRODUCTION <br /> ' In accordance with a request from <br /> qParrish & Sans, Inc (PSI),Advanced GeoEnviranmental, Inc <br /> (AGE) has prepared this Closure Summary Report(CSR)for the property located at 2905 East Miner <br /> ' Avenue in Stockton, California(the site) The CSR is prepared in accordance with recommendations <br /> for investigation of underground storage tank (UST) sites of the Tn-Regional Board - Appendices <br /> ' A and B The location of the site is illustrated in Figure 1 A plan of the site is illustrated in Figure <br /> 2 <br /> ' 2.0. BACKGROUND <br /> 21 SITE DESCRIPTION <br /> The site is located in a flat mdustrial/residential area of east-central Stockton (Figure 1) The property <br /> 1 is presently vacant PSI, a drilling and septic system contractor, occupied the property until the late <br /> 1980s <br /> 2 2 UNDERGROUND STORAGE TANK REMOVAL <br /> One 10,000-gallon regular gasoline UST was removed from the site in September 1989 by PSI No <br /> soil samples were collected at the time of removal because the backhoe used to remove the UST was <br /> leaking hydraulic fluid, potentially causing cross contamination of soil samples However, two soil <br /> ' samples (I-East and I-West) were collected from the UST excavation on 13 October 1989 The <br /> samples were collected by representatives of Canonie Environmental and transported under chain-of- <br /> custody to Canonie's laboratory in Stockton Each sample wds analyzed for total petroleum <br /> ' hydrocarbons quantified as gasoline(TPH-g)and volatile aromatics (benzene, toluene, ethyl benzene <br /> and xylenes BTE&X)in accordance with EPA methods 5030 and 8020, respectively and for ethylene <br /> 1 dibroimde (EDB) and organic Iead in accordance with DOHS methods <br /> TPH-g and xylenes were detected in sample I-East at concentrations of 150 parts per million (ppm) <br /> ' and 3 ppm, respectively No petroleum hydrocarbons, EDB or organic lead were detected in sample <br /> 1-West Analytical results of the soil samples are included in Table 1 The laboratory report and <br /> chain-of-custody form are included in Appendix A <br /> ' After collection of soil samples in October 1989, the excavation was backfilled with soil from the <br /> . UST removal <br /> 1 <br /> 1 <br />