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ARS <br />EXECUTIVE SUMMARY <br />Applied Remedial Services (ARS) is pleased to submit this Phase II Environmental Site <br />Assessment (ESA) report for the former Save Mart at 3310 and 3330 East Main Street in <br />Stockton, California. This report documents the drilling and sampling of four soil borings (B-1 <br />through B-4) at the site on August 24, 2012. <br />The four investigative soil borings, B-1 through B-4, were drilled and sampled on Friday, August <br />24, 2012. Borings B-1 through B-4 were arrayed from northwest to southeast on the northeast <br />corner of the property, in an expected downgradient (northeast) direction from the possible <br />location of the former Site gas station. The borings were drilled to approximately 30 feet in <br />depth using direct-push hydraulically-driven soil coring equipment. <br />Soils encountered in the four borings generally consisted of silts, sands and clays down to total <br />boring depths. These soil units were generally not correlative between borings. No groundwater <br />was encountered in the four borings, and no hydrocarbon odors or OVM detections were noted <br />in soils from the four borings. <br />Soil samples from the four investigative borings showed no significant hydrocarbon detections. <br />The only hydrocarbon detections were: <br />15 milligrams per kilogram (mg/kg) of Total Petroleum Hydrocarbons as Diesel (TPH-D) <br />at 20 feet in depth in B-1; <br />30 mg/kg of TPH-D at 30 feet in depth in B-1; and <br />12 mg/kg of TPH-D at 15 feet in depth in B-4. <br />Results of this investigation indicate no significant hydrocarbon impacts from the possible <br />operation of a gas station, or gas stations, on the Site prior to the mid-1950s. Soils in the four <br />investigative borings showed no field evidence of hydrocarbons, and laboratory analytical results <br />from soil sampled down to 30 feet in depth in the four borings showed no significant <br />hydrocarbon detections. Based on these results, it appears that the possible operation of a gas <br />station on the Site in the late 1940s or early 1950s does not represent a Recognized <br />Environmental Condition relative to the Site. We recommend no additional investigation <br />relative to environmental conditions on the Site. <br />PHASE II ENVIRONMENTAL SITE ASSESSMENT <br /> Page 1 3310 & 3330 E. MAIN ST., STOCKTON, CA