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3.0 SAMPLING PROCEDURES <br /> Ms. Tish, Hazardous Materials Management Specialist, County of San Joaquin DEH, was on-site <br /> to direct soil sampling activities. -Soil samples were collected by Steve Richardson, California <br /> Registered Geologist. Following removal of the UST, two soil samples were -collected from <br /> beneath the 12 inch concrete pad of the UST at a depth of 9 feet below grade, which included one <br /> soil sample from the west end of the UST-excavation and one soil sample from the northeast <br /> corner of the UST excavation. Additionally, one sample was taken from each of two stockpiles <br /> present on-site that were a result of the UST excavation. <br /> All excavation samples were collected with a stainless steel hand auger lined with 2" x 6" brass <br /> sleeves. All soil samples were collected from undisturbed native soil,. capped with teflon and <br /> plastic end caps, and immediately placed ori ice for preservation. New disposable latex sample <br /> gloves were donned prior to each sample collection:, Each sample was submitted, through proper <br /> chain of custody procedures documenting each stage of.possession and handling, for laboratory <br /> analysis. <br /> TABLE 3-1 <br /> SAMPLE•.IDENTIFICATION <br /> Sample Number _: Location[Descri tion <br /> Tank Pit Bot W- 1 Bottom of excavation on west end beneath concrete pad a 9' <br /> depth <br /> Tank Pit NE Comer-2 NE comer of excavation beneath concrete pad® 9' depth <br /> Stockpile • 1 Stockpile sample for composite <br /> 11 i1 -2 il' sa=le for co=osite <br /> WAL-MART 42025 <br /> 98182304.236 3-1 TRACY,CALIFORNIA <br /> I <br />