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Environmental Assessment Report Advanced Environmental Concepts, Inc. <br /> TABLE-3 <br /> Analytical Results-Soil Samples <br /> 01/09/97 <br /> (ppm) <br /> CONSTITUENT TPH-D TPH-G B T E X 8080 8140 8150 <br /> SAMPLE I.D. <br /> SUMP ND ND ND ND ND NO ND ND NO <br /> WEED AST ND NA ND ND ND NO ND ND NO <br /> AG CHEM NA NA NA NA NA NA ND ND NO <br /> DETECTION LIMIT10.0 1 5.0 0.5 0.5 0.5 1.5 <br /> +r <br /> On March 11, 1997 an AEC geologist returned to the Bogetti property to further evaluate the lateral migration <br /> ��► <br /> of gasoline in the soil and shallow groundwater. h was our intent to obtain "clean" soil and groundwater <br /> samples from the north, south, and eastern boundaries of the gasoline plume. The borings were advanced <br /> , 1 using a hand_auger fitted with a 3 inch diameter stainless steel bucket. Soil samples were collected using a <br /> iQ hand held slide hammer connected to a 2 inch diameter sampling spoon. The gasoline plume was initially <br /> defined to the east,then the south, and finally to the north by augering 10 additional borings. The hand auger <br /> �., borings are described as B1 2H through B21 H. Soil samples were collected at intervals of approximately 5 feet, <br /> however, not all soil samples were analyzed. Groundwater was collected from inside the annular space of <br /> selected locations and analyzed for TPH-gasoline and volatile components. Also,the domestic well located <br /> 120 feet northwest (upgradient) of the gasoline tank emplacement, was sampled and analyzed for TPH- <br /> 'r g/BTXE. 7 <br /> 1.0 TABLE-4 <br /> Analytical Results-Soil <br /> 43/11/97 <br /> (ppm) <br /> CONSTITUENT TPH-D TPH-G BENZENE TOLUENE ETHYLBENZENE XYLENES <br /> SAMPLE I.D. <br /> B-1 21-1-10' NA ND ND NO ND NO <br /> B-13H-10' NA ND ND NO ND NO <br /> n B-14H-10' NA ND ND ND ND NO <br /> v.. <br /> B-1 51-1-10' NA ND NO ND ND NO <br /> B-171-1 10' NA 350 5 1.6 3.7 2 <br /> B-18H-10' NA NO NO ND ND ND <br /> B-19H-10' NA ND ND NO ND NO <br /> 6" B-19H-14' NA 21 0.09 NO 0.3 0.4 <br /> 6.0 Project: AEC 96C-1703 6 <br /> • ENVIRONMENTAL CONCEPTS WITH DEStGN IN MIND' <br /> 60 4400 ASHE ROAD.*206 • BAKERSFIELD,CA 93313 8051831-1646 FAX 805/831-1771 <br />