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GHD 11109471 (2) <br />Table 1 <br />Soil Analytical Data <br />Chevron Service Station 201383 <br />1960 W. 11th Street, Tracy, California <br />Sample ID Date Sample Depth TPHd TPHg Benzene Toluene Ethylbenzene Total Xylenes MTBE Naphe glen � Notes <br />(fbg) (milligrams per kilogram) <br />b <br />Vapor Intrusion to IndoorAir(0-10 fbg) <br />100 <br />n <br />Residential - 1.9 21 - <br />- 9.7 <br />Direct Contact (0.5 fbg) <br />r <br />D1/2 <br />Commercial <br />2.8 <br />32 <br />45 <br /><0.0050 <br />Volatilization to Outdoor Air Residential 8.2 89 <br />9.7 <br />(5.10 tbg) Commercial <br />12 <br />134 <br />45 <br />if7Q0i6 <br />Direct Contact (0-10 fbg) Utility Worker 14 314 <br />219 - <br />Dispenser Islands <br />M <br />n <br />M <br />r <br />D1/2 <br />1/7/2016 <br />3.8 <br /><1.0 <br /><1.0 <0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br />- <br />9314 <br />if7Q0i6 <br />4 <br />24 <br />78 -0-00x0 <br />4g -Born <br />08084 <br />8-8072 <br /><0-G060 <br />0-46 <br />- Overexcavated on 1/7/16 <br />D5/6 <br />1/7/2016 <br />3 <br /><1.0 <br /><1.0 <0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br />D7/8 <br />1!7/2016 <br />5 <br /><1.0 <br />0.0 <0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br />D9/10 <br />16/2016 <br />3.8 <br />0.0 <br />0.0 <0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br />-- <br />D11/42 <br />,-.r,z0-,0 <br />3-5 <br />3-6 <br />24 '9.0069 <br />4O0060 <br />0:818 <br />0844 <br />0.0984 <br />8:28 <br />- Overexcavated on 1/7116 <br />Over -Excavation <br />D3/4 <br />1!7/2016 <br />6 <br />0.0 <br />0.0 <0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br />- <br />D11/12 <br />1!7/2016 <br />6.5 <br /><1.0 <br /><1.0 <0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br />0.018 <br /><0.0050 <br />- <br />Soil Stockpile Sample <br />Waste -1 <br />1/7/2016 <br />1.5 <br /><1.0 <0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br />- <br />6.8 <br />Waste -2 <br />1!7/2016 <br />- <br />0.0 <br />2.2 <0.0050 <br /><0.0050 <br /><0.0050 <br /><0.0050 <br />9.4 <br />Waste -3 <br />1/7/2016 <br />- <br />4.4 <br />16 <0.0050 <br /><0.0050 <br />0.014 <br />0.058 <br />- <br />- <br />10 <br />Abbreviations/Notes: <br />Total petroleum as diesel (TPHd) by EPA Method 8015M with Silica Gel Clean-up <br />Total petroleum as gasoline (TPHg) by EPA Method 8015M <br />Benzene, toluene, ethylbenzene and xylenes (BTEX), methyl tertiary butyl ether (MTBE), and naphthalene by EPA Method 8260B <br />Total Lead by EPA Method 6010 <br />Page 1 of 1 <br />40 <br /><x = Not detected above reporting limit <br />fbg = Feet below grade is <br />-= Not analyzed <br />" The Low Threat Underground Storage Tank Case Closure Policy was established in 2012 by the State Water Board to provide standard statewide closure criteria for <br />low threat UST sites that are subject to Chapter 6.7 of Division 20 of the Health and Safety Code and Chapter 16 of Division 3 of Title 23 of the California Code of <br />Z <br />7� �rr <br />� <br />D\ <br />M <br />n <br />M <br />r <br />