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TABLE 4 <br />Analytical Results of Soil Vapor Samples - EPA Methods 8015M/8260 <br />OCAMPO PROPERTY - 821 South Wilson Way, Stockton, California <br />Sample TPH-g TPH-g Benzene Toluene Ethylbenzene Xylenes MTBE <br />Sample ID Date (pg/l) (ppmv) (pg/l) (pg/l) (pg/l) (pg/l) (pg/l) <br /> <br />08/05/10 62,000 14,880 320 1,200 180 1,300 <0.5 <br /> <br />08/10/10 17,000 4,080 91 520 190 960 <0.5 <br /> <br />09/08/10 4,100 984 <0.5 78 48 250 <0.5 <br /> <br />10/04/10 1,100 264 <0.5 26 19 120 <0.5 <br /> <br />11/08/10 1,900 456 6.0 56 21 100 <0.5 <br /> <br />12/09/10 4,400 1,056 6.8 56 20 110 <0.5 <br /> <br />01/03/11 800 192 <0.5 12 14 47 <0.5 <br /> <br />02/21/11 780 187 <0.5 4.6 9.7 73 <0.5 <br /> <br />03/07/11 1,000 240 <0.5 6.3 3.9 38 <0.5 <br /> <br />Influent 04/04/11 430 103 <0.5 2.5 3.0 22 <0.5 <br /> <br />05/02/11 600 144 3.2 9.9 5.5 40 <0.5 <br /> <br />06/06/11 210 50 <0.5 <0.5 <0.5 9.5 <0.5 <br /> <br />07/11/11 200 48 <0.5 <0.5 <0.5 7.1 <0.5 <br /> <br />08/09/11 200 48 <0.5 <0.5 <0.5 6.7 <0.5 <br /> <br />10/20/11 100 24 <0.5 <0.5 <0.5 2.9 <0.5 <br /> <br />12/19/11 3,500 840 4.7 13 2.5 16 <br /> <br />12/20/11 600 144 35 40 10 44 <br /> <br />12/21/11 390 94 18 27 6.6 31 <br /> <br />12/22/11 450 108 29 26 5.6 28 <br />Advanced GeoEnNironmental, Inc.