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' 1 Table 1 SOIL CHEMICAL ANALYTICAL DATA Former Unocal Service Station No 0187 437 East Miner Avenue Stockton, California Sample Sample Depth Ethyl Total Number Date (feet) TPH-Gas Benzene Toluene benzene Xylenes (ppm) (ppm) (ppm) (ppm) (Ppm) (Ppm) U 1-31 5 07/07/94 31 5 < 1 0 <0 005 <0 005 <0.005 <0 005 U 1-46 5 07/07/94 465 < 1 0 <0 0050 <0 0050 <0 0050 <0.0050 U2-15 5* 07/07/94 15 5 < 1 0 <0 0050 <0 0050 <0 0050 <0.0050 U2-30 5 07/07/94 30 5 < 1 0 <0 0050 <0 0050 <0 0050 <0 0050 U2-45 5 07/07/94 45 5 < 1 0 0 018 <0 0050 00051 0 030 U3-16 5 07/06/94 16 5 < 1 0 <0 005 00054 <0 005 0 013 U3-26 5 07/07/94 265 6 3 <0 0050 0.017 0.013 0 039 U3-36 5 07/07/94 36 5 < 1 0 <0 0050 <0 0050 00077 00071 U3-46 5 07/07/94 465 330 048 0 86 1 1 3 3 UJ-16 5 07/06/94 16 5 < 1 0 <0 0050 0 025 0 0058 0 024 . UJ-26 5* 07/06/94 265 1 7** <0 005 0 0071 <0 005 0 012 UJ-41 5 07/06/94 41 5 < 1 0 <0 0050 0 015 <0 0050 0 012 UK-16 5 07/06/94 16 5 < 1 0 <0 0050 0 0072 <0 0050 0.018 UK-26 5* 07/06/94 26 5 < 1 0** <0 005 0 0094 <0.005 <0 005 UK-41 5* 07/06/94 41 5 130** <0 005 <0 005 <0.005 510 UK-46 5 07/06/94 45 5 < 1 0 <0 0050 0 026 00090 0 045 UL-15 5 07/06/94 15 5 3,000 <0 0050 2 5 5 9 33 UL-25 5* 07/06/94 25 5 5,300 1 2 160 <0 005 <0 005 UL-45 5 07/06/94 45 5 19,000 140 900 370 1,600 UM-15 07/06/94 15 < 1 0 <0 0050 0 011 <0 0050 0.0087 UM-25 5* 07/06/94 25 5 2 4 00079 0 012 0 0069 0 014 UM-30 5* 07/06/94 30 5** 140 <0 005 0.28 0 48 0 54 UM-45 5 07/06/94 45.5 510 046 1 4 1.9 10 *Sample analyzed one day after 14 day holding period expired ** Sequioa Analytical reports the chromatogram patterns as indicated unidentified hydrocarbons patterns > C7 TPH-Gas = Total petroleum hydrocarbons as gasoline . ppm = Parts per million GeoStrategles Inc.