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T#E E <br /> EXPLORATORY SOIL BORING SAMPLING SUMMARY <br /> Results in mg/Kg - parts per millon (ppm) <br /> Chevron Service Station No 9-8264 <br /> 3775 Tracy Boulevard <br /> Tracy, California <br /> EXPLORATORY SOIL BORING RESULTS <br /> SAMPLE ID DEPTH LAB DATE TPM - MTBE Benzene Toluene Ethyl- Xylenes TPM-Diesel <br /> (ft I Gasoline benzene <br /> B-1-5 0 5 Sequoia 6-Feb-96 2 6 ND ND ND 0 033 0 087 ND <br /> B-1-9 5 9 5 Sequoia 6-Feb-96 13 ND ND ND 0 050 0 15 ND <br /> B-1-12 5 12 5 Sequoia 6-Feb-96 ND ND ND ND ND ND ND <br /> B-2-50 5 Sequoia 6-Feb-96 ND 023 020 ND ND 0 038 1 0 <br /> B-2-9 5 9 5 Sequoia 6-Feb-96 ND 0 053 0 052 ND ND ND ND <br /> B-3-6 5 6 5 Sequoia 7-Feb-96 ND ND ND ND ND ND ND <br /> B-3-11 11 Sequoia 7-Feb-96 ND ND ND ND ND ND ND <br /> B-4-6 5 65 Sequoia 7-Feb-96 ND ND ND ND ND ND ND <br /> B-4-13 5 135 Sequoia 7-Feb-96 ND 020 ND ND ND ND ND <br /> MW-1-6 5 6 5 Sequoia 7-Feb-96 ND ND ND ND ND ND ND <br /> MW-1-11 5 11 5 Sequoia 7-Feb-96 ND ND ND ND ND ND ND <br /> MW-2-5 0 5 Sequoia 6-Feb-96 ND ND ND ND ND ND 11 <br /> MW-2-10 0 10 Sequoia 6-Feb-96 ND ND ND ND ND ND ND <br /> MW-3-6 5 6 5 Sequoia 7-Feb-96 ND ND ND ND ND ND ND <br /> MW-3-11 5 11 5 Sequoia 7-Feb-96 ND 0 080 ND ND ND ND ND <br /> MW-4-6 0 6 Sequoia 6-Feb-96 ND ND 0 15 ND 0 014 0 023 ND <br /> MW-4-10 0 10 Sequoia 6-Feb-96 ND 0 069 0 020 ND ND ND ND <br /> I <br /> TPH Gasoline = Total Petroleum Hydrocarbons calculated as Gasoline <br /> TPN Diesel = Total Petroleum Hydrocarbons calculated as Diesel <br /> MTBE = Methyl t Butyl Ether <br /> ND = Not Detected <br /> NOTE Detection limit for TPH G is 1 0 mg/Kg and BTEX is 0 0050 mg/Kg <br /> 85264E <br /> Page 1 of 1 <br />