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r� �il�-- rr �w r rr r� �r rr r� r r�r rl� �■ �I■� rl� �III■� r� rr <br /> TABLE B <br /> UST AND PRODUCT PIPING OVEREXCAVATION SAMPLING SUMMARY <br /> CHEVRON STATION 9-8632 <br /> Results in mg/kg, parts per million (ppm) <br /> UST OVEREXCAVATION SAMPLING RESULTS <br /> SAMPLE ID DEPTH IAB DATE. TPH - Benzene Toluene Ethyl- Xylene <br /> M0c)- - --------- - ._ gasoline w�W _ benzene <br /> TX-1 4 Sequoia 8/17194 28 0 091 0 067 0-2-6-- 2 0 <br /> TX-2 4 Sequoia 8117/94 140 2 1 1 9 4 7 14 <br /> TX-3 7 Sequoia 8/17194 2500 ' <br /> 12 99 " 67 180 <br /> TX-4 4 Sequoia 8117194 ND ND ND ND ND <br /> TX-5 7 Sequoia 8/17194 6 8 0 028 ND 0 014 0 012 <br /> TX-6 4 Sequoia 8117/94 3 8 00092 ND 0 035 0 013 <br /> TX-7 4 Sequoia 8117/94 93 0 069 ND 027 0 051 <br /> TX-8 6 _Se cola 8/17/94 9 7 025 0 016 042 0 076 <br /> PRODUCT PIPING OVEREXCAVATION SAMPLING RESULTS <br /> 'SAMPLE ID DEPTH LAB DATE Tf-H - e Toluene Ethyl- Xytene <br /> gasaltnebenzene <br /> PX-1 5 Sequoia 8/17/94w 2fi m Y 0 45 _ V w Ou43 Y u 050-- - 2 3 <br /> PX-2 5 Sequoia 8/17194 1200 074 3 0 19 58 <br /> PX-3 7 Sequoia 8117/94 490 025 ND 2 8 2 0 <br /> PX-4 4 5 Sequoia 8/17/94 88 0 094 0 012 0 043 0 030 <br /> PX-5 4 5 Sequoia 8117/94 11 042 0 040 016 0 085 <br /> PX-6 65 Sequoia 8117194 370 0 84 0 52 63 3 0 <br /> TPH-Gasoline = Total petroleum hydrocarbons calculated as gasoline <br /> ND=Not detected at or above the laboratory detection limits <br /> NA =Analysis not requested <br /> Page 1 of 1 <br /> i <br />