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TABLE 3 - CONTINUED <br /> Analytical Results of Ground Water Samples <br /> BOULEVARD AUTOMOTIVE SERVICE, 2151 Country Club Boulevard, Stockton, California <br /> Ground Screen Ethyl- - MTBE MTBE <br /> ell I.D. Date Water Interval TPH-g Benzene Toluene benzene Xylene 8020 8260 DIPE ETBE TAME 'TBA EDB 1,2-DC <br /> De th ft bs <br /> 06-30-00 7.82 ND<50 ND<0.5 0.94 ND<0.5 2.5 ND<5 ND<1 ND<l ND<I ND<l ND<5 - - <br /> 08-25-00 9.66 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<l ND<1 ND<1 ND<1 ND<5 - - <br /> 11-21-00 9.92 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<l ND<l ND<l ND<1 ND<5 - - <br /> 02-14-00 8.30 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<l ND<1 ND<1 ND<l ND<5 ND<l ND<l <br /> 05-16-01 7.47 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<l ND<1 ND<1 ND<1 ND<5 ND<l ND<l <br /> MW-7 08-21-01 10.51 4 to 24 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<1 ND<l ND<l - ND<l ND<5 ND<l ND<l <br /> I1-20-01 11.25 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<l ND<1 ND<1 ND<l ND<5 ND<l ND<1 <br /> 02-22-02 7.31 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<l ND<l ND<l ND<l ND<5 ND<l ND<l <br /> 05-24-02 7.93 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<0.5 ND<0.5 <br /> 08-28-021 10.77 ND<50 I ND<0.5 ND<0.5 I ND<0.5 ND<0.5 - I ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<0.5 ND<0.5 <br /> 06-30-00 7.38 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<1 ND<l ND<l ND<l ND<5 - - - <br /> 08-25-00 9.12 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<1 ND<l ND<l ND<1 ND<5 - - <br /> 11-21-00 7.40 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<l ND<l ND<l ND<l ND<5 - - <br /> 02-14-01 7.55 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<1 ND<l ND<l ND<l ND<5 ND<l ND<l <br /> 05-16-01 7.09 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 No<l ND<1 ND<1 ND<1 ND<5 ND<l ND<l <br /> MW-8 08-21-01 9.98 5 to 25 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<l ND<1 ND<l ND<l ND<5 ND<1 ND<1 <br /> 11-20-01 10.41 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<l ND<l ND<1 ND<l ND<5 ND<l ND<1 <br /> 02-22-02 6.69 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<l ND<l ND<l ND<l ND<5 ND<l ND<1 <br /> 05-24-02 7.33 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<l ND<l ND<l ND<l ND<5 ND<l ND<l <br /> 08-28-02 9.90 ND<50 ND<0.5 ND<0.5 ND<0.5 I ND<0.5 - ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<5 ND<0.5 ND<0.5 <br /> 06-30-00 9.51 40,000 2,700 2,300 850 5,800 ND<550 ND<8.5 ND<8.5 ND<8.5 ND<8.5 ND<43 - - <br /> 08-25-00 11.00 50,000 5,700 3,400 750 6,700 ND<1000 ND<25 ND<25 ND<25 ND<25 ND<130 - <br /> 11-21-00 9.56 30,000 3,800 2,400 560 3,900 ND<120 ND<15 ND<15 ND<15 ND<15 ND<75 - - <br /> 02-14-01 10.51 33,000 3,100 2,200 550 3,500 ND<550 6.6 ND<5 ND<5 ND<5 ND<25 ND<5 17 <br /> 05-16-01 9.09 10,000 1,300 610 230 1,200 ND<20 ND<5 ND<5 ND<5 ND<5 ND<25 ND<5 5.9 <br /> MW-9 08-21-01 11_97 Sto25 12,000 2,000 520 300 1,100 ND<25 ND<5 ND<5 ND<5 ND<5 ND<25 ND<5 7.9 <br /> 11-20-01 12.82 51,000' 4,800 2,700 900 5,100 ND<200 ND<5 ND<5 ND<5 ND<5 ND<25 ND<5 23 <br /> 02-22-02 8.90 3,100' 390 16 7.3 7.7 ND<20 ND<I ND<l ND<l ND<l ND<5 ND<l 12 <br /> OS-24-02 9.48 29,000' 3,300 1,600 550 3,000 ND<200 ND<10 ND<10 ND<10 ND<10 ND<100 ND<10 17 <br /> 08-28-02 12.32 34 000' 1 4,400 1 2,800 1 940 1 5,700 1 1 ND<5 I ND<5 I ND<5 I ND<5 I ND<50 I ND<5 I 23 <br /> Notes: <br /> All units reported as pg/I(micrograms per liter or parts per billion) <br /> TPH:total petroleum hydrocarbons;DOE:di-isopropyl ether;ETBE:ethyl tertiary butyl ether;TAME:tertiary amyl methyl ether;TBA:tertiary butanol alcohol;MTBE:methyl tertiary butyl ether <br /> ND:not detected;NS:not sampled;<:indicates constituents were not detected at a concentration greater than the reporting limit shown;ft bsg:feet below surface grade <br /> ' :significant unmodified or weakly modified gasoline <br /> 2:lighter than water immiscible sheen <br /> Advanced GeoEnvironmental,Inc. <br />