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T <br /> w <br /> TABLE 3 NTINUED 1 <br /> Analytical Results of Ground Water Samples <br /> PACIFIC CAR WASH <br /> 4405 Pacific Avenue, Stockton, California <br /> Ground Screen Ethyl- MTBE MTBE <br /> Well I D Date Water Interval TPH-G Benzene Toluene bene Xylene 8020 8260TAME DIPE ETBE TBA <br /> Depth ft bs <br /> 10-19-98 2725 700 43 120 25 95 ND<2 5 1 1 ND<l ND<l ND<l ND<5 <br /> 01-21-99 2720 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<l ND<1 ND<1 ND<l ND<5 <br /> 0445-99 23 73 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<l ND<l ND<1 ND<1 ND<5 <br /> 07-29-99 2572 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<l ND<l ND<1 ND<1 ND<5 <br /> MW-l0A 10-12-99 2736 23 to 43 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<l ND<1 ND<1 ND<5 <br /> 01-20-00 2764 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<1 ND<1 ND<1 ND<5 <br /> 04-14-00 22 53 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 15 18 ND<l ND<1 ND<1 ND<5 <br /> 08-17-00 2550 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<50 <br /> 12-01-00 2741 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<l ND<1 ND<1 ND<5 <br /> 10-19-98 2753 570 17 71 20 87 12 ND<1 ND<1 ND<1 ND<1 ND<5 <br /> 01-21-99 2741 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<1 ND<l ND<l ND<5 <br /> 04-15-99 23 50 580 10 41 21 84 ND<1 ND<l ND<1 ND<1 ND<1 ND<5 <br /> 07-29-99 2606 ND<50 ND<0 5 ND<0 5 ND<0 5 067 ND<0 5 ND<l ND<1 ND<l ND<l ND<5 <br /> MW-1013 10-12-99 2753 50 to 55 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<l ND<1 ND<1 ND<1 ND<5 <br /> 01-20-00 2780 ND<50 ND<0 5 070 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<1 ND<1 ND<l ND<5 <br /> 04-14-00 2280 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<I ND<1 ND<1 ND<1 ND<5 <br /> 08-17-00 2576 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<50 <br /> 11 12-01-00 2756 1 1 ND<50 I ND<0 5 ND<0 5 ND<0 5 ND<0 5 1 ND<0 5 ND<l ND<l ND<l ND<l ND<5 <br /> Notes <br /> All units reported as ug/l(nucrograms per liter or parts per billion) <br /> TPH total petroleum hydrocarbons <br /> DIPE 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 <br /> < indicates constituents were not detected at a concentration greater than the reporting limit shown <br /> ft bsg feet below surface grade <br /> r Ground water monitonng wells MW-1 and MW-2 were incorrectly identified during sampling procedures as verified by MW-2 being pumped"dry'rather than MW-t and verified by comparing with <br /> previous analytical data,therefore,the August 2000 analytical data collected from MW-1 was interpreted as MW-2 data and vice versa <br /> i <br /> Advanced GeoEnvlronmental,Inc <br />