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TABLE 2 - • �NTINUED Analytical Results of Ground Water Samples PACIFIC CAR WASH 4405 Pacific Avenue, Stockton, Califomia a< z sr'�rlDltnF �'GFCatt �,� � � �� t U 7z w.A y.,{Zse^ k yr! .xef "'M`dx �< a x Et1t 1-:� f t W } s Nall I➢ Dite Wafar , 10tc�yal- Tag-Cr �13�rie - `oluene r �rt ° M ?3 � 1 QBE ry Ir e d � t,,� s Y ewe kms,, TAM s. DiPB STB �_ � TBA n K Dr 0 ttb zen � z r � $020 8260 .,of 1` ,.,'-,#rL t k- '._. '° ;A 10-19-98 2725 700 43 120 25 95 ND<2 5 11 ND<1 ND 01-21-99 2720 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<1 ND 04-15-99 23 73 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 07-29-99 25 72 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 MW-10A 10-12-99 27 36 23 to 43 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<1 ND<l ND<1 ND<5 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 04-14-00 2253 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 15 18 ND<1 ND<l ND<1 ND<5 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 12-01-00 2741 ND<50 ND<0 5 ND<6 5 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<1 ND ND 5 10-19-98 2753 570 17 71 20 87 12 ND<1 ND<1 ND<l ND<1 ND<5 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<1 ND<l ND<5 04-15-99 2350 580 10 41 21 84 ND<1 ND<1 ND<1 ND<l ND<1 ND<5 07-29-99 2606 ND<50 ND<0 5 ND<0 5 ND<0 5 1 067 ND<0 5 ND<1 ND<1 ND<1 ND<1 ND<5 MW-10B 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<1 ND<1 ND<1 ND<1 ND<5 01-20-00 2780 ND<50 ND<0 5 070 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<l ND<1 ND<1 ND<5 04-14-00 2280 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 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 12-01-00 2756 ND<50 ND<0 5 ND<0 5 1 ND<0 5 1 ND<0 5 1 ND<0 5 ND Notes All units reported as ugA(micrograms per Mer or parts per billion) TPH total petroleum hydrocarbons DIPE di-isopropyl ether,E TBE ethyl tertiarybutyl ether,TAME tertiary amyl methyl ether,TBA tertiary butanol alcohol,MTBE methyl tertiary butyl ether IIID not detected < indicates constituents were not detected at a concentration greater than the reporting limit shown ft bsg feet below surface gi ade 1 Ground water monitoring wells MW-I and MW-2 were incorrectly identified during sampling procedures as verified by MW-2 being pumped"dry"rather than MW-1 and verified by comparing with Previous analytical data,the refore,the August 2000 analytical data collected from MW-t was interpreted as MW-2 data and vice versa Advanced GeoEnllronmental,Inc