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<br /> TABLE 310INTINUED
<br /> Analytical Results of Ground Water Samples - Site Investigation
<br /> CALIFORNIA FUELS CARDLOCK STATION- 2442 Pacific Avenue, Stockton, California
<br /> Well Sample TPH-g TPH-d Benzene Toluene Ethyl Xylene MTBE MTBE RIPE ETBE TAME TBA EDB [712-D7CA
<br /> I D Date lbenzene 8020 8260
<br /> 10-16-97 18,000 2,1 002 3,400 2,600 400 1,700 ND<50 63 36 ND<2 ND<2 23 -
<br /> 01-09-98 1,800 6102 320 280 36 230 ND<50 ND<5 ND<1 ND<l ND<1 ND<5 -
<br /> 04-08-98 ND<50 ND<50 057 ND<0 5 ND<0 5 ND<0 5 26 ND<5 ND<l ND<1 ND<1 ND<5 - -
<br /> 07-17-98 3,300 700 2 720 320 66 240 ND<10 ND<35 ND<35 ND<35 ND<35 ND<175 - -
<br /> 10-22-98 2,000 170' 470 180 93 300 ND<10 is ND<1 ND<l ND<I ND<5 ND<I 63
<br /> 01-25-99 51,000 2,900 7,800 7,600 1,200 4,800 ND<100 ND<25 ND<25 ND<25 ND<25 ND<130 -
<br /> 04-28-99 2,000 670 2 380 250 58 250 ND<5 ND<10 ND<10 ND<10 ND<10 ND<50 -
<br /> 10-19-99 49,000 1,6002 5,100 8,100 1,600 7,300 ND<100 ND<8 5 ND<8 5 ND<8 5 ND<8 5 11 -
<br /> 09-29-00 81,000 - 5,200 16,000 2,700 13,000 ND<200 ND<60 ND<60 ND<60 ND<60 ND<300 ND<60 ND<60
<br /> 12-21-00 21,000 - 2,100 3,400 660 3,000 - ND<10 ND<10 ND<10 ND<10 ND<50 -
<br /> AW-213 03-21-01 18,000 - 2,200 2,900 440 2,000 ND<10 ND<50 ND<50 ND<50 ND<50 ND<250 -
<br /> 06-21-01 55,000 - 3,600 4,500 1,900 9,400 ND<250 ND<25 ND<25 ND<25 ND<25 ND<1000 ND<2S ND<25
<br /> 09-19-01 32,000 - 2,100 2,700 1,200 6,000 ND<50 ND<10 ND<10 ND<10 ND<10 ND<50 - -
<br /> 12-19-01 71,000 - 6,200 14,000 2,100 9,900 ND<25 ND<25 ND<25 ND<25 ND<25 ND<1000 ND<25 ND<25
<br /> 03-08-02 41,000 - 4,000 5,800 1,200 6,700 ND<250 ND<10 ND<10 ND<10 ND<10 ND<400 - -
<br /> 06-20-02 57,000 - 6,500 11,000 1,800 8,500 ND<250 ND<25 ND<25 ND<25 ND<25 ND<1000 ND<25 ND<25
<br /> 09-20-02 83,000' - 5,500 17,000 4,200 19,000 ND<1000 ND<5 ND<5 ND<5 ND<5 ND<50 ND<5 30
<br /> 12-31-02 52,000 - 2,800 20,000 2,200 9,200 ND<250 ND<25 ND<25 ND<25 ND<25 ND<1000 ND<25 ND<25
<br /> 04-04-03 ND<50 - 13 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<20 ND<0 5 ND<0 5
<br /> 06-24-03 71' - 12 12 ND<0 5 18 ND<5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<0 5 ND<0 5
<br /> 09-23-03 41,000 - 2,300 3,600 1,500 6,500 ND<50 ND<2 5 ND<2 5 ND<2 5 ND<2 5 ND<100 ND<2 5 62
<br /> 11-08-03 1 31,000 1 - 1 1,900 1 1,100 1 1,200 1 5,300 1 ND<l ND<1 ND<1 ND<1 I ND<10 I ND<1 4 8
<br /> Notes
<br /> pgll micrograms per liter or parts per billion,TPH-g total petroleum hydrocarbons quantified as gasoline,TPH-d total petroleum hydrocarbons quantified as diesel
<br /> MTBE methyl tertiary butyl ether,- not analyzed,ND not detected
<br /> < indicates constituents were not detected at a concentration greater than the reporting limit shown
<br /> ' unmodified or weakly modified gasoline
<br /> the laboratory indicated sample as having a non-diesel pattern
<br /> no recognizable pattern
<br /> Advanced GeaEnvironmental,Inc
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