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<br /> TABLE 4 - CONTINUED
<br /> Analytical Results of Ground Water Samples
<br /> PACIFIC CAR WASH
<br /> 4405 Pacific Avenue, Stockton, Callfonua
<br /> Well I D
<br /> (screen Date TPH-G Benzene Toluene Ethyl X lene MTBE MTBE
<br /> interval}
<br /> benzene y 8020 $2b0 "TAME DIPE ETBE T'SA DSA EDB
<br /> 11-24-97 130,000 7,100 19,000 2,600 17,000 ND<500 81 ND<1 ND<1 ND<1 72
<br /> 02-18-98 4,500 210 190 54 290 32 12 ND<1 ND<l ND<l ND<5
<br /> 05-14-98 66,000 5,600 11,000 2,700 14 000 ND<150 ND<85 ND<85 ND<85 ND<85 ND<85 ND<85 ND<85
<br /> 10-19-98 110,000 5,700 17,000 2,500 13,000 ND<250 40 ND<20 ND<20 ND<20 ND<100 -
<br /> 01-21-99 120,000 5,700 17,000 2,600 14,000 ND<250 120 ND<10 ND<10 ND<10 ND<50 - -
<br /> 04-15-99 50,000 2,400 7,200 1,400 7,000 ND<100 20 ND<14 ND<14 ND<14 ND<70 - -
<br /> 07-29-99 59,000 2,500 4,100 1,300 5,100 ND<250 390 ND<17 ND<17 ND<17 ND<85 - -
<br /> 10-12-99 31,000 1,700 1,400 730 2,700 ND<250 27 ND<2 5 ND<2 5 ND<2 5 ND<13 - -
<br /> 01-20-00 36,000 1,700 1,900 730 3,500 ND<250 36 ND<10 ND<10 ND<10 ND<50 - -
<br /> MNV-6 04-14-00 17,000 960 3,000 470 1,900 43 37 ND<10 ND<10 ND<10 ND<50 - -
<br /> (2S 45) 08-17-00 31,000 1,000 1,500 640 2,800 ND<250 21 ND<20 ND<20 ND<20 ND<2000 - -
<br /> 12-01-00 49,000 1,400 2,100 1,100 5,700 ND<250 26 ND<10 ND<10 ND<10 ND<50 - -
<br /> 03-27-01 83,000 2,400 9,000 2,300 14,000 ND<250 210 ND<50 ND<50 ND<50 ND<250 - -
<br /> 06-26-01 82,000 2,200 7,900 2,500 15,000 920 910 ND<25 ND<25 ND<25 ND<1000
<br /> 09-25-01 87,000 1,900 9,300 3,300 21,000 1,800 1,300 ND<10 ND<10 ND<10 ND<50 - -
<br /> 12-31-01 73,000 940 4,500 2,400 15,000 1,800 2,400 ND<50 ND<50 ND<50 ND<2000 ND<50 ND<50
<br /> 02-14-02 67,000E 1,100 4,500 3,000 19,000 1,900 2,200 ND<50 ND<50 ND<50 ND<250 - -
<br /> 05-14-02 100,000 910 3,500 3,000 20,000 2,900 1,800 ND<50 ND<50 ND<50 ND<500 ND<50 ND<50
<br /> 08-14-02 94,000 1,100 3,100 2,700 20,000 2,400 1,800 ND<50 ND<50 ND<50 ND<2000 ND<50 ND<50
<br /> 11-25-02 96,000 700 4,300 3,000 24,000 1,100 1,500 ND<25 ND<25 ND<25 ND<1000 ND<25 ND<25
<br /> 02-25-03 1 71,000' 1 270 1 2,8000 1 2,800 1 16,000 - 1 660 ND<100 I ND<100 I ND<100 I ND<1000 I ND<100 ND<100
<br /> r
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