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<br /> TABLE 3 - CONTINUED
<br /> Analytical Results of Ground Water Samples
<br /> TOP FILLING STATION
<br /> 101 South Wilson Wa , Stockton, California
<br /> Sample Sample GroundWater S°teen TpH Benzene Toluene Ethyl- Xylenes MTBE MTBE DIPE ETBE TAME TBA EDB 1,2-DC
<br /> I D Date Depth Interval Gasoline benzene 8fl20 8260
<br /> 06-10-97 4622 230,000 39,000 48,000 3,800 19,000 4,600 NA NA NA NA NA NA NA
<br /> 09-25-97 4744 240,000 38,000 47,000 4,300 21,000 3,600 4,400 NI3<1000 ND<1000 ND<1000 ND<5000 NA NA
<br /> 12-17-97 4802 270,000 38,000 47,000 4,300 22,000 3,400 3,400 ND<5 ND<5 ND<5 1,700 NA NA
<br /> 03-12-98 4559 210,000 41,000 47,000 4,100 20,000 4,100 3,700 ND<500 ND<500 ND<500 ND<5000 NA NA
<br /> 06-11-98 4176 240,000 38,000 46,000 3,800 19,000 1,400 2,300 ND<2000 ND<2000 ND<2000 ND<10000 NA NA
<br /> 09-09-98 4088 210,000 27,000 24,000 4,400 22,000 9,300 4,100 ND<100 ND<100 ND<100 ND<500 I NA NA
<br /> 12-22-98 4034 170,000 24,000 24,000 3,200 18,000 3,100 3,200 ND<85 ND<85 ND<85 ND<425 NA NA
<br /> 03-26-99 3864 170,0001 26,000 31,000 2,900 16,000 Nl3<7000 4,400 NIX130 ND<130 ND<130 ND<650 NA NA
<br /> 06-14-99 3739 140,000 22,000 26,006 2,700 14,000 1,100 900 NIX25 ND<25 ND<25 ND<130 NA NA
<br /> VW-3A 10-13-99 3923 83,000 6,400 7,200 1,900 9,200 11,000 8,400 ND<250 ND<250 ND<250 ND<1,300 NA NA
<br /> 03-31-00 3763 43-63 96,000 10,000 13,000 2,100 12,000 2,300 2,300 ND<50 ND<50 ND<50 ND<250 ND<50 120
<br /> 06-21-00 3692 65,000 7,200 7,500 1,500 8,900 6,500 7,800 ND<200 ND<200 ND<200 ND<1000 ND<200 ND<200
<br /> 10-27-00 3915 43,000 6,000 3,800 1,200 6,200 8,600 9,100 ND<170 ND<170 ND<170 ND<170 ND<170 ND<170
<br /> 02-07-01 3793 63,000 6,700 5,700 1,100 10,000 3,200 3,800 ND<50 ND<50 ND<50 NIX250 ND<50 78
<br /> 05-29-01 3739 39,000 3,900 3 300 970 6,400 1,200 1,100 ND<10 ND<10 ND<10 ND<50 ND<10 54
<br /> 08-14-01 3841 16,000 2,700 1,100 590 2,800 1,900 2,300 ND<50 ND<50 ND<50 ND<250 ND<50 ND<50
<br /> 12-11-01 4248 30,000 880 640 1,300 5,600 ND<25 110 ND<1 ND<1 ND<1 ND<5 ND<1 46
<br /> 03-06-02 4034 29,000 2,100 830 840 3,000 870 890 ND<10 ND<10 ND<10 62 NIX10 26
<br /> 06-05-02 4066 22,000 570 460 760 3,300 ND<25 18 ND<5 NDX5 ND<5 ND<200 ND<5 ND<5
<br /> 09-04-02 4188 1 22,000 560 360 1 820 3,500 1 ND<25 32 ND<5 I ND<5 ND<5 N13<200 I ND<5 ND<5
<br /> 06-21-00 3703 300,000 23,000 40,000 2,300 12,000 360,000 440,000 ND<1300 ND<1300 ND<1300 ND<6500 ND<1300 ND<1300
<br /> 02-07-01 3804 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<1 ND<1 ND<1 ND<1 ND<5 ND<50 ND<200
<br /> 05-29-01 3727 240,000 19,000 32,000 1,900 10,000 280,000 220,000 ND<1000 ND<1000 ND<1000 ND<5000 ND<1000 ND<1000
<br /> VW-3B 08-14-01 - 19-39 - - - - - -
<br /> 12-11-01 - - - - - - - - - -
<br /> 03-06-02 - - - - - - -
<br /> 06-05-02 - - - - -
<br /> 09-04-02 1 1 1 - -
<br /> Notes
<br /> ug/1 micrograms per liter(parts per billion)
<br /> TPA total petroleum hydrocarbons,EDB ethylene dibromide,1,2-DCA 1,2-dichloroethane
<br /> DIPE di-isopropyl ether,TAME tert-amyl methyl ether,TBA tert-butanol alcohol,ETBE ethyl tert-butyl ether,MTBE methyl tertiary butyl ether
<br /> NA not analyzed,ND not detected
<br /> < indicates constituents were not detected at a concentration greater than the reporting limit shown
<br /> t unmodified or weakly modified gasoline is significant
<br /> 11
<br /> Advanced GeoEnvironmental,Inc
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