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Table 1 <br /> CUMULATIVE RESULTS OF GROUNDWATER SAMPLING AND ANALYSES <br /> ` QUIK STOP MARKET NO. 132 <br /> 2555 WEST HAMMER LANE <br /> STOCKTON, CALIFORNIA <br /> ' ATC PROJECT NO. 75.62503.0003 <br /> Ethyl- Total I I I Well I Depth to I Groundwater' <br /> Date TPH-G Benzene Toluene benzene Xylenes MTBE CO2 Elevation Groundwater Elevation <br /> ' Sampled (ug/L) {ug/L} (ug/L) F {ug/L} (ug/L) (ug/L) (mglL) (ft above MSL) (feet) (ft above MSL) <br /> Well MW-2 <br /> 09/14/90 <50 l <0.50 2.7 5.3 3.29 14.92 -11.63 <br /> 04/08/91 <50 <0.50 <0.50 <0.50 <0.50 14 10.71 - <br /> 07131191 <50 <0.50 <0.50 <0.50 <0-50 15.1 -11.81 <br /> 09/11/91 <50 <0.50 <0.50 <0.50 <0.50 15.32 -12.03 <br /> 12/18/91 -- <50-_ <0.50 - <0.50 <0.50 - <0.50 - - 15.46 _ -12.17 <br /> 03/18/92 <50 0.6 1 <0.50 1.4 14.53 11.24 <br /> 06/16/92 - <30 <0.50 <0.50 <0.50- <0.50 14.96 -11.67 <br /> - 09/22/92 - <10 0.7 1.5 <0.50 <0.50 - 18.06 -14.77 <br /> 12/21/92 <50 0.6 1.1 <0.50 W <0.50 - 16.24 -12.95 <br /> 03/17/93 - <50 <0.50 0.7 <0.50 <0.50 12.69 -9.4 <br /> 06/18/93 T <50 <0.50 <0.50 <0.50 <0.50 11.97 -8.68 <br /> 09/23/93 <50- <0.50 <0.50 <0.50 <0.50 - 13.25 -9.96 - - <br /> 12/17/93 <50 <0.50 <0.50 <0.50 <0.50 13.08 -9.79 <br /> -03/25/94 - -<50 <0.50 <0.50 <0.50- <0.50_ 12.7 ----9.41 -- <br /> 06/21/94 <50 - <0.50- <0.50 <0.50 _ <0.50 12.6 -9.31 <br /> 09/13/94 -<50 x0.50 V<0.50- <0.50 <0.50 1295 -9.66 <br /> 12/09/94 <50 <0.50 <0.50 <0.50 <0.50 13.55 -10.26 <br /> 03/16/95 -- 350 --�5.9 T 14 -- 16- 79 11.18 -7.89 <br /> ' 06/22/95_ -<50 <0.50 _'-<0.5-0 - <br /> <0.50 - <0S0 11.18 -7.89 - <br /> 09/26/95 <50 <0.50 <0.50 <0.50 <0.50 480 12.21 -8.92 <br /> 12/21/95 <50 <0.50 <0.50 <0.50 <0.50 500 12.07 -8.78 <br /> ' 03/06/96 J <50 <0.50 <0.50 <0.50_- <0_50 6.4 460 10.6 -7u31 T <br /> 06/04/96 -<50 <0.50 <0.50 <0.50 <0.50- <2.5 NR 10.15 -6.86 <br /> 09/17/96 T NR NR - NR� NR NR NR NR 11.1 7.81 <br /> ' 12/09/96NR NR- NR NR -- NR - NR NR 11.15 -- -7.86- <br /> ()2/11/97-- NR NR NR NR - NR NR NR 8.62 -5.33 <br /> 06/09/97 NR NR NR� NR NR NR NR NA NA <br /> 09/03/97 NR NR - NR NR NR NR NR_ E0.24 -6.95 <br /> ' 12/04/97 - --NR - --NR <br /> NR-- NR NR -NR _ NR v �- --- 10.64 -- ^--7.35 T <br /> 03/10/98 NR NR _NR - NR NR TNR NR 6.$6T 3,57 <br /> 06/08/98 <50 <0.5 <0-5 <0.5 <0.5 6,600 NR 7.71 -4.42 <br /> ' 09/22/98- _290 0.57_- <0.5 <0.5 ---<0.5 18,000 NR 9.16 _ 5_87 - - <br /> 12/03/98 270 <0.5 <0.5 <0.5- <0.5 24,000 NR 9.39 -6.10 <br /> 03/17/99 340 <0.5 <0.5 <0.5 <0.5 21,100 NR 8.74 -5.45 <br /> 06/07/99 18,000 <100 <100 <100 <100 8,400 NR 8.31 -5-02 T <br /> -.09/02/99 2,100 8.6 <2.5 Q.5 <2.5 11,000 NR 9.47 -6.18 <br /> 12/09/99 8,200 <50 <50 <50 T- <50 11,000 NR 3.28 9.91 -6.63 <br /> -03/27/00 <5,000 <50 <50 <50 <50 7,100 NR 7.26 -3.98 <br /> 06/15/00 1 1.400 <12.5 <12.5 <12.5 W<12.5 5,500 NR 8.0 <br /> 8 x.80 <br /> ' J:�I.Pwg,ss%Quik Swy(62503)%QS 132((013ff.bkslGmund.acr Moniw�ing T�61csV4is[0rical Page 2 of 8 <br />