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Table 2 <br /> Historical Groundwater Monitoring and Analytical Data <br /> 7 Eleven Store#17334 <br /> 4501 North Pershing Avenue <br /> Stockton CA <br /> Well ID! Ethyl- MtBE Dissolved <br /> Elevation Date Benzene Toluene Benzene Xylene TPHg TPHd 8020 MtBE TBA DIPE EtBE TAME Notes Oxygen DTW SPT WTE <br /> OC {Wgn) (ug/L) IlKill.) { } WWI.) (Ygn) (}igrl-) (Ijg«) (Ngn) (IWC) (Nt/-) (lig/L) mgll) ft-et beet (feet) <br /> Groundwater Grab Samples <br /> GP3 02/20/97 21 <0 5 <0 5 055 930 - 1,700 <br /> GP4 02/20/97 9,100 33,000 3,900 24,000 150,000 - 100,000 84,000 <br /> GP7 02/20/97 <0 5 <0 5 <0 5 <0 5 <50 <5 <br /> SB-1@50' 04/03/02 28 180 100 650 7,100 - - 67 <50 <20 <20 <20 - -- _ <br /> Monitoring Well Samples <br /> MW-1 <br /> 7 34 12/19/97 1,200 1,100 580 1,500 15,000 9,900 14,000 <4,000 <1,000 <1,000 <1,000 02 18 93 0 00 -11 59 <br /> 03/22/98 2,200 3,400 880 3,200 23,000 - 11,000 <10,000 <500 <500 <500 02 1430 000 -696 <br /> 06/15/98 5,000 7,200 1,700 8,800 52,000 21,000 <10,000 <500 <500 <500 1 5 1443 000 -709 <br /> 08/25/98 _ <br /> d 08/14/98 and replaced by MW-5A on 08/25/98 _ <br /> MW-IA <br /> 726 12/19/97 41 88 56 270 2,600 - 280 350 <100 <25 <25 <25 01 1888 000 -11 62 <br /> 03122/98 15 61 13 65 560 - 360 <500 <25 <25 <25 02 1423 000 -697 <br /> 06/15/98 85 89 084 63 <100 - 31 <100 <5 <5 <5 18 1437 000 -7 11 <br /> 08/25/98 - - _ _ _ _ _ <br /> d 08/14/98 and replaced by MW-515 on 08/25/98 <br /> i <br /> I <br /> 117-Elevenl7-11 Stores1173341Tables117334 04-1QH6toncal Water Page 1 of 6 <br />