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Ta42 <br /> Histoncal Groundwater Monitoring and Analytical Data <br /> 7-Eleven Store#17334 <br /> 4501 North Pershing Avenue <br /> Stockton CA <br /> F <br /> ll IDI Ethyl- MtBE Dissolveation Date Benzene Toluene Benzene Xylene TPHg TPHd 8020 MtBE TBA DIPE EtBE TAME Notes Oxygen DTW SPT WTE <br /> OC (H L) (Pg (NgRI {NglL) (pglL) (PgILI ( R) {µglL) {�gIL) {FrglL) ({g!L} (pgR} {m LI feet► (feet) (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 /> GPT 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 /> 734 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 15 1443 000 -709 <br /> 08/25/98 -- -- -- -- -- .. _ _ _ _ _ - _ _ <br /> Well destro ed 08/14/98 and replaced by MW-5A on 08/25/98 <br /> MW-1A <br /> 7 26 12/19/97 41 88 56 270 2,600 280 350 <100 <25 <25 <25 01 1888 000 -1162 <br /> 03/22198 15 61 13 65 560 -- -- 360 <500 <25 <25 <25 02 1423 000 -697 <br /> 06/15/98 86 89 084 63 <100 -- -- 31 <100 <5 <5 <5 18 1437 000 -711 <br /> 08/25/98 -- -- -- -- -- <br /> Well destroyed 08/14/98 and re laced by MW-513 on 08/25/98 <br /> 117-ElevenV 11 Stores1173341Tables117334 Current Groundwater AsHrstoncal Water Page 1 of 7 <br />