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Table 2 <br /> Historical Groundwater Monitoring and Analytical Data <br /> 7-Eleven Store 014117 <br /> 2725 Country Ckrb Boulevard <br /> Stockton CA <br /> 7n15 <br /> �_=ai c� rli ;" Ethyl MtBEi : '' 1,2'$? i4leth=E EttrrDate r 3enzerls Toluene' Benzone Xylone TP+tg 8020' Mt8E TBA OIPE EtBE TAME DCA EDB �-ennl - "analw 1'_Ga e, Notes=Qxygeri D7W SPT- WTE <br /> lL � ri1L 1L IPA fLl fL fL IL IL !L IL Ili 1E 1L A tL m feet fent feet<0 5 <0 5 <50 <5 <20 <5 <5 <5 <5 <5 - - 10 1D20 000901 <br /> 1!05!01 <p 5 <0 5 _ -- - _ - 09 000 -- <br /> 1108!02 - - -- - -- - <br /> 04/12102 <0 5 <0 5 <0 5 <0 5 <50 <5 24 <5 <06 <0 5 <0 5 - 10 747 000 -594 <br /> 07/09102 <0 5 <0 5 <05 <0 5 <50 <5 24 <5 <0 5 <0 5 <05 1 1 790 000 -637 <br /> 10(16102 <0 5 <0 5 <0 5 <0 5 <50 <5 052 15 <0 5 <0 5 <0 5 — 10 943 000 -790 <br /> <5 0 <0 50 <0 50 <0 50 1 2 7 67 0 00 -6 14 <br /> 03117103 <0 50 <0 54 <0 50 <0 50 110 -- 8 6 - <br /> 05129103 <0 50 <0 50 <0 50 <0 50 <50 42 <5 0 <0 50 <0 50 <0 50 14 794 000 641 <br /> <0 50 <0 50 <0 50 <0 50 160 36 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 <50 <50 <50 23 954 000 -856 <br /> 0 98 09118103 < <0 50 <0 50 <0 50 <50 <5 0 - 0 1 909 0 00 -8 11 <br /> 12J02103 <0 50 <Q 50 <0 50 <0 50 <50 -- 17 <5 0 <0 50 0 50 <br /> D3103104 40 50 <0 50 <0 50 <0 50 <50 054 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 - - d 02 668 000 -570 <br /> MB9104 - - <br /> MW-8 <br /> 190 09/16/03 25 130 64 340 3,200 22 <5 0 <0 50 <0 50 <0 50 <0 5D <0 50 <50 <5 0 <80 C 08 1061 0 QO -871 <br /> 12/02/03 22 43 47 13 320 079 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 <50 <5 0 -- 00 985 000 -795 <br /> 03!03104 56 140 59 360 2,500 67 140 <0 50 <0 50 <0 50 <0 50 <0 50 - - d 03 747 000 -557 <br /> 06/09104 85 200 63 370 3,500 110 130 <0 50 <0 50 <0,50 <0 50 <0 50 - 02 899 000 -7119 <br /> Exptanatwn <br /> TPHg.Total petrdeum hydrncaTb--as•9asolWO TAME a TeR-emybrnetliyt ether TOC=Top of caanp elevat+an In feetaUmre mean sea level <br /> MTBE c Mealy!-tert-butyl ether 1z-OCA=S 2-dichloroethane pg/L=mrtrngrems per Iver <br /> TBA-Teri Sutanot F-D8=1 2-drbromonthane nV/L=margrams par Rar <br /> RIPE•Dilsoprvpyl ether DTW-Depth to water -■Not sampied/nol measured <br /> ELBE-Ethyl-ten-butyl ether SPT a Separate-phase hydracarbon thickness <br /> WTE=Water table elevation <br /> Nates <br /> Fgstoneal data pnor to 03117103 sample date provided bi Shaw Eat BTEY TPH9 and MTBE analyzed usrrg EPA Method 6020/9015 Muddied <br /> Samples enetyzed using EPA Method 82608 SU"with 03117/03 sampie data <br /> a-Method Blanc Canarrinaken The associated method dank contains the target analyte at a reportable level <br /> b=MaUUc Sprke/Malra Spike Dupocate tar the analytes Benzene MIRE was affected by the analyte concentrations already Present in the un-spiked sample <br /> e e The Method Reporting Lua6 for Acetone has been Increased due to the presence of an interfering compound <br /> d=Matrix Spr"kematrix Spike nuplkate ReWLs for the analyte MtBE were affecled by the analyte conomtratlons already present In the wn spdcsd sample_ <br /> o e Hydrocarbons reported as TPHg do not etdttbk a typical Gasakna chrornalogrBOWC pattern <br /> Page 8 of 8 <br /> IV-Severn?11 Store3514117tTeble014117 04,20JU14151orxal Water <br />