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• TO <br /> Third Quarter 2003 Groundwater Monitoring and Analytical Data <br /> 7-Eleven Store#19976 <br /> 1399 North Main Street <br /> Manteca CA <br /> Well ID/ Ethyl- Dissolved <br /> Elevation Date Benzene Toluene Benzene Xylene TPHg MtBE TBA DIPE ETBE TAME Notes Oxygen DTW SPT WTE <br /> (YOGI Ipg1Ll (NgIL) (pglL) (p91L} (p9fL} (pglL) (pgfL) (pall-! (pUIL) WIL) {mgfL) Ifeet) {feet) {feed <br /> MW-1 09/15/03 30 <0 50 22 30 78 750 30 <0 50 <0 50 <0 50 60 2071 000 11 28 <br /> 3199 <br /> MW-1A 09/15/03 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <50 <0 50 <0 50 <0 50 55 21 16 000 1093 <br /> 3209 <br /> MW-2 09/15/03 1,100 370 970 5,700 40,000 810 540 <20 <20 <20 05 2006 000 11 14 <br /> 31 20 <br /> MW-3 09115/03 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <50 <0 50 <0 50 <0 50 30 2061 000 1126 <br /> 3187 <br /> MW-4 09/15/03 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <5 0 <0 50 <0 50 <0 50 93 2076 000 11 97 <br /> 3273 <br /> MW4A 09/15/03 <0 50 <0 50 <0 50 <0 50 <50 <0 50 <5 0 <0 50 <0 50 <0 50 27 21 20 000 11 28 <br /> 3248 <br /> MW-5 09/15/03 <0 50 <0 50 <0 50 <0 50 <50 160 43 <0 50 057 <0 50 06 2099 000 1089 <br /> 3188 <br /> MW-5A 09115103 <0 50 <0 50 <0 50 <0 50 <50 069 <5 0 <0 50 <0 50 <0 50 09 2088 000 1060 <br /> 31481 <br /> MW-6 09/15/03 <0 50 <0 50 <0 50 <0 50 <50 47 <5 0 <0 50 <0 50 <0 50 04 2242 000 11 23 <br /> 3365 <br /> MW-7 09/15/03 <0 50 <0 50 <0 50 <0 50 <50 261 <5 0 <0 50 <0 50 <0 50 06 r74 000 1071 <br /> 3245 <br /> Explanation <br /> TPHg=Total petroleum hydrocarbons-as gasoline TAME=Tert-amyl-melhyl ether pg]L=micrograms per liter <br /> MtBE=Methyl-tert buty$ether DTW=Depth to water mglL=milligrams per liter <br /> TBA=Tert butanol SPT=Separate-phase hydrocarbon thickness N/A=Not Applicable <br /> DIPE=Dusopropyl ether WTE=Water table elevation <br /> EtBE=Ethyl tert-butyl ether TOC=Top of casing elevation In feet above mean sea level <br /> Notes <br /> Samples analyzed using EPA Method 8260B <br /> e=Matrix Spike/Matnx Spike Duplicate Results for Benzene Toluene and MtBE were affected by the analyte concentration already present in the un spiked sample <br /> f=Samples from MW 5 and MW 5A inadvertently sampled from the wrong well casing on 3/11/03 and 6127103 The sample reported as MW 5 was collected from MW 5A and the sample <br /> reported as"MW 5A was collected from MW 5 <br /> I <br /> 7 Elevenl7-11 S1ore1140631Tables119976 03-30 As Page 1 of 1 <br />