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Table <br /> HISTORICAL GROUNDWATER ANALYTICAL RESULTS AND MONITORING DATA <br /> FORMER CHEVRON SERVICE STATION NO 9-6465 <br /> 5608 NORTH PERSHING AVENUE STOCKTON CA <br /> LLID1 ETHYL- <br /> ELEVATION BENZENE TOLUENE BENZENE XYLENES TPH-G 1,2-DCA DTW SPT WTE <br /> OC DATE b b b b b b feet feat feet <br /> MW-10 <br /> 741 03/19/90 <br /> 04111190 No NO N N <br /> 051!09/90 NO NO ND NO N 3538 N -2797 <br /> 10127!90 1 1 NE i H 3735 N -2994 <br /> 01/19/91 07 3 2 12 110 3750 N -3009 <br /> 07121/91 ND NE NE N E N 38 049 N -30 68 <br /> 10/17/91 NO NE NE NE N 3822 N -3081 <br /> 01/09/92 NO NE NE NC N 3644 N -29w <br /> 03/19/92 ND NE NE NE NE 3584 N -2843 <br /> 07101102 No NC N1 NE NC 37,58 N -30,17 <br /> 09/16/92 NO NO NE NO NE 3886 N -3145 <br /> 01/05/83 NO NO NE NO NE 3121 tJ -29,80 <br /> 06/24/93 NO NO NE NO NE 3402 000 -2661 <br /> 09102/93 NO NO NE NO NE 3514 000 -2773 <br /> 12/30/93 NO 0 5 NO NO NE 3451 000 -2710 <br /> 03/25194 NO 07 NO 07, NE 3335 000 -2594 <br /> 06/02/94 ND NO NO NO NE 3303 000 -2562 <br /> 49/02194 NO Nb NO NO NE 3482 000 -2741 <br /> MW-11 <br /> 784 03/19/90 <br /> 04111/90 NO NO NO N <br /> 05/09/90 NO NO ND NO ND 3658 N -2874 <br /> 08/17190 05 NO NO NO 8 <br /> 10/22/90 <br /> 01119/91 1 4 2 17 140 3892 N -3108 <br /> 07/21/91 NO NO NI NO NE 3957 N -3173 <br /> 10117/91 ND NO NE NE NE 3977 N -3193 <br /> 01/09/92 NE NE NE NE NE 3785 N -3001 <br /> 03119/92 NC NE Nt NC NE 3720 N -2936 <br /> 07/01/92 NE NE NE NE NE 3912 N -3128 <br /> 09/16/92 NE NE N NE NE 4047 N -32.63 <br /> 01/05/93 NE NE NO NE ND 3860 N -3076 <br /> 06/24133 NE NE NO NC NC 35:34:: 000 -27.60 <br /> 09/02/93 ND NE NO NE NE 3660 000 -2876 <br /> 12/30/83 NO NE NO NE NE 3496 000 2712 <br /> 03/25/94 08 11 NO is 50 3359 000 -2575 <br /> 06107194 ND NE N NE NE 33 32 000 -2548 <br /> 09/02/94 ND NE N NE NC- 3533 000 -27 49 <br /> Page 5 of 5 <br /> Explanation <br /> All elevations are given as feet above mean sea level <br /> TPH-G=Total petroleum hydrocarbons-as-gasoline <br /> 1,2-DCA=1,2-Dichloroethane <br /> DTW=Depth to water <br /> SPT-Separate-phase hydrocarbon thickness <br /> WTE=Water table elevation <br /> TOC=Top of casing <br /> ppb=Parts per billion <br /> NA=Not available <br /> ND=Not detected at or above minimum quantitation limits <br /> —=Not analyzed,not gauged <br /> •=Toluene concentration of 0 7 ppb reported in travel blank <br /> Note See laboratory reports for minimum quantitation limits <br /> GARTABI WK1 <br /> _ilk GROUNDWATER <br /> IE <br /> IF TECHNOLOGY, INC <br />