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iP <br /> 10 11,111 1111 1 c <br /> f <br /> Table 1 <br /> Summary of Results of Ground hater Sampling .:;� *� <br /> Chevron Service Station J 9-4275 u <br /> 2905 West Benjamin Holt Drive, Stockton, California <br /> Concentrations in parts per billion (ppb) <br /> WELL DATE OF CASING DEPT}{ GROUND TPk-G TOG 8 T E X 1.2 1.2 F113 LAB <br /> Ip SAMPLING/ ELEVATION TO WATER - DCA DCB <br /> MONITORING WATER ELEVATION .��� {& <br /> MW-5 03-22-89 3.79 17.18 -13.39 4000 N00000 35 23 110 760 NDc2.0 10 20 CCAS <br /> MW-5 05-12-89 3.79 17.80 -14.01 900 --- 24 2 2 S3 NDc0.2 NDc0.2 NDcl CCAS a <br /> MW-S 09-07-89 3.79 19.11 -15.32 410 --- .16 4 1., SO NDcO.2 ND40.2 NDcl CCAS <br /> MW-50 09-07-89 3.79 19.11 -iS.32 390 --- 15 4 !1 49 ND0.2 ND0.2 NDcl CCAS <br /> MW-S 12-18-69 3.79 18.63 -14.64 2900 --- 24 22 100 590 --- --- --- PACE Y „ <br /> MW-S 03-20-90 3.79 18.19 -14.40 3400 --- 37 29 120 630 --- --- --- PACE <br /> NW-5 07-03-90 3.79 19.43 -15.64 5500 --- 65 89 200 1200 --- --- --- PACE <br /> MW-5 10-19-90 3.79 20.04 -15.25 5900 --- 55 82 190 1100 --- --- --- PACE f_ <br /> TB 03-22-89 NA NA NA ND4500 - NDe0.2 NDe0.2 NDe0.2 ND40.4 ND40.1 ND43.2 ND-1 CCAS <br /> TS 06-12-89 NA NA NA NDc50 --- NDc0.2 NDtO.5 ND40.1 ND40.2 NDc0.1 ND40.1 NDc0.5 CCAS r , <br /> TE 09-07-69 NA NA NA NDc50 --- ND41.0 ND40.5 ND40.1 NDe0.2 ND40.1 ND40.1 ND40.5 CCAS j <br /> TB 12-18-89 NA NA NA NDc50 NDAG.S NDc0.5 NDcO.S ND40.5 ND40.5 ND40.5 PACE <br /> TB 03-20-90 HA NA NA NDc50 --- ND40.5 ND0.5 NDe0.5 ND40.5 NDe0.5 N0e0.5 NDeO.2 PACE !t <br /> TO 07-03-90 NA HA NA NDc50 --- NDc0.5 NDcO.5 ND40.5 ND40.5 --- PACE % <br /> TB 10-19-90 --- --- --- ND450 --- NDe0.5 ND0.5 ND40.5 ND40.5. --- ___ --- PACE <br /> nINSAT6 07-03-90 NA NA NA ND(SO --- NDe0.5 NDe0.5 NDc0.5 NDe0.5 PACE ti <br /> RINSATE 10-19-90 --- --- --- NDc50 --- NDe0.5 NDc0.5 ND40.5 ND40.5 --- --- --- PACE <br /> k <br /> ---------------- <br /> KXPLANA7ION OF ABBREVIATIONS: ---------- <br /> Tili-O :Total'Petroleum Hydrocarbons as Gasoline --- :Hot Analyzed/Not Measured ; <br /> TEPA method 801.5 n.:aified' D :Duplicate <br /> TOO :Total Oil and Grease (EPA method 503D & 5036) NA :Not Applicable/Not Available . P <br /> B !Benzene (EPA method 6020 or 8240) ND :Not Detected A. <br /> T :TolueneA EPA method 8020 or 8240) TB :Trip Blank } <br /> E :8thvlbenzene (EPA method 8020 Or 8240) SAL :Superior Analytical Labs <br /> X :Xylenes (EPA method 8020 oe 8240) CCAS :Central Coast Analytical Service <br /> 1.2-DCA :1. 2-Dichloroethane PACE :PACE Labs <br /> 1',2-DC8 :1. 2-Dichlorobenzene <br /> F113 :Freon 113 <br /> Note: TOP of Casing and Ground Water Elevations are rxpressed as feet above ocean sea leve-1 (NCVD - 1929). <br /> -------------------------------------------- ------------------------------------------------------------------------- ------ ' <br /> k <br /> dip[ <br /> fr <br /> 10-Jan-91 <br /> Page 2 , <br /> �k <br /> r F4k <br />