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�e1 <br /> Groundwater Monitoring Data Page 3 of 3 <br /> ARCO Service Station No 0548,1612 Hammer Lane,Stockton,California <br /> Euenber <br /> Elevation Static Elevation <br /> pie of Top Water of Ethyl. Total Date of Casing Level Groundwater TPHG Benzene Toluene benzene Xylenes TOG Observatio <br /> MW-5(60) 02/15/95 937 4028 -3091 6,700 420 87 620 1 100 NS No FP,No S,0--NE <br /> MW-5(61) 05/12/95 937 3895 -29 08 5,000 560 110 400 600 NS No FP,No S Yes <br /> MW-5(60) 08/29/95 937 40 07 -3070 5,700 410 150 310 590 NS No FP,No S,Yes <br /> MW-6 <br /> MW-6(58) 12/16/93 895 4277 -33 82 <50 <0 5 <0 6 <0 5 <0 5 NA No FP,No S,No <br /> MW-6(39) 04/08/94 895 3973 -3078 28 4 8 3 9 3 9 2 2 NS No FP,No S,O--NE <br /> MW-6 06/22/94 895 4031 -3136 <10 <0 3 <0 3 <0 3 <0 5 NS No FP,No S,0--NE <br /> MW-6(43) 09/23/94 895 42 59 -3364 <50 <0 5 <0 5 <0 5 <0 5 NS No FP,No S,0--NE <br /> MW-6(46) 12102/94 195 41 ,16 -3271 <10 <0 5 <0 5 <0 5 <0 5 NS No FY,No S,�N <br /> MW-6(58) 07/15/95 895 4002 -3107 <50 <0 5 <0 5 <0 5 <0 5 NS No FP,No S,0= <br /> MW-6(58) 05112/95 895 3826 -2931 <50 <0 5 <0 5 <0 5 <0 5 NS No FP,No S,No <br /> MW-6(59) 08/29/95 S 95 3991 -30% **<52 <0 5 <0 5 <0 5 <0 5 NS No FP,No S,No <br /> Analytical results in parts per billion <br /> T?HG-Total petroleum hydrocarbons as gasoline <br /> Total oil and grease <br /> Elevation datum is mean sea level <br /> Measurements rn feet. <br /> NS-Not sampled NM-Not measured NE-Not evaluated <br /> '-Well paved over on 03/04/93 **-Raise MRL due to matrix interference <br /> ***-The sample contains a lower boiling point hydrocarbon mixture quantified as gasoline,the chromatogram does not match the typical gasoline fingerprint <br /> p-Bailer blank FP-Free product S- Sheen O-Obvious product odor <br /> Below detection linut for analytical methods used <br /> Sample designations <br /> MW4(34)-Well ID and sample de (feet) <br /> N kxis108r6l4002\101695E1 As Revision 1 1117/95 <br />