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s TAR 1 • <br /> Groundwater Elevation and Analytical Data ` <br /> ARCO Service Station No 2186 <br /> 3212 North California Street,Stockton,California <br /> TOC Static Water[1] Screen Groundwater Ethyl- Total <br /> Well Sample Elevation Level Interval Elevation Groundwater TPHg Benzene Toluene benzene Xylenes MtBE[3] <br /> Sample No Date ft msl ft b s ft b s ft msl Flow Direction pq1L pg/L N9/L yq1L p L Observations <br /> MW 3 9/25/1995 1455 5790 55 3-74 3 4335 SE <50 <0 5 <0 5 <0 5 <0 5 NA No FP No S <br /> 10/23/1995 NM NM NA NA NA NA NA NA Not observed <br /> 12/22/1995 5359 -3904 E <50 <0 5 <0 5 <0 5 <0 5 NA No FP, No S <br /> 2/16/1996 4999 3544 E <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S <br /> 5/23/1996 4519 3064 E <50 <0 5 <0 5 <0 5 <0 5 <3 0 No FP,Na S <br /> 9/19/1996 5326 3871 NE <50 <0 5 <0 5 <0 5 <0 5 <3 0 No FP,No S <br /> 11/27/1996 5051 3596 SE <50 <0 5 <0 5 <0 5 <0 5 <3 0 No FP,No S <br /> 3/21/1997 41 97 2742 SE <50 <05 <0 5 <0 5 <0 5 <3 0 No FP, No S <br /> 5/22/1997 4361 2906 E NE <50 <0 5 <0 5 <0 5 <0 5 <3 0 No FP,No S <br /> 8/20/1997 4943 -3488 E NE <50 <0 5 <0 5 <0 5 <0 5 <50 No FP,No S <br /> 11/20/1997 4882 3427 E <50 <05 <0 5 <0 5 <0 5 <50 No FP No S <br /> 2/17/1998 4418 -2963 E SE <50 <0 5 <0 5 <0 5 <0 5 <50 No FP,No S <br /> 6/24/1998 3559 -2104 E <50 <0 5 <0 5 <0 5 <0 5 <5 0 No FP,No S <br /> 9/21/1998 3907 2452 E-NE <50 <0 5 <05 <0 5 <0 5 <50 No FP,No S <br /> 12/14/1998 3714 2259 E-NE <50 <0 5 <0 5 <0 5 <0 5 <50 No FP,No S <br /> 3/31/1999 3422 1967 N NE <50 <0 5 <0 5 <0 5 <05 <50 No FP,No S <br /> 6/11/1999 3401 1946 E NE <50 <0 5 <0 5 <0 5 <0 5 <50 No FP, No S <br /> 9/10/1999 3810 2355 E NE <50 <0 5 <0 5 <0 5 <0 5 <50 No FP,No S <br /> 12/3/1999 3812 2357 E <50 <0 5 <0 5 <0 5 <0 5 <2 5 No FP,No S <br /> 4/3/2000 3485 2030 NE <50 <0 5 <0 5 <0 5 <0 5 <50 No FP,No S <br /> 6122J2000 3490 2035 E <50 <20 <2 0 <2 0 <2 0 <2 0[4] No FP,No S <br /> 9/27/2000 4007 -2552 E-NE <50 <0 5 <0 5 <0 5 <0 5 4 98[4] No FP,No S <br /> 10/19/2000 3996 -2541 E-NE NA NA NA NA NA NA Not observed <br /> 12/20/2000 3811 -2356 E-NE <50 <0 5 <0 5 <0 5 <0 5 <2 5 No FP,No S <br /> 3/16/2001 3703 2248 E NE <50 <0 5 <0 5 <0 5 <0 5 <2 0{4] No FP,No S <br /> 6/21/2001 3970 2515 NE <50 <0 5 <0 5 <0 5 <0 5 <2 0[4] No FP,No S <br /> 9/13/2001 4540 3085 E NE <50 <0 5 <0 5 <0 5 <0 5 <2 0 j4] No FP, No S <br /> 12/11/2001 4281 2826 NE <50 <0 50 <0 50 <0 50 <0 50 <2 0[4] No FP, No S <br /> 3/14/2002 3976 2521 E NE <50 <0 50 <0 50 <0 50 <0 50 <0 50[4] No FP No S <br /> 6/19/2002 41 97 2742 E NE <50 <0 50 <0 50 <0 50 <0 50 <0 50[4] No FP,No S <br /> 9/12/2002 4878 -3423 E-NE <50 <0 5 <0 5 <0 5 <0 5 <0 5 No FP,No S <br /> 12/3/2002 4597 3142 E-NE <50 <0 5 <0 5 <0 5 <0 5 <0 5 No FP,No S <br /> 3/11/2003 4639 3184 NE <50 <0 5 <05 <0 5 <0 5 <0 5 No FP,No S <br /> 6/9/2003 4318 2863 E NE <50 <0 5 <0 5 <0 5 <0 5 <0 5 No FP,No S <br /> 9/16/2003 5086 -3631 NE <50 <0 5 <0 5 <0 5 <0 5 <0 5 No FP,No S <br /> 12/11/2003 46 20- -3165 _ NE-SW <50 <0 5 <0 5 <0 5 084 081 No FP,No S <br /> K%WpracessV5 BP ARC0502186%Ouartedy%4 OTA 03+2186 GWMR 4003 Page 3 of 8 <br />