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Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station No 2130 <br /> 7906 N EL Dorado Street, Stockton, CA <br /> TOG Depth to Water Level Ethyl- Total <br /> Well Date P! Elevation Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes MtBE DO <br /> Number Sampled NP (feet msl) (feet bgs) (feet msl) (pg1L) (pg1L) (pg1L) (pg/L) (pg1L) (pg1L) (pg1L) (mg1L) Comments <br /> VW-9 06/23/2004 NP - -- — _ _ _ — _ — — — Well Dry,Not Sampled <br /> 09/20/2004 -- -- - - — — — -- -- — — — Well Dry,Not Sampled <br /> 1212012004 — _ _ _ _ — _ _ _ — -. Not Sampled,Well Dry <br /> VW-10 12/19/2002 — — 4159 — 14 000 -- 2,800 890 890 3,600 <10 0[2] — <br /> 03/06/2003 P — 3913 -- 20,000 — 2,600 260 1,300 4,900 <50[2] 23 <br /> 06111/2003 P — 3866 — 14,000 — 1,600 39 1 100 3,300 <25[2] 392 <br /> 09/24/2003 P — 4270 — 2,800 -- 180 74 270 480 <5 0[2] — <br /> 1 2/1 012 003 P — 4161 — 20,000 -- 3,200 J 720 J 2,100 J 6,800 J <5012] — <br /> 03/08/2004 P — 3919 — 1,500 -- 110 <2 5 62 <2 5 <2 512] 276 <br /> 06/24/2004 NP — 4402 -- 150 - <25 <2 5 <2 5 <25 2 8[2] — Water levels taken on <br /> 6123/04 <br /> 09/20/2004 P -- 4815 — 640 — 84 76 37 140 <2 5[2] 0 8 <br /> 12/2112004 P — 4457 _ 34,004 -- 2,600 J 4,400 J 2,300 J 7,000 J <50[2]UJ 0 3 Water Level Data <br /> 12120/04 <br /> VW-11 12/19/2002 - — 4128 -- 55 — 51 <0 50 064 <0 50 0 98[2] -- <br /> 03/06/2003 P -- 3904 — 110 — 1 2 <0 50 051 18 <0 50[2] 1 8 <br /> 06/11/2003 P — 3857 -- <50 — <0 50 <0 50 <0 50 <0 50 <0 50[2] 396 <br /> 09/24/2003 P -- 4261 — 74 — <0 50 <0 50 <0 50 <0 50 8 0[2) — <br /> 12/10/2003 P — 4132 -- 180 -- 1 3 <0 50 21 1 3 12[2] — <br /> 03/08/2004 P — 3911 -- 460 -- 0 55 J <0 50 1 6 J 90 J 20[2]J 251 <br /> 06/23/2004 P — 4400 — <50 — <0 50 <0 50 <0 50 <0 50 <0 50[2] 141 <br /> 09/20/2004 P — 4816 — 420 -- 27 <0 50 32 13 0 63[2] 10 <br /> 12/20/2004 P — 4527 — 1,000 J — 48 J <0 50 120 J 55 0 69[2] 199 <br /> VW-12 5/20/1997 -- — 4378 -- 1,500 -- 150 1 58 <1. <6. — No FP,No S <br /> 9/1/1996 — - 4065 — NA — NA NA NA NA NA — <br /> 12/2/1998 -- -- 3766 — NA — NA NA NA NA NA — <br /> 3/31/1999 — -- 3757 -- NA — NA NA NA NA NA — <br /> 6/4/1999 — — 3536 — NA -- NA NA NA NA NA — <br /> 9/2/1999 -- -- 3993 — NA — NA NA NA NA NA — <br /> 11/29/1999 -- — 3809 — NA -- NA NA NA NA NA -- <br /> 3/16/2000 — — 3423 -- NA — NA NA NA NA NA — <br /> 6/26/2000 — -- 3668 -- NA — NA NA NA NA NA — <br /> Pa a 20 of 12 <br /> Report Date January 31,2005 g <br />