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s • s <br /> Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station No 2186 <br /> 3212 N California Street, Stockton, CA <br /> TOC 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) (4/1-) (pg1L) (pglL) (pg1L) (pg/L) (pg/L) (pg1L) (mg/L) Comments <br /> VW-3A 9/13/2001 - 1502 3610 -21 08 NS — NS NS NS NS NS -- No FP,No S <br /> 12/11/2001 — 1502 3585 -2083 NS — NS NS NS NS NS - No FP,No S <br /> 3/14/2002 - 1502 3589 -2087 NS — NS NS NS NS NS INo FP,No S <br /> 6/19/2002 — 1502 3590 -2088 NS — NS NS NS NS NS -- No FP,No S <br /> 9/12/2002 — 1502 -- -- NS — NS NS NS NS NS -- No FP,No S <br /> 12/3/2002 -- 1502 3585 -2083 NS -- NS NS NS NS NS -- No FP,No S <br /> 03/11/2003 — 1502 -- — -- -- - — — -- — -- Not Sampled <br /> 06/09/2093 — 1502 -- — — — - - — — -- — Well Dry <br /> 09/17/2003 -- 1502 — — -- — -- -- — - -- — Well Dry <br /> 12/11/2003 — 1502 — — -- — -- — — -- — -- Not Sampled <br /> 03/10/2004 -- 1502 — -- -- - — -- -- — -- Not Sampled <br /> 06/17/2004 -- 1399 -- - — — — -- — — -- — Not Sampled,Well Dry <br /> 0912312004 -- 1399 — I _ — _ — _ — -- — -- Not Sampled,Well Dry <br /> VW-313 5/23/1996 -- 1501 4576 -3075 290 — <05 <05 <0 5 <0 5 <30 -- No FP,No S <br /> 9/19/1996 -- 1501 5402 -3901 310 - <05 <0 5 <05 <0 5 <30 — No FP,No S <br /> 11/27/1996 -- 1501 51 15 -3614 280 - <05 <05 <0 5 <05 <30 -- No FP,No S <br /> 3/21/1997 — 1501 4249 -2748 180 - <05 <0 5 <0 5 <0 5 <30 — No FP,No S <br /> 5/22/1997 — 1501 4428 -2927 240 -- <0 5 <0 5 <0 5 <05 <30 -- No FP, No S <br /> 8/20/1997 — 1501 5021 -3520 200 — <0 5 <0 5 <0 5 <05 <50 -- No FP,No S <br /> 11/20/1997 -- 1501 4946 -3445 160 -- 46 44 26 67 <5 0 — No FP,No S <br /> 2/17/1998 — 1501 4472 -2971 93 — <0 5 <05 <0 5 <05 <5 0 -- No FP, No S <br /> 6/24/1998 - 1501 3628 -21 27 <50 -- <0 5 <05 <0 5 <0 5 <50 -- No FP,No S <br /> 9/21/1998 — 1501 3969 -2468 227 — 456 <0 5 222 324 159 — No FP,No S <br /> 12/14/1998 - 1501 3790 -2289 571 -- <0 5 <0 5 <0 5 105 <50 -- No FP No S <br /> 3/31/1999 — 1501 3581 -2080 <50 — <05 <0 5 <0 5 <0 5 <50 — No FP,No S <br /> 6/11/1999 -- 1501 3460 -1959 152 -- 19 <0 5 699 162 186 — No FP,No S <br /> 9/10/1999 — 1501 3877 -2376 1,210 — 546 <0 5 545 137 1,590 — No FP No S <br /> 12/3/1999 -- 1501 3876 -2375 804 - <05 <05 <0 5 <0 5 149 -- No FP,No S <br /> 4/3/2000 -- 1501 3545 -2044 <50 -- 338 <05 186 562 296 -- No FP,No S <br /> 6/22/2000 — 1501 3551 1 '2050 1,690 -- 848 384 227 432 3,180[4] -- No FP,No S <br /> 9/27/2000 — 15 01 4081 -2580 NS — NS NS NS NS NS — No FP,No S <br /> 10/19/2000 — 15 01 4064 -2563 NS — NS NS NS NS NS — No FP,No S <br /> 12/20/2000 -- 1501 3871 -2370 1 <50 <0 5 1 <0 5 <0 5 1 <0 5 1 26 5[4] No FP,No S <br /> Report Date October 25,2004 Page 9 of 11 <br />