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Table 1 ,
<br /> Groundwater Elevation and Analytical Data
<br /> Former ARCO Service Station No 2168
<br /> 441 W Charter Way, Stockton CA
<br /> Top of Depth to Water Level Ethyl- Total
<br /> Well Bate PI Casing Water Elevation TPHg TPHd Benzene Toluene benzene Xylenes ME DO
<br /> Number Sampled NP Elevation (feet bgs) (feet msl) (ugIL) (pg1L) (YgIL) (ErgIL) (ug1L) (ug1L) (991L) (mgIL) Comments
<br /> MW-2 02/12/2003 P 1083 2469 -1386 400 -- 30 1 1 34 35 <0 50 112
<br /> 05/29/2003 - 1083 - - -- - -- - -- - -- - Not Sampled
<br /> 08/04/2003 P 1083 2345 -1262 430 R -- 29 17 32 76 <0 50 33
<br /> 11/03/2003 P 1083 2448 -1365 650 -- 74 <10 12 11 <10 149
<br /> 02109!2004 P 10 83 24 26 -1343 <50 -- <0 50 <0 50 <0 50 <0 50 <0 50 107
<br /> MW-3 2/16/1995 - 958 3624 -2666 37,000 -- 14,000 340 2,100 470 NA NA (53)
<br /> 5/17/1995 -- 958 3149 -2191 39,000 - 13,000 1,200 2,100 1,500 NA NA (53)
<br /> 8/15/1995 - 9 58 31 06 .2148 31,000 -- 11 000 220 1,800 910 NA NA (53)
<br /> 11/29/1995 -- 958 3125 -2167 41,000 - 10,000 350 1,900 860 NA NA (53)
<br /> 2/27/1996 --
<br /> -958 2851 -1893 36,000 - 10,000 510 1,800 990 NA NA
<br /> 5/15/1996 958 2682 -1724 40,000 - 12,000 690 2,000 1,300 <500**[1] NA (53)
<br /> 8/22/1996 - 958 2735 -1777 53,000 -- 14,000 2,000 2,400 2,900 <500*[1] NA
<br /> 11/25/1996 -- 958 2766 -1808 45,000 - 11,000 1,100 2,100 1,800 <500*[1] NA
<br /> 2/24/1997 - 958 2355 -1397 38,000 -- 9,200 460 1,800 1,200 <500*[i] NA
<br /> 5/19/1997 -- 958 2342 -1384 38 000 - 9,800 620 1,900 1,100 <600*[1] NA
<br /> 8/21/1997 -- 958 2449 -1491 36,000 -- 9,500 910 2,000 1,500 <2,000**[1] NA (53)
<br /> 1 ill 7/1997 -- 958 2557 -1599 37,000 - 12,000 2,100 2,100 3,000 <1,000**[1] NA (54)
<br /> 2!911998 -- 958 2307 -1349 32,000 -- 9,700 510 2,000 2,700 <1,000**[1] NA (54)
<br /> 5/22/1998 -- 958 19 13 6 -955 20 900 - 7,440 144 1,760 479 <100 NA (54)
<br /> 8/12/1998 - 958 1927 -969 13,600 -- 4,860 159 1,200 408 <20 NA (53)
<br /> 11/9/1998 -- 958 2036 -10 78 26,100 - 9,270 375 1,950 895 <2 NA (53)
<br /> 2/17/1999 - 958 1979 -10 21 31,300 - 9,820 595 2,340 1,570 846 NA (53)
<br /> 5/25/1999 -- 958 1995 -1,037 24,000 - 9,320 356 2,220 1,070 107 NA (53)
<br /> 8/18/1999 -- 958 2008 -1050 26,400 - 9,670 364 2,250 866 15 NA (53)
<br /> 12/17/1999 - 958 2094 -1136 26,900 - 8,800 113 2,070 610 582 NA (53),[21
<br /> 2/22/2000 - 958 2052 -1094 1,300 - 487 192 122 654 652 NA (53)
<br /> 6/22/2000 - 958 1887 -929 21,300 -- 7,430 61 6 1,610 349 244 NA (53)
<br /> 8/ 2000 -- 958 1998 -1040 22,900 - 9,540 313 02420
<br /> ,410 791 127 NA
<br /> 30/
<br /> 11/21/2000 -- 958 2073 -11 15 31,300[4] - 7,820 341 ,550 1,750 844 NA
<br /> 2115/2001 -- 9 58 2079 -1121 39,800[6] - 9,680 176 1,230 603 06
<br /> 5/17/2001 -- 958 2004 -1046 27,100[5] -- 8,790 219 ,270 1,210 <10 05
<br /> 8/16/2001 -- 958 2132 -1174 30,000 - 8,700 320 ,800 1,800 <100` 09
<br /> 12/6/2001 - 958 2245 -1287 26,000[8] 10,000 <200 2000 770 <100* 08
<br /> Page 4 of 12
<br /> Report Date ApnI 21,2004
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