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Table 1
<br /> Groundwater Monitoring Data
<br /> 1995 to Present Page 5 of 6
<br /> Former ARCO Service Station No 2168
<br /> 441 Charter Way, Stockton, California
<br /> Well Elevation Static Elevation Top
<br /> Sample of Top Water of of Total
<br /> Number Date of Casing Level Groundwater Screen TPHG Benzene Toluene Eth ]benzene Xylenes MTBE[11 Observations
<br /> MW-6(45) 02/17/99 893 1879 -986 53,500 9,870 2,720 1,540 8,320 [2] No FP,No S,Yes 0
<br /> MW-7
<br /> MW-7 02/16/95 Well Inaccessible
<br /> MW-7 05/17/95 888 3050 -2162 300 40,000 2,300 8,200 820 4,800 NA No FP,No S, O=NE
<br /> MW-7(48) 08/15/95 888 3041 -2153 30,000 1,400 4,400 490 2,800 NA No FP, No S,Yes 0
<br /> MW-7(48) 11/29/95 888 3056 -2168 45,000 2,100 6,400 800 3,600 NA No FP, No S,Yes O
<br /> MW-7 02/27/96 888 2775 -1887 40,000 2,700 7,800 740 4,000 NA No FP,No S, Yes O
<br /> MW-7(48) 05/15/96 888 2613 -1725 38,000 2,500 7,300 790 4,100 <500* No FP,No S,Yes 0
<br /> MW-7 08/22/96 888 2667 -1779 52,000 4,400 9,900 790 4,600 <500* No 1'P,No S,Yes O
<br /> MW-7 11/25/96 888 2687 -1799 52,000 3,500 9,100 810 4,700 <600** No FP,No S,Yes 0
<br /> MW-7 02/24/97 888 2289 -1401 25,000 1,300 3,700 500 2,200 <700** No FP,No S,Yes O
<br /> MW-7 05/19/97 888 2277 -1389 19,000 970 2,800 390 1,700 <300* No FP,No S,Yes 0
<br /> MW-7(47) 08/21/97 888 23 89 -1501 19,000 1,100 2,600 490 2,000 <500** No FP, No S,Yes 0
<br /> MW-7(48) 11/17/97 888 2491 -1603 2,300 120 190 20 100 <50 No FP, No S, No 0
<br /> MW-7(47) 02/09/98 888 2221 -1333 21,000 1,100 21800 660 2,700 4,400 No FP,No S, Yes 0
<br /> MW-7(47) 05/22/98 888 1836 -948 9,580 593 919 282 942 [2] No FP,No S,Yes O
<br /> MW-7(47) 08/12/98 888 1857 -969 5,690 289 460 197 628 [2] No FP,No S,Yes 0
<br /> MW-7(47) 11/09/98 888 1968 -1080 4,970 406 612 119 520 [2] No FP,No S,Yes 0
<br /> MW-7(47) 02/17/99 888 1890 -1002 42,300 3,650 8,230 942 5,030 [2] No FP, No S,Yes 0
<br /> CPIE 1ARC0121681QTRLW168Q199 XLS r
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