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<br /> • Al -
<br /> Groundwater Monitoring Data
<br /> 1995 to Present
<br /> Former ARCO Service Station No 2168
<br /> 441 Charter Way, Stockton, California
<br /> Well ID Elevation Static Elevation Top
<br /> & Sample of Top Water of of Lthyl- 1 otal
<br /> Depth Date of Casing Uvel Groundwater Screen 111146 Buvene Toluene benicne Xylenes MTBE Observations
<br /> MW-6 47 02/16/95 893 3706 -28 13 300 39,000 6,400 5,200 850 4,400 NA No FP,No S,O=NE
<br /> MW-6 46 05/17/95 893 3064 -21 71 130,000 9,900 16,000 1,800 10,000 NA No FP,No S,O=NE
<br /> MW-6 46 08/15/95 893 3022 -21 29 120,000 7,700 9,700 1,500 8,900 NA No N1',No S, Yes 0
<br /> MW-6 45 11/29/95 893 3030 -21 37 160,000 8,200 11 000 1,700 10,000 NA No FP,No S, Yes 0
<br /> MW-6 02/27/96 893 2755 -1862 96,000 10,000 13,000 1,400 8,100 NA No FP,No S, Yes 0
<br /> MW-6 47 05/15/96 893 25 79 -1686 99,000 8,800 12,000 1,400 8,000 <900**[I] No FP,No S,Yes 0
<br /> MW-6 08/22/96 893 2649 -17 55 98,000 8,200 7,300 1,600 9,000 <1,000**[]] No FP,No S,Yes 0
<br /> MW-6 11/25/96 993 2661 -1768 84,000 9,300 9,500 1,500 8,800 <900**[1] No FP,No S, Yes O
<br /> MW-6 02/24/97 893 2277 -1384 140,000 9,700 11,000 1,400 8,500 <2,000**[I] No 111,No 5,Yes 0
<br /> MW-6 05/19/97 893 2253 -1360 69,000 7,900 5,000 1,200 7,700 <600*[1] No FP,No S,Yes 0
<br /> MW-6 45 08/21/97 893 2365 -1472 86,000 7,400 4,000 1,300 7,400 <1,000**[1] No FP,No S,Yes 0
<br /> MW-6 41 11/17/97 893 2470 -1577 42,000 5,400 2,100 1,100 6,600 <67 No FP,No S, Yes 0
<br /> MW-6 43 02/09/98 893 2201 -1308 62,000 12,000 7,000 1,300 7,400 <1,000**[1] No I-P,No S, Yes 0
<br /> MW-6 42 05/22/98 893 18 14 -921 66,100 9,740 4,620 1,180 6,820 <100 No FP,No S, Yes 0
<br /> MW-6 42 08/12/98 893 1842 -949 54,700 7,670 2,340 1,230 6,800 <200 No FP,No S,Yes 0
<br /> MW-6 42 11/09/98 893 1973 -1080 15,900 1,080 315 267 1,240 <2 No FP,No S,Yes O
<br /> MW-6 45 02/17/99 8 93 1879 -986 53,500 9,870 2,720 1,540 8,320 <2 No FP,No S,Yes 0
<br /> MW-6 45 05/25/99 893 18 12 -919 43,900 7,020 1,880 1,520 8,290 <2 No FP,No S, Yes 0
<br /> MW-6 45 08/18/99 893 1926 -1033 40,900 6,260 1,590 1,470 7,460 478 No FP,No S,Yes 0
<br /> MW-6 45 12/17199[21 893 2008 -11 15 4,080 536 149 122 756 <2 No FP,No S,0-N1;
<br /> MW-6 45 02/22/00 893 1929 -1036 38,200 8,430 1,800 1,330 6,390 <2 No FP,No S, Yes 0
<br /> MW-6 48 06/22/00 893 18 15 -922 2,150 <2 5 15 14 <2 No FP,No S, Yes 0
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