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<br /> HISTORICAL GROUNDWATER MONITORING DATA
<br /> Fortner ARCO Service Station No 2168
<br /> 441 Charter Way
<br /> Stockton,California
<br /> Elevation
<br /> Top of Static Water Water Depth to Ethyl- Total Dissolved
<br /> Well ID Casing(feet Level Elevation Screen TPHG Benzene Toluene benzene Xylenes MTBE Oxygen
<br /> &Sample Date ms]) (feet bgs) (feet ins]) (feet bgs) µg/L
<br /> µg/L µgJL µg/L µglL µg/L (ppm) Observations
<br /> MW-7 2116/95 Well Inaccessible
<br /> 5117/95 8 88 3050 -2162 300 40,000 2,300 8,200 820 4,800 NA NA No FP,No S,O=NE
<br /> 48 8/15/95 3041 -2153 30,000 1,400 4,400 490 2,800 NA NA No FP,No S,Yes 0
<br /> 48 11/29195 3056 -2169 45,000 2,100 6,400 800 3,600 NA NA No FP,No S,Yes 0
<br /> 2/27/96 2775 -1887 40,000 2,700 7,800 740 4,000 NA NA No FP,No S,Yes 0
<br /> 48 5/15/96 26 13 -1725 38,000 2,500 7,300 790 4,100 <500*[1] NA No FP,No S,Yes 0
<br /> 8122/96 2667 -1779 52,000 4,400 9,900 790 4,600 <500*[I] NA No FP,No S,Yes 0
<br /> 11/25/96 2687 1799 52,000 3 500 9,100 810 4,700 <600**[1] NA No FP,No S,Yes O
<br /> 2/24197 2299 1401 25,000 1,300 3,700 500 2,200 <700**[1] NA No FP,No S,Yes 0
<br /> 5119/97 2277 -1389 19,000 970 2,800 390 1 700 <300*[I] NA No FP No S,Yes O
<br /> 47 8/21/97 2389 -1501 19,000 1,100 2,600 490 2,000 <500**[1] NA No FP,No S,Yes O
<br /> 48 11/17/97 2491 -1603 2,300 120 190 20 100 <50[l] NA No FP,No S,No O
<br /> 47 219/98 2221 -13 33 21,000 1,100 2,800 660 2,700 4,400[1] NA No FP,No S,Yes O
<br /> 47 5/22/98 1836 -948 91580 593 919 282 942 <100 NA No FP,No S,Yes O
<br /> 47 8112/98 1857 -969 5,690 289 460 197 628 <2 NA No FP,No S,Yes O
<br /> 47 1119/98 1969 -1080 4,970 406 612 119 520 <2 NA No FP,No S,Yes O
<br /> 47 2/17/99 1890 -1002 42,300 3,650 8,230 942 5,030 <2 NA No FP,No S,Yes 0
<br /> 35 5/25/99 1831 -943 9,910 944 1,910 287 1,550 <2 NA No FP,No S,Yes 0
<br /> 47 8/18/99 1938 1050 10,400 681 1,040 331 1,500 <2 NA No FP,No S,Yes O
<br /> 47 12/17/99[21 2030 -1142 1,790 833 269 966 808 <2 NA No FP,No S,O=NE
<br /> 47 2122100 1936 -1048 2,240 159 98 149 399 <2 NA No FP,No S,Yes 0
<br /> 41 2/22/00 1799 9 11 33,900 6,560 1,130 1,090 4,610 <2 NA No FP,No S,Yes O
<br /> 8/30/00 1926 -1038 1,590 22 19 5 49 102 <2 NA No FP,No S,Yes O
<br /> 11/21/00 1996 -1109 2,260[6] 106 76 8 542 216 <2 NA No FP,No S,Yes 0
<br /> 2/15/01 1997 -1109 18,400[7] 1,400 2,530 656 2,420 <2 12 No FP,No S,O=NE
<br /> 05/1701 1922 -1034 2,320[5] 207 119 407 99 1 <10 08 No FP,No S,Yes 0
<br /> 8/16101 2059 1 l 71 2,200 30 14 49 95 <2 06 No FP,No S,Yes O
<br /> 1216101 2163 1275 6,800 580 270 210 930 <5 0* 09 No FP,No S,Yes O
<br /> 2114102 2003 -11 15 62[8] <0 50 <0 50 053 <0 50 <0 50 24 No FP,No S,Yes 0
<br /> 6113/02 2035 A 147 1,400[8] 29 40 12 13 <0 50 14 No FP,No S,Yes O
<br /> Arco_2168_Quancily Dataxls
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