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OLE 1
<br /> Groundwater Monitoring and Analytical Data
<br /> Former ARCO Service Station No 2168
<br /> 441 Charter Way,Stockton,California
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<br /> Elevation Static
<br /> Top of Water Groundwater Depth to Ethyl- Total Dissolved
<br /> Well ID Casing Level Elevation Screen TPFIg Benzene toluene benzene Xylenes MtBE Oxygen
<br /> &Sample Date (feet msl) (feet bgs) (feet msl) (feet bgs) pg/L pg/L pg/L pg/L ,ug/L Ng/L mg/L
<br /> MW 7 2/16/1995 Well Inaccessible
<br /> 5/17/1995 888 3050 -2162 300 40,000 2,300 8,200 820 4,800 NA NA
<br /> 48 8/15/1995 3041 -21 53 30,000 1,400 4,400 490 2,800 NA NA
<br /> 48 11/29/1995 3056 -21 68 45,000 2,100 6,400 800 3,600 NA NA
<br /> 2/27/1996 2775 -1687 40,000 2,700 7,800 740 4,000 NA NA
<br /> 48 5/15/1996 2613 -1725 38,000 2,500 7300 790 4,100 <500*[1] NA
<br /> 8/22/1996 2667 -1779 52,000 4,400 9,900 790 4,600 <500*111 NA
<br /> 11/25/1996 2687 1799 52,000 3,500 9,100 810 4 700 <600**[11] NA
<br /> 2/24/1997 2289 -1401 25,000 1,300 3,700 500 2,200 <700**[1] NA
<br /> 5/19/1997 2277 -1389 19,000 970 2,800 390 1,700 <300*[1j NA
<br /> 47 8/21/1997 2389 -1501 19,000 1,100 2,600 490 2,000 <500**(11 NA
<br /> 48 11/17/1997 2491 -1603 2 300 120 190 20 100 <50[11 NA
<br /> 47 2/9/1998 2221 -1333 21,000 1,100 2,800 660 2,700 4,400[1) NA
<br /> 47 5/22/1998 1836 -948 9,580 593 919 282 942 <100 NA
<br /> 47 8/12/1998 1857 -969 5,690 289 460 197 628 <2 NA
<br /> 47 11/9/1998 1968 -1080 4,970 406 612 119 520 <2 NA
<br /> 47 2/17/1999 1890 -1002 42,300 3,650 8,230 942 5,030 <2 NA
<br /> 35 5/25/1999 1831 -943 9,910 944 1,910 287 1,550 <2 NA
<br /> 47 8/16/1999 1938 -1050 10,400 681 1,040 331 1,500 <2 NA
<br /> 47 12117199[2] 2030 -1142 1,790 833 269 966 808 <2 NA
<br /> 47 2/22/2000 1936 1048 2,240 159 98 149 399 <2 NA
<br /> 41 2/22/2000 1799 -911 33,900 6,560 1,130 1,090 4,610 <2 NA
<br /> 8/30/2000 1926 -1038 1,590 22 195 49 102 <2 NA
<br /> 11/21/2000 1996 -11 08 2,260[6] 106 768 542 216 <2 NA
<br /> 2/15/2001 1997 -11 09 18 400[7] 1,400 2,530 656 2 420 <2 12
<br /> 0511701 1922 -1034 2,320[5] 207 119 407 991 <10 08
<br /> 8/16/2001 2059 -11 71 2,200 30 14 49 95 <2 06
<br /> 12/6/2001 2163 1275 6,800 580 270 210 930 <5 0* 09
<br /> 2/14/2002 2003 -11 15 62[81 <0 50 <0 50 053 <0 50 <0 50 24
<br /> 6/13/2002 2035 -1147 1,400[8] 29 40 12 13 <0 50 14
<br /> 8/22/2002 2138 -1250 1,400 11 <5 0 15 10 <0 50 09
<br /> 11/13/2002 2233 -1345 1,400 40 <10 18 34 <10 --
<br /> 2J12/2003 2316 -1426 820 <5 0 <5 0 <5 0 <5 0 <5 0 20
<br /> 5/29/2003 2080 -1192 380 <0 5 <0 5 19 13 <1 0 so
<br /> 8/4/2003 2141 -1253 620 <0 50 <0 50 <0 50 <0 50 <0 50 20
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