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OE I
<br /> Groundwater Elevation and Analytical Data _
<br /> Former ARCO Service Station No 2168
<br /> 441 Charter Way
<br /> Stockton,California -
<br /> Elevation
<br /> Top of Static Water Groundwater Depth to Ethyl- Total Dissolved
<br /> Well ID Casing(feet Level Elevation Screen(feet TPHg Benzene Toluene benzene Xylenes MtBE Oxygen
<br /> &Sample Date msl) (feet bgs) (feet msl) bgs) gg/L Rg/L Rg/L µg/L µg/L gg/L mg/L
<br /> MW-5 11/13/2002 2276 -1349 <50 12 <0 50 <0 50 <0 50 <0 50 --
<br /> (cont) 2/12/2003 2276 -1348 76 41 <0 5 14 17 <0 5 3 1
<br /> 5/29/2003 2126 -1198 110 5 9 <0 5 061 2 7 <0 5 3 7
<br /> 8/4/2003 21 86 -1258 390 J 29 18 3 2 7 5 <0 50 2 6
<br /> 11/3/1003 2291 -1363 620 58 <5 0 10 9 3 <5 0 2 61
<br /> MW-6 47 2/16/1995 893 37 06 -28 13 300 39,000 6,400 5,200 850 4,400 NA NA
<br /> 46 5/17/1995 30 64 -2171 130,000 9,900 16,000 1,800 10,000 NA NA
<br /> 46 8/15/1995 3022 -2129 120,000 7,700 9,700 1,500 8,900 NA NA
<br /> 45 11/29/1995 3030 -2137 160,000 8,200 11,000 1,700 10,000 NA NA
<br /> 2/27/1996 27 55 -1862 96,000 10,000 13,000 1,400 8,100 NA NA
<br /> 47 5/15/1996 2579 -1686 99,000 8,800 12,000 1,400 8,000 <900**[I] NA
<br /> 8/22/1996 2648 -1755 98,000 8,200 7,300 1,600 9,000 <1,000**[l] NA
<br /> 11/25/1996 2661 -1768 84,000 9,300 9,500 1,500 8,800 <900**[[] NA
<br /> 2/24/1997 22 77 -1384 140,000 9,700 11,000 1,400 8,500 <2,000**[l] NA
<br /> 5/19/1997 22 53 -1360 69,000 7,900 5,000 1,200 7,700 <600*[1] NA
<br /> 45 8/21/1997 2365 -1472 86,000 7,400 4,000 1,300 7,400 <1,000**[l] NA
<br /> 41 11/17/1997 24 70 -1577 42,000 5,400 2,100 1,100 6,600 <67 NA
<br /> 43 2/9/1998 22 01 -1308 62,000 12,000 7,000 1,300 7,400 <1,000**[l] NA
<br /> 42 5/22/1998 1814 -921 66,100 9,740 4,620 1,180 6,820 <100 NA
<br /> 42 8/12/1998 1842 -949 54,700 7,670 2,340 1,230 6,800 <200 NA
<br /> 42 11/9/1998 1973 -1080 15,900 1,080 315 267 1,240 <2 NA
<br /> 45 2/17/1999 1879 -986 53,500 9,870 2,720 1,540 8,320 <2 NA
<br /> 45 5/25/1999 1812 -919 43,900 7,020 1,880 1,520 8,290 <2 NA
<br /> 45 8/18/1999 1926 -1033 40,900 6,260 1,590 1,470 7,460 4 78 NA
<br /> 45 12117/99[2] 20 08 -11 15 4,080 536 149 122 756 <2 NA
<br /> 45 2/22/2000 1929 -1036 38,200 8,430 1,800 1,330 6,390 <2 NA
<br /> 48 6/22/2000 18 15 -922 2,150 <2 5 1 15 14 <2 NA
<br /> 8/30/2000 1912 -1019 37,900 5,290 1,260 1,280 5,570 <2 NA
<br /> 11/21/2000 19 83 -1090 30,100[5] 5,120 1,080 1,150 5,150 <2 NA
<br /> 2/15/2001 19 72 -1079 58,200[6] 5,930 1,400 1,540 5,820 <2 1 1
<br /> 5/17/2001 19 11 -10 18 31,700[5] 5,210 1,090 1,300 5,020 <40 0 9
<br /> 8/16/2001 2050 -11 57 39,000 5,000 1,300 1,600 5,500 <50* 0 7
<br /> 12/6/2001 2150 -12 57 28,000 5,800 <100 1,300 4,800 <100* 0 6
<br /> 2/14/2002 19 80 -1087 32,000 4,100 1,100 1,400 4,800 <50[10] 0 8
<br /> 6/13/2002 20 20 -1127 34,000 3,600 1,100 1,300 4,000 <25[10] 0 9
<br /> 8/22/2002 2123 -1230 27,000 5,000 950 1,100 4,500 <25 1 1
<br /> 11/13/2002 2223 -1330 37,000 5,000 900 1,400 4,600 <100 --
<br /> 2/12/2003 2248 -1355 31,000 4,200 900 1,200 5,700 <50 10
<br /> 5/29/2003 20 58 -1165 26,000 4,000 1,000 1,100 5,200 <120 4 7
<br /> 8/4/2003 2126 -1233 27,000 4,100 870 730 6,000 <50 1 5
<br /> 11/3/2003 2212 -13 29 210 <2 5 <2 5 <2 5 <2 5 <2 5 211
<br /> k 115 BP ARC01021681Qusrierly12168 GWMR 4QO3 xis
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