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OE I ,
<br /> Groundwater Elevation and Analytical Data -
<br /> Forrner 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 1D Casing(feet Level Elevation Screen(feet TPHg Benzene Toluene benzene Xylenes MtBE Oxygen
<br /> &Sample Date msl) (feet bgs) (feet msl) bgs) pg/L µg/L gg/L gg/L jig/l, µg/L mg/L
<br /> MW4 5/17/2001 23 01 -1067 16,600[5] 4,720 117 498 514 58 2 16
<br /> (cont) 8/16/2001 2434 -1200 20,000 4,900 110 830 910 <100* 19
<br /> 12/6/2001 2545 -13 It <50,000 6,200 <500 800 660 <500* 10
<br /> 2/14/2002 2389 -1155 20,000 5,800 200 1,100 890 <100[10] 10
<br /> 6/13/2002 2415 -1181 21,000 4,400 170 860 790 <50[10] 0 8
<br /> 8/22/2002 25 18 -1284 32,000 9,700 800 1,600 1,700 100 0 8
<br /> 11/13/2002 2610 -1376 <50,000 15,000 <500 1,900 <500 <500 --
<br /> 2/1212003 2601 -1367 <50 14 <0 5 1 0 <0 5 <0 5 2 1
<br /> 5/29/2003 2481 -1247 14,000 4,400 <25 490 120 <120 4 3
<br /> 8/4/2003 2521 -1287 20,000! 7,100 <100 810 140 <100 17
<br /> 11/312003 2596 -1362 <50 <2 5 <2 5 <2 5 <2 5 <2 5 111
<br /> MW-5 39 2/16/1995 928 3578 -2650 37 0 180,000 8,500 15,000 2,200 12,000 NA NA
<br /> 55 5/17/1995 3123 -2195 22,000 3,400 2,100 390 2,400 NA NA
<br /> 55 8/15/1995 3083 -2155 32,000 4,200 3,500 410 2,500 NA NA
<br /> 55 11/29/1995 3100 -2172 52,000 8,300 8,100 810 4,100 NA NA
<br /> 2/27/1996 28 19 -1891 20,000 3,200 1,900 440 1,800 NA NA
<br /> 55 5/15/1996 2666 -1738 43,000 6,500 5,000 790 3,400 <500*[1] NA
<br /> 8/22/1996 27 14 -1786 58,000 8,700 8,200 880 4,500 <500*[1] NA
<br /> 11/25/1996 2733 -1805 53,000 7,000 6,100 800 4,000 <600**[1] NA
<br /> 2/24/1997 2330 -1402 40,000 4,400 4,700 590 3,100 <700**[l] NA
<br /> 5/19/1997 2321 -1393 43,000 5,500 4,300 660 3,800 <300*[1] NA
<br /> 54 8/21/1997 2429 -1501 32,000 5,200 3,900 560 3,100 <1,000[1]** NA
<br /> 55 11/17/1997 2533 -1605 10,000 1,700 1,300 210 1,100 <500**[1] NA
<br /> 55 2/9/1998 2262 -1334 4,700 740 520 110 520 <25**[1] NA
<br /> 54 5/21/1998 1876 -948 1,380 167 148 264 125 <100 NA
<br /> 54 8/12/1998 19 96 -1068 2,450 472 250 64 2 284 <20 NA
<br /> 54 11/9/1998 2009 -1081 13,800 2,490 1,890 337 1,640 <2 NA
<br /> 54 2/17/1999 19 26 -998 3,130 438 285 864 386 <2 NA
<br /> 54 5/25/1999 18 65 -937 11,800 2,060 1,060 <100 1,380 <2 NA
<br /> 54 8/18/1999 1980 -1052 34,400 23,800 1,130 342 1,500 <2 NA
<br /> 54 12/17/9912] 20 63 -1135 <50 336 0 616 0 565 204 <2 NA
<br /> 54 02122100[3] 1942 -1014 3,280 942 169 134 415 <2 NA
<br /> 55 6/22/2000 18 58 -930 1,170 170 39 31 106 <2 NA
<br /> 8/30/2000 1962 -1034 32,800 3,460 2,970 664 4,010 <2 NA
<br /> 11/21/2000 2037 -1109 1,920[4] 391 361 744 233 <2 NA
<br /> 2/15/2001 2042 -11 14 357[6] 269 5 19 487 175 <2 0 9
<br /> 5/17/2001 1965 -1037 1,300[51 239 18 6 383 878 <2 1 1
<br /> 8/16/2001 2100 -1172 3,400 540 42 43 230 <2 2 6
<br /> 12/6/2001 2195 -12 67 1,400 230 20 44 99 <5 0* 12
<br /> 2/14/2002 2049 -1121 1,300 I80 23 48 75 <050 15 j
<br /> 6/13/2002 2078 -1150 1,700 200 16 51 91 <10[10] 08
<br /> 8/22/2002 2183 -1255 7,300 960 270 260 1,100 <10 0 9
<br /> k 175 8P ARC01021681Quarter1y12168 G WMR 4Q03 xls
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