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T41E 1
<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 Groundwater Depth to Ethyl- Total Dissolved
<br /> Well ID & Casing Water Level Elevation Screen Benzene Toluene benzene Xylenes MtBE Oxygen
<br /> Sample Date (feet msl) (feet bgs) (feet msl) (feet bgs) TPHg ug1L ug1L P91L IlglL pg1L /a91L Mg/L.
<br /> MW 4 5!1712001 2301 1067 16 600[5] 4,720 117 498 514 582 1 6
<br /> (cont) 8/16/2001 2434 -1200 20 000 4,900 110 830 910 <100' 1 9
<br /> 12/6/2001 2545 -1311 <50,000 6,200 <500 800 660 <500' 1 0
<br /> 2114/2002 2389 11 55 20 000 5,800 200 1,100 890 <100]10] 1 0
<br /> 6/13/2002 2415 -1181 21,000 4,400 170 860 790 <50110] 08
<br /> 8122!2002 2518 1284 32,000 9,700 800 1,600 1,700 100 08
<br /> 11/13/2002 2610 1376 <50,000 15,000 <500 1,900 <500 <500
<br /> 2!1212003 2601 1367 <50 14 <05 1 0 <0 5 <05 2 1
<br /> 5/29/2003 2481 1247 14,000 4 400 <25 490 120 <120 43
<br /> 8/4/2003 2521 1287 20,000 J 7,100 <100 810 140 <100 1 7
<br /> 1113!2003 2596 -1362 <50 R <2 5 R <2 5 R <2 5 R <2 5 R <2 5 R 1 11
<br /> MW 5 39 2/16/1995 928 3578 2650 370 180,000 8,500 15,000 2,200 12,000 NA NA
<br /> 55 5/17/1995 31 23 2195 22,000 3 400 2,100 390 2,400 NA NA
<br /> 55 8/15/1995 3083 2155 32,000 4200 3,500 410 2 500 NA NA
<br /> 55 11/29/1995 3100 2172 52,000 8,300 81100 810 4,100 NA NA
<br /> 2/27/1996 2819 1891 20,000 3,200 1,900 440 1 800 NA NA
<br /> 55 5/1511996 2666 1738 43,000 6,500 51000 790 3,400 <500'[1] NA
<br /> 8/22/1996 2714 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"[1] NA
<br /> 5/19/1997 2321 1393 43,000 5,500 4,300 660 3,800 <300'(1i 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 11300 210 1,100 <500''[1] NA
<br /> 55 2/9/1998 2262 -1334 4,700 740 520 110 520 <25"(1] NA
<br /> 54 5121/1998 1876 948 11360 167 148 264 125 <100 NA
<br /> 54 8/12/1998 1996 1068 2,450 472 250 642 284 <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 1926 998 3,130 438 285 864 386 <2 NA
<br /> 54 5/25/1999 1865 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 12117199[2] 2063 11 35 <50 336 0 616 0 565 204 <2 NA
<br /> 54 02!22100[3] 1942 1014 3,280 942 169 134 415 <2 NA
<br /> 55 6122!2000 1858 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] 269 519 4a7 175 <2 09
<br /> 5/17/2001 1965 1037 1,300[5] 239 186 383 $78 <2 11
<br /> 8/16/2001 21 00 1172 3,400 540 42 43 230 <2 2 6
<br /> 12/6/2001 2195 1267 1,400 230 20 44 99 <50' 12
<br /> 2/14/2002 2049 1121 1,300 180 23 48 75 <0 50 1 5
<br /> 6/13/2002 2078 11 50 1,700 200 16 51 91 <1 0[10) 08
<br /> 8/22/2002 21 83 1255 7,300 960 270 260 11100 <10 09
<br /> i
<br /> k 1Wproces8W5 BP ARM021681QuaAedyl4 QTR 0312168 GW MR 4Q03
<br /> Page 5 of 9
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