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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 10 & Casing Water Level Elevation Screen Benzene Toluene benzene Xylenes MtBE Oxygen
<br /> Sample Date (lest msI) (feet bgs) (feet msl) (feet bgs) TPHg pg1L l,g/L P91L PVL pg/L p91L mg/L
<br /> MW 1 54 2/16/1995 1045 3711 2666 35 5 36,000 11,000 460 990 3,200 NA NA
<br /> 53 5/17/1995 3261 2216 38,000 12,000 790 1,100 3,400 NA NA
<br /> 54 8/15/1995 3213 2168 45,000 10,000 330 1,000 3,300 NA NA
<br /> 54 11/29/1995 3232 2187 46,000 9,800 370 1,100 2,900 NA NA
<br /> 2/27/1996 Well Inaccesseble
<br /> 53 5/15/1996 2788 1743 34,000 9,400 670 1,000 2100 <25*[1] NA
<br /> 53 8/22/1996 2850 1805 35,000 9,100 1000 1,000 2,000 <500*[1] NA
<br /> 11/25/1996 2871 1826 37,000 7,900 460 870 1,500 <500*[1] NA
<br /> 2/24/1997 2466 1421 37,000 8,300 740 900 2,200 <500*[1) NA
<br /> 5/19/1997 2454 1409 30,000 8200 310 780 1,100 <600*[i] NA
<br /> 54 8/21/1997 2562 1517 28,000 8200 380 860 1,100 <2,000**[i] NA
<br /> 54 11/17/1997 2667 1622 23,000 91300 580 820 1,300 <1,000**[1] NA
<br /> 54 2/9/1998 2409 1364 20,000 6,800 360 700 1,100 <1,000**[i] NA
<br /> 53 5/22/1998 2008 963 20,700 6,650 413 588 1,030 <100 NA
<br /> 53 8/12/1998 2026 981 22,000 8,690 510 785 1,220 <2 NA
<br /> 53 11/9/1998 2140 1095 21,300 7,420 289 628 1,020 2420 NA
<br /> 53 2/17/1999 2060 1015 2,650 834 48 3 902 138 2380 NA
<br /> 53 5/25/1999 1996 9 51 22,600 8,410 291 854 1,160 3080 NA
<br /> 53 8/18/1999 2195 1150 19,400 7,860 228 670 958 1160 NA
<br /> 53 12/17/99[2] 21 90 11 45 15,900 5,630 121 379 579 3440 NA
<br /> 53 2/22/2000 2113 1068 19,700 81830 228 800 932 1930 NA
<br /> 54 6/22/2000 1989 944 19,900 6,020 139 401 486 1320 NA
<br /> 8/30/2000 2092 1047 18,300 8,600 254 654 650 228 NA
<br /> 11/21/2000 2160 11 i5 6,620[4] 1,570 703 908 199 128 NA
<br /> 2/15/2001 2167 11 22 11 300[7] 3,490 136 450 329 226 1 0
<br /> W1712001 2090 1045 8,630[5] 3,190 <50 197 137 243 0 7
<br /> 8/16/2001 2227 11 82 13,000 4 400 130 440 300 <100* 19
<br /> 12/6/2001 2334 1289 12,000[8] 5,100 <50 340 210 <50 11
<br /> 2/14/2002 2174 -1129 13,000 51100 110 410 250 29 13
<br /> 6/13/2002 2206 1161 10,000 2,400 87 300 240 240 0 8
<br /> 8/22/2002 2305 1260 13,000 51100 160 430 330 31 1 0
<br /> 11/13/2002 2403 1358 <10,000 2,200 <100 <100 <100 <100
<br /> 2112/2009 - Not Sampled
<br /> 5/29/2003 - Not Sampled
<br /> 8/4/2003 2308 1263 6,700 J 2,200 <50 <50 180 <50 1 1
<br /> 11/3/2003 2423 -1378 3,700 1,000 <25 28 81 27 212
<br /> k IWprccessU5 BP AR00\021681Quarlerlyl4 QTR 0312168 GW MR 4003
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