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ME 1
<br /> GROUNDWATER ELEVATION AND ANLAYTICAL DATA
<br /> Former ARCO Service Station No 2168
<br /> 441 Charter Way
<br /> Stockton,California
<br /> Elevation
<br /> Top of Static Water Water Depth to Ethyl Total Dissolved
<br /> Well ID Casing(feet Level Elevation Screen Benzene Toluene benzene Xylenes MtBE Oxygen
<br /> &Sample Date HVI) (feet bgs) (feet msl) (feet bgs) TPHg ppb ppb ppb ppb ppb ppb (ppm)
<br /> MW 1 54 2/16/1995 1045 37 11 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 Inaccessible
<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 1,000 1,000 2,000 <500*[1] NA
<br /> 11/25/1996 2871 48 26 37 000 7,900 460 870 1 500 <500*[1] NA
<br /> 2/24/1997 2466 -1421 37,000 8,300 740 900 2200 <500*[I] NA
<br /> 5119(1997 2454 -1409 30,000 8200 310 780 1 100 <600*[I] NA
<br /> 54 8/21/1997 2562 -15 17 28 000 8200 380 860 1,100 <2 000**[i] NA
<br /> 54 11/17/1997 2667 -1622 23 000 9,300 580 820 1,300 <1 000**[1] NA
<br /> 54 2/9/1998 2409 -1364 20 000 6 800 360 700 1,100 <1 000**[1] NA
<br /> 53 5/22/1998 2008 -963 20,700 6 650 413 588 1,030 <100 NA
<br /> 53 9/12/1998 2026 -991 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 10 15 2 650 834 493 902 138 2380 NA
<br /> 53 5/25/1999 1996 -951 22,600 8,410 291 854 1,160 3090 NA
<br /> 53 8/18/1999 2195 -1150 19,400 7 860 228 670 958 1160 NA
<br /> 53 12/17199[2] 2190 11 45 15,900 5,630 121 379 579 3440 NA
<br /> 53 2/22/2000 2113 -1068 19,700 8,830 228 800 932 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 15 6 620[4] 1,570 703 909 199 128 NA
<br /> 2/15/2001 2167 l l 22 11,300[7] 3,490 136 450 329 226 1 0
<br /> 5/17/2001 2090 1045 8 630[51 3,190 <50 197 137 243 G?
<br /> 8/16/2001 2227 1182 13 000 4,400 130 440 300 <100* 19
<br /> 12/6/2001 2,334 -1289 12,000[81 5,100 <50 340 210 <50 11
<br /> 2114!2002 2174 -1129 13,000 5,100 110 410 250 29 13
<br /> 6/13/2002 2206 -1161 10 000 2 400 87 300 240 240 08
<br /> 8/22!2002 2305 -1260 13,000 5,100 160 430 330 31 10
<br /> MW-1B 8/30/2000 1026 2125 -1099 750 504 160 69 12 262 <2 NA
<br /> 11/21/2000 2136 -11 10 1 500[4] 506 l6 5 255 553 <2 NA
<br /> 2/1512001 2162 -1136 721 [7] 233 102 175 242 <2 08
<br /> 5/17/2001 2095 -1069 425[51 158 395 909 73 <2 29
<br /> 8!1612001 2234 -1208 67 066 <05 22 15 <2 20
<br /> 1216001 2337 -13 11 77[8] 30 063 22 13 <0 50 if
<br /> 2/14/2002 2171 -1145 <50 58 068 <0 50 076 <050 1 7
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