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OLE 1
<br /> Groundwater Monitoring and Analytical Data
<br /> Former ARCO Service Station No 2168
<br /> 441 Charter Way,Stockton,California -
<br /> Elevation Static
<br /> Top of Water Groundwater Depth to Ethyl- Total Dissolved
<br /> Well ID Casing Level Elevation Screen TPHg Benzene Toluene benzene Xylenes MtBE Oxygen
<br /> &Sample Date (feet msl) (feet bgs) (feet msi) (feet bgs) ppg/L 119/1- pg/L ,vg/L pglL ,vg/L mg/L
<br /> MW-1B 6/13/2002 2206 -1180 <50 361111 <0 50 <0 50 0 60(11] <0 50 1 3
<br /> (cont) 8/22/2002 2314 1288 <50 28 <0 50 <0 50 052 <0 50 1 1
<br /> 11/13/2002 2400 -1374 <50 70 <0 50 <0 50 <0 50 <0 50 --
<br /> 2/12/2003 - -- Not Sampled
<br /> 5/29/2003 - Not Sampled
<br /> 8/4/2003 2317 -1291 <50 <0 50 <0 50 <0 50 <0 50 <0 50 22
<br /> MW-1C 8/30/2000 1021 2219 -1198 1050 537 63 <2 <2 406 <2 NA
<br /> 11/21/2000 2169 -1148 62 3[4] 569 121 0 999 351 <2 NA
<br /> 2/15/2001 2180 1159 <50 988 142 164 259 <2 08
<br /> 5/17/2001 2123 -1102 <50 909 0 708 157 1 18 <2 1 1
<br /> 8/16/2001 2266 -1245 <50 42 065 <0 5 083 <2 24
<br /> 12!6/2001 2357 -1336 <50 93 <0 50 1 4 072 <0 50 1 3
<br /> 2/14/2002 2217 -11 96 <50 10 059 1 8 1 7 <0 50 1 8
<br /> 6/13/2002 2241 -1220 4 8[11] <0 50 0 9[11] 0 66[11] <0 50 <0 50 1 3
<br /> 8/22/2002 2329 -1308 <50 40 <0 50 1 1 099 <0 50 13
<br /> 11/13/2002 2438 -1417 <50 <0 50 <0 50 <0 50 <0 50 <0 50
<br /> 2/12/2003 - -- Not Sampled
<br /> 5/29/2003 -- - Not Sampled
<br /> 8/4/2003 23130 -1309 <50 <0 50 <0 50 <0 50 <0 50 <0 50 1 1
<br /> MW-2 53 2116!1995 1083 3748 -2665 330 36,000 6,300 4,600 610 2,700 NA NA
<br /> 5/17/1995 Welllnaccessible
<br /> 53 8/15/1995 3245 -2162 20,000 3,500 2,000 280 1,300 NA NA
<br /> 53 11/29/1995 3262 -2179 30,000 3,800 2,700 380 1,800 NA NA
<br /> 2/27/1996 2987 -1904 Well not sampled
<br /> 53 5/15/1996 2816 -1733 16,000 2,600 1,000 210 910 <200*"[1] NA
<br /> 53 8/22/1996 2876 1793 34,000 5,900 2,500 560 2,300 <300'*[1] NA
<br /> 11/25/1996 2895 -1812 26,000 4,000 2,000 390 1,800 <300*[1] NA
<br /> 2/24/1997 2495 -1412 22,000 3,100 1,300 340 1,400 <500"[1] NA
<br /> 5/19/1997 2484 -1401 28,000 4,700 1,900 480 2,200 <300*[1[ NA
<br /> 52 8/21/1997 2592 -1509 15,000 3,000 1,200 320 1,200 <500**[1 NA
<br /> 53 11/17/1997 2694 -1611 2,200 510 120 44 130 <100**[1] NA
<br /> 53 2/9/1998 2433 1350 15,000 3,700 790 440 1,000 <500**(1] NA
<br /> 52 5/21/1998 2038 955 10 200 2,220 562 238 628 <100 NA
<br /> 52 8/12J1998 2057 -974 1,100 234 390 238 494 <20 NA
<br /> 52 11/9/1998 21 67 -1084 4,420 1,050 212 116 278 <2 0 NA
<br /> 52 2/17/1999 2098 -1015 8,450 1,790 332 266 499 <20 NA
<br /> 52 5/25/1999 2028 -945 1,720 469 479 578 764 <20 NA
<br /> 52 8/18/1999 2140 -1057 8,870 2,610 176 316 411 <2 0 NA
<br /> 52 12/17/99[2] 2224 11 41 1,090 309 796 128 50 <2 0 NA
<br /> 52 2/22/2000 2137 1054 4,510 1,500 138 151 207 <2 0 NA
<br /> 53 6/22/2000 2019 936 735 141 17 12 22 <20 NA
<br /> I
<br /> k 1WprocesaU5 BP ARC0\02168kCkwrterIY\3 QTR 0312168 GW MR 3Q03
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