ARCHIVED REPORTS XR0001270 (2) - Laserfiche WebLink

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Ai � } HISTORICAL GROUNDWATER MONITORING DATA Former ARCO Service Station No 2168 441 Charter Way Stockton,CaMfomia Elevation Top of Static Water Water Depth to Ethyl- Total Dissolved Well ID Casing(feet Level Elevation Screen TPHG Benzene Toluene benzene Xylenes MtBE Oxygen &Sample Date msl) (feet bgs) (feet msl) (feet bgs) ug/L ug/L ug/L ug/L ug/L ug/L (ppm) MW 8 2/14/2002 1927 -992 <50 <0 50 <0 50 <0 50 <0 50 <0 50 3 1 (cont) 6/13/2002 1973 1038 <50 <0 50 <0 50 <0 50 <0 50 <0 50 12 822/2002 2078 1143 76 23 052 56 44 <0 50 18 11/13/2002 2085 1150 <50 <0 50 <0 50 <0 50 <0 50 <0 50 -- 2/17/2003 2417 1482 <50 <0 5 <0 5 <0 5 <0 5 <0 5 17 MW-8B 8130!2000 961 2027 -1066 750 1,130 425 496 106 108 <2 NA 11/21/2000 2088 -1127 924[4] 241 234 525 109 <2 NA 2/152001 2088 -1127 811 [7] 159 298 490 492 <2 13 5/17/2001 2024 1063 137[5] 504 132 9 47 43 <2 25 8/162001 2164 1203 63 12 079 76 42 <2 19 12/6/2001 2258 1297 94[8] 40 <0 50 55 17 <0 50 1 1 2/142002 2106 1145 <50 49 <0 50 <0 50 <0 50 1 1 16 6/132002 2134 1173 <50 12[11] <0 50 13[11] 1 5[11] <0 50 33 8/222002 2243 1282 <50 <0 50 <0 50 <0 50 <0 50 <0 50 32 i 11/13/2002 2356 1395 <50 <0 50 <0 50 <0 50 <0 50 <0 50 -- 2/12/2003 2401 -1440 <50 <0 5 <0 5 <0 5 <0 5 -- 19 MW-8C 8/302000 901 2121 -1220 1050 685 156 678 219 759 <2 NA 11/212000 1919 -1019 <50 0 692 <0 5 <0 5 <0 5 <2 NA 2/15/2001 2055 -1154 <50 184 173 <50 1 94 <2 20 05/17/01 1995 -1094 <50 0 861 <0 5 <0 5 <0 5 <2 20 8/16/2001 2141 -1240 <50 071 <0 5 <0 5 <0 5 <2 44 12/62001 2229 -1327 150 47 12 12 45 <0 50 13 2/14/2002 2064 -1163 <500[9] 120[9] <5 0[9) 18[9] <5 0[9] 13 1 8 6/13/2002 21 10 -1209 <50 7 <0 50 <0 50 062 054 18 8/22/2002 2213 -1312 <50 056 <0 50 <0 50 <0 50 062 36 11/13/2002 2303 1402 <50 066 <0 50 <0 50 <0 50 072 -- 2/12/2003 2477 -1576 <50 <0 5 <0 5 <0 5 <0 5 078 18 I $US BP ARC0\021681QuartertyU QTR 0312168 GWMR 1Q03 8of9