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<br /> HISTORICAL GROUNDWATER MONITORING DATA
<br /> Fonner 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 TPHG Benzene Toluene benzene Xylenes MTBE Oxygen
<br /> &Sample Date msl) (feet bgs) (feet ms]) (feet bgs) µg/1, [A }tg/L n/L, µg1LL
<br /> µg/ (ppm) Observations
<br /> MW l 54 2/16/95 1045 37 11 -2666 35 5 36,000 11,000 460 990 3,200 NA NA No FP,No S,O=NE
<br /> 53 5/17195 3261 -22 16 38,000 12,000 790 1,100 3,400 NA NA No FP,No S,O=NE
<br /> 54 8/15/95 32 13 -2168 45,000 10,000 330 1,000 3,300 NA NA No FP,No S,Yes 0
<br /> 54 11/29/95 3232 -2187 46,000 9,800 370 1,100 2,900 NA NA No FP,No S,Yes 0
<br /> 2!27/96 Well Inaccessible
<br /> 53 5/15/96 2788 -1743 34,000 9,400 670 1,000 2,100 <25*[1] NA No FP,No S,Yes 0
<br /> 53 8/22196 2850 -1805 35 000 9,100 1,000 1,000 2,000 <500*[1] NA No FP,No S,Yes 0
<br /> 11/25/96 28 71 -1826 37,000 7,900 460 870 1,500 <500*[1] NA No FP,No S,Yes 0
<br /> 2/24197 2466 -1421 37,000 8 300 740 900 2,200 <500*[]] NA No FP,No S,Yes O
<br /> 5119/97 2454 -1409 30,000 8,200 310 780 1,100 <600*[Ij NA No FP,No S,Yes 0
<br /> 54 8121/97 2562 -15 17 28,000 8,200 380 860 1,100 4,000•*[]] NA No FP No S,Yes O
<br /> 54 11/17/97 2667 -1622 23 000 9,300 580 820 1,300 <1 000**[1] NA No FP,No S,Yes 0
<br /> 54 2/9198 2409 -1364 20,000 6,800 360 700 1,100 <1,000**[l] NA No FP,No S,Yes 0
<br /> 53 5/22198 2008 -963 20,700 6,650 413 588 1,030 <100 NA No FP,No S,Yes 0
<br /> 53 8/12/98 2026 -981 22,000 8,690 510 785 1,220 <2 NA No FP,No S,Yes 0
<br /> 53 1119/98 2140 1095 21,300 7,420 289 628 1,020 2420 NA No FP,No S,Yes O
<br /> 53 2!17/99 2060 10 15 2,650 834 483 902 138 2380 NA No FP,No S,Yes 0
<br /> 53 5125/99 1996 -951 22,600 8,410 291 854 1,160 3080 NA No FP,No S,Yes 0
<br /> 53 8/18199 2195 -1150 19,400 7,860 228 670 959 11450 NA No FP,No S,Yes 0
<br /> 53 12117/99[2] 21 90 -1145 15,900 5,630 121 379 579 3440 NA No 1P,No S,O=NE
<br /> 53 2122100 21 13 -1068 19,700 8,830 228 800 932 1930 NA No FP,No S,Yes 0
<br /> 54 6/22/00 1989 -944 19,900 6,020 139 401 486 1320 NA No FP,No S,Yes 0
<br /> 8130100 2092 -1047 18,300 8,600 254 654 650 228 NA No FP,No S,Yes 0
<br /> 1021/00 2160 -11 15 6,620[4] 1,570 703 908 199 128 NA No IP,No S,Yes 0
<br /> 2115/01 2167 -1122 11,300[7] 3,490 136 450 329 226 10 No FP,No S,O=NE
<br /> 5/17/01 2090 -1045 8,630[5] 3,190 <50 197 137 243 07 No FP,No S,Yes 0
<br /> 8/16/01 2227 -1182 13,000 4,400 130 440 300 <100* 19 No FP,No S,Yes 0
<br /> 12/6/01 2334 1289 12,000[8] 5,100 <50 340 210 <50 1 1 No FP,No S,Yes 0
<br /> 2/14102 2174 -1129 13,000 5,100 110 410 250 29 13 No FP,No S,Yes 0
<br /> 6/13/02 2206 -1161 10,000 2 400 87 300 240 24 08 No FP,No S,Yes 0
<br /> MW-l B 8/30/00 1026 2125 -1099 75 0 504 160 69 12 262 <2 NA No FP,No S,Yes 0
<br /> 11/21/00 2136 -11 to 1,500[4) 506 165 255 55 3 <2 NA No FP,No S,Yes 0
<br /> 2115101 2162 -1 l 36 721 [7] 233 102 175 242 <2 0 8 No FP,No S,O=NE
<br /> 5/17101 2095 1069 425[5] 158 3 95 909 73 <2 29 No FP,No S,Yes 0
<br /> 8/16/01 2234 -1208 67 066 <0 5 22 15 <2 20 No FP,No S,Yes 0
<br /> 12/6/01 2337 -13 11 77[8] 30 063 22 13 <0 50 1 1 No FP,No S,Yes 0
<br /> 2114/02 21 71 1145 <50 5 8 068 <0 50 076 <0 50 1 7 No FP,No S,Yes 0
<br /> 6/13/02 2206 -11 80 <50 3 6[l 1] <0 50 <0 50 0 60[11] <0 50 13 No FP,No S,Yes 0
<br /> At co_2168_Quaiiei ly_Data Ak
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