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• TABIR •
<br /> HISTORICAL GROUNDWATER MONITORING DATA
<br /> Former ARCO Service Station No 2168
<br /> 441 Charter Way
<br /> Stockton, Califointa
<br /> i
<br /> Elevation
<br /> Top of Static Water Water Depth to Ethyl- Total Dissolved
<br /> Well 1D Casing(feet Level Elevation Screen TPHG Benzene Toluene benzene Xylenes MTBE Oxygen
<br /> &Sample Date msl) (feet bgs) (feet msl) (feet bgs) pg/L Iig/L pg/L µg/L µg/L pg/L (ppm) Observations
<br /> MW-3 53 2116/95 9 58 3624 -2666 360 37,000 14,000 340 2,100 470 NA NA No FP,No S,O=NE
<br /> 53 5/17/95 9 58 3149 -2191 39,000 13,000 1,200 2,100 1,500 NA NA No FP,No S,O=NE
<br /> 53 8/15/95 9 58 31 06 -21 48 31,000 11,000 220 1,800 910 NA NA No FP,No S,Yes O
<br /> 53 11/29/95 9 58 31 25 -2167 41,000 10,000 350 1,900 860 NA NA No FP,No S,Yes 0
<br /> 2/27/96 9 58 28 51 -1893 36,000 10,000 510 1,800 990 NA NA No FP,No S,Yes O
<br /> 53 5/15/96 958 26 82 -1724 40,000 12,000 690 2,000 1,300 <500**[1] NA No FP,No S,Yes O
<br /> 8/22/96 958 2735 -1777 53,000 14,000 2,000 2,400 2,900 <500*[1] NA No FP,No S,Yes 0
<br /> 11/25/96 9 58 2766 -1808 45,000 11,000 1,100 23100 1,800 <500*[]] NA No FP,No S,Yes O
<br /> 2124/97 9 58 23 55 -13 97 38,000 9,200 460 1,800 1,200 <500*[1] NA No FP,No S,Yes O
<br /> 5/19/97 9 58 2342 -13 84 38,000 9,800 620 1,900 1,100 <600*[1] NA No FP,No S,Yes 0
<br /> 53 8/21/97 9 58 2449 -1491 36,000 9,500 910 2,000 1,500 <2,000**[1] NA No FP,No S,Yes 0
<br /> 54 11/17/97 958 25 57 -1599 37,000 12,000 2,100 2,100 3,000 <1,000**[I] NA No FP,No S,Yes 0
<br /> 54 2/9198 9 58 23 07 -1349 32,000 9,700 510 2,000 2,700 <1,000**[1] NA No FP,No S,Yes 0
<br /> 54 5/22/98 9 58 19 13 -955 20,900 7,440 144 1,760 479 <100 NA No FP,No S,Yes 0
<br /> 53 8/12/98 9 58 1927 -969 13,600 4,860 159 1,200 408 <20 NA No FP,No S,Yes 0
<br /> 53 11/9/98 9 58 2036 -1078 26,100 9,270 375 1,950 895 <2 NA No FP,No S.Yes 0
<br /> 53 2117/99 9 58 1979 -1021 31,300 93820 595 2,340 1,570 846 NA No FP,No S,Yes O
<br /> 53 5/25199 958 1995 -1037 24,000 9,320 356 2,220 1,070 107 NA No FP,No S,Yes 0
<br /> 53 8/18/99 958 2008 -1050 26,400 9,670 364 2,250 866 15 NA No FP,No S,Yes 0
<br /> 53 12/17199[2] 958 2094 -11 36 26,900 8,800 113 2,070 610 5 82 NA No FP,No S,O=NE
<br /> 53 2/22/00 958 2052 -1094 1,300 487 19 2 122 65 4 6 52 NA No FP,No S,Yes O
<br /> 53 6122100 958 18 87 -929 21,300 7,430 616 1,610 3490 244 NA No FP,No S,Yes O
<br /> 8/30/00 9 58 1998 -1040 22,900 9,540 313 2,410 791 12 7 NA No FP,No S,Yes O
<br /> 11/21/00 9 58 2073 -11 15 31,300[4] 7,820 341 2,550 1,750 844 NA No FP,No S,Yes 0
<br /> 2/15/01 9 58 20 79 -11 21 39,800[6] 9,680 176 2,420 1,230 6 03 0 6 No FP,No S,O=NE
<br /> 5/17101 9 58 2004 -1046 27,100[5] 8,790 219 2,270 1,210 <10 0 5 No FP,No S,Yes O
<br /> 8/16/01 9 58 2132 -It 74 30,000 8,700 320 2,800 1,800 <100* 0 9 No FP,No S,Yes O
<br /> Arcot 168 QUAAl E[LLY DAT A XL5
<br /> 3 of 8 Delta
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