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Tab
<br /> s
<br /> Groundwater Monitoring Data
<br /> 1995 to Present
<br /> Former ARCO Service Station No 2168
<br /> 441 Charter Way, Stockton, California
<br /> Elevation Static Elevation Top
<br /> Well ID of Top Water of of Ethyl- Total
<br /> &Sample of Casing Level Groundwater Screen TPHG Benzene Toluene benzene Xylenes MTBE
<br /> Depth Date (feet msl) feet bgs) (feet msl) (feet b s) (p \L) (pg1L) (µg1L) (µ IL) (pg1L) (4\L) Observations
<br /> MW-1 54 02/16/95 1045 37 11 -2666 35 5 36,000 11,000 460 990 3,200 NA No FP,No S, O=NE
<br /> MW-1 53 05/17/95 1045 3261 -22 16 38,000 12,000 790 1,100 3,400 NA No FP,No S,O=NE
<br /> MW-1 54 08/15/95 1045 32 13 -2168 45,000 10,000 330 1,000 3,300 NA No FP,No S,Yes O
<br /> MW-1 54 11/29/95 1045 3232 -21 87 46,000 9,800 370 1,100 2,900 NA No FP,No S,Yes O
<br /> MW-1 02/27/96 Well Inaccessible
<br /> MW-1 53 05/15/96 1045 27 88 -1743 34,000 9,400 670 1,000 2,100 <25*[I] No FP,No S,Yes O
<br /> MW-1 53 08/22/96 1045 2850 -1805 35,000 9,100 1,000 1,000 2,000 <500*[1] No FP,No S,Yes 0
<br /> MW-1 11/25/96 10 45 2871 -1826 37,000 7,900 460 870 1,500 <500*[I] No FP,No S,Yes 0
<br /> MW-1 02/24/97 1045 2466 -1421 37,000 8,300 740 900 2,200 <500*[1] No FP,No S,Yes 0
<br /> MW-1 05/19/97 1045 2454 -14 09 30,000 8,200 310 780 1,100 <600*[1] No FP,No S,Yes 0
<br /> MW-1 54 08/21/97 1045 2562 -15 17 28,000 8,200 380 860 1,100 <2,000**[1] No FP,No S,Yes 0
<br /> MW-1 54 11/17/97 1045 2667 -1622 23,000 9,300 580 820 1,300 <1,000**[1] No FP,No S,Yes 0
<br /> MW-1 54 02/09/98 1045 24 09 -13 64 20,000 6,800 360 700 1,100 <1,000**[i] No FP,No S,Yes 0
<br /> MW-1 53 05/22/98 1045 2008 -9 63 20,700 6,650 413 588 1,030 <100 No FP,No S,Yes O
<br /> MW-1 53 08/12/98 1045 2026 -9 81 22,000 8,690 510 785 1,220 <2 No FP,No S,Yes 0
<br /> MW-I 53 11/09/98 1045 2140 -1095 21,300 7,420 289 628 1,020 2420 No FP,No S,Yes 0
<br /> MW-1 53 02/17/99 1045 2060 -10 15 2,650 834 48 3 902 138 23 80 No FP,No S,Yes 0
<br /> MW-1 53 05/25/99 1045 1996 -951 22,600 8,410 291 854 1,160 3080 No FP,No S,Yes 0
<br /> MW-1 53 08/18/99 1045 2195 -11 50 19,400 7,860 228 670 958 1160 No FP,No S,Yes 0
<br /> MW-1 53 12/17/99[2] 1045 21 90 -1145 15,900 5,630 121 379 579 3440 No FP,No S,O=NE
<br /> MW-1 53 02/22/00 1045 21 13 -1068 19,700 8,830 228 800 932 1930 No FP,No S,Yes O
<br /> MW-1 54 06/22/00 1045 1989 -944 19,900 6,020 139 401 486 1320 No FP,No S,Yes O
<br /> MW-1 08/30/00 1045 2092 -1047 18,300 8,600 254 654 650 228 No FP,No S,Yes O
<br /> PAVILIONWyDoctimenlstiARC0121681QTRLY11,9Q012168Q300 Delta
<br /> 1 of 8 11/30/00
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