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Tab*
<br /> • c
<br /> Groundwater Monitoring Data W
<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 b s) (feet msl) feet b s) (µg1L) µ 1L) (µg1L) (µ 1L) (µ 11.) (µg\L Observations
<br /> MW-3 53 02/16/95 958 3624 -2666 360 37,000 14,000 340 2,100 470 NA No FP,No S,O=NE
<br /> MW-3 53 05/17/95 958 3149 -2191 39,000 13,000 1,200 2,100 1,500 NA No FP,No S,O=NE
<br /> MW-3 53 08/15/95 958 3106 -2148 31,000 11,000 220 1,800 910 NA No FP,No S,Yes O
<br /> MW-3 53 11/29/95 9 58 31 25 -21 67 41,000 10,000 350 1,900 860 NA No FP,No S,Yes O
<br /> MW-3 02/27/96 958 2851 -1893 36,000 10,000 510 1,800 990 NA No FP,No S,Yes O
<br /> MW-3 53 05/15/96 9 58 26 82 -1724 40,000 12,000 690 2,000 1,300 <500**[I] No FP,No S,Yes O
<br /> MW-3 08/22/96 958 27 35 -1777 53,000 14,000 2,000 2,400 2,900 <500*[I] No FP,No S,Yes O
<br /> MW-3 11/25/96 958 2766 -18 08 45,000 11,000 1,100 2,100 1,800 <500*[1] No FP,No S,Yes 0
<br /> MW-3 02/24/97 958 23 55 -1397 38,000 9,200 460 1,800 1,200 <500*[1] No FP,No S,Yes O
<br /> MW-3 05/19/97 958 2342 -13 84 38,000 9,800 620 1,900 1,100 <600*[I] No FP,No S,Yes 0
<br /> MW-3 53 08/21/97 958 2449 -1491 36,000 9,500 910 2,000 1,500 <2,000**[lj No FP,No S,Yes 0
<br /> MW-3 54 11/17/97 958 25 57 -1599 37,000 12,000 2,100 2,100 3,000 <1,000**[lj No FP,No S,Yes 0
<br /> MW-3 54 02/09/98 958 23 07 -1349 32,000 9,700 510 2,000 2,700 <1,000**[Il No FP,No S,Yes 0
<br /> MW-3 54 05/22/98 958 19 l3 -955 20,900 7,440 144 1,760 479 <100 No FP,No S,Yes O
<br /> MW-3 53 08/12/98 958 1927 -969 13,600 4,860 159 1,200 408 <20 No FP,No S,Yes O
<br /> MW-3 53 11/09/98 958 2036 -1078 26,100 9,270 375 1,950 895 <2 No FP,No S,Yes 0
<br /> MW-3 53 02/17/99 958 1979 -1021 31,300 9,820 595 2,340 1,570 846 No FP,No S,Yes O
<br /> MW-3 53 05/25/99 958 l9 95 -1037 24,000 9,320 356 2,220 1,070 10 7 No FP,No S,Yes O
<br /> MW-3 53 08/18/99 958 2008 -1050 26,400 9,670 364 2,250 866 15 No FP,No S,Yes O
<br /> MW-3 53 12/17/99[2] 958 2094 -1136 26,900 8,800 113 2,070 610 5 82 No FP,No S,O=NE
<br /> MW-3 53 02/22/00 958 2052 -1094 1,300 487 192 122 654 652 No FP,No S,Yes O
<br /> MW-3 53 06/22/00 958 1887 -929 21,300 7,430 616 1,610 3490 244 No FP,No S,Yes 0
<br /> MW-3 08/30/00 958 1998 -1040 22,900 9,540 313 2,410 791 127 No FP,No S,Yes 0
<br /> PA VILIONWyDocumernts\ARC0121681QTRLY1200012168Q300 Delta
<br /> 3 of 8 11/30/00
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