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Tabf
<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 msi) (feet bgs) (feet msl) (feet b s) (p 1L) (µglL) µg1L (p 11.) (u IL ( )
<br /> IL Observations
<br /> MW-2 53 02/16/95 1083 3748 -2665 33 0 36,000 6,300 4,600 610 2,700 NANo FP,No S,O=NE
<br /> MW-2 05/17/95 a Well Inaccessible
<br /> MW-2 53 08/15/95 1083 3245 -2162 20,000 3,500 2,000 280 1,300 NA No FP,No S,Yes O
<br /> MW-2 53 11/29/95 1083 3262 -2179 30,000 3,800 2,700 380 1,800 NA No FP,No S,Yes 0
<br /> MW-2 02/27/96 1083 2987 -1904 Well not sampled
<br /> MW-2 53 05/15/96 1083 28 16 -1733 16,000 2,600 1,000 210 910 <200**[1] No FP,No S, Yes 0
<br /> MW-2 53 08/22/96 1083 2876 -1793 34,000 5,900 2,500 560 2,300 <300**[1] No FP,No S,Yes 0
<br /> MW-2 11/25/96 1083 28 95 -18 12 26,000 4,000 2,000 390 1,800 <300*[1] No FP,No S,Yes 0
<br /> MW-2 02/24/97 1083 24 95 -14 12 22,000 3,100 1,300 340 1,400 <500**[I] No FP,No S, Yes O
<br /> MW-2 05/19/97 1083 2484 -1401 28,000 4,700 1,900 480 2,200 <300*[1] No FP,No S,Yes O
<br /> MW-2 52 08/21/97 1083 25 92 -1509 15,000 3,000 1,200 320 1,200 <500**[1] No FP,No S,Yes O
<br /> MW-2 53 11/17/97 1083 2694 -16 11 2,200 510 120 44 130 <100**[1] No FP,No S,No O
<br /> ,MW-2 53 02/09/98 1083 2433 -1350 15,000 3,700 790 440 1,000 <500**[1] No FP,No S, Yes 0
<br /> MW-2 52 05/21/98 1083 2038 -955 10,200 2,220 562 238 628 <100 No FP,No S,Yes O
<br /> MW-2 52 08/12/98 1083 2057 -9 74 1,100 234 390 23 8 494 <2 No FP,No S,Yes 0
<br /> MW-2 52 11/09/98 1083 2167 -1084 4,420 1,050 212 116 278 <2 No FP,No S,Yes O
<br /> MW-2 52 02/17/99 1083 2098 -1015 8,450 1,790 332 266 499 <2 No FP,No S,Yes 0
<br /> MW-2 52 05/25/99 1083 2028 -945 1,720 469 479 578 764 <2 No FP,No S,Yes O
<br /> MW-2 52 08/18/99 1083 2140 -1057 8,870 2,610 176 316 411 <2 No FP,No S, Yes O
<br /> MW-2 52 12/17/99[2] 1083 2224 -1141 1,090 309 796 12 8 5 <2 No FP,No S,O=NE
<br /> MW-2 52 02/22/00 10 83 2137 -1054 4,510 1,500 138 151 207 <
<br /> MW-2 53 06/22/00 10 83 20 19 -936 2 No FP,No S,Yes O
<br /> 735 141 17 12 22 <2 No FP,No S, Yes O
<br /> MW-2 08/30/00 1083 2239 -1156 8,200 2,310 204 259 322 <2 No FP,No S,Yes O
<br /> MW-2 11/21/00 1083 2196 -11 13 1,140[4] 210 17 4 233 515 <2 No FP,No S,Yes O
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<br /> z of 8 Delta
<br /> 2/19/01
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