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• Tabt1
<br /> Groundwater Monitoring Data Page 3 of 6
<br /> Former ARCO Service Station No. 2168, 441 Charter Way, Stockton, California
<br /> Well Elevation Static Elevation Top
<br /> Sample of Top Water of of Total
<br /> Number Date of Casmg Level Groundwater Screen TPHG Benzene Toluene Eth lbenzene Xylenes MTBE(Ij Observations
<br /> W-3
<br /> -3(36) 06/29/94 958 3783 -2825 44,000 14,000 5,300 1,800 5,500 NA No FP,No S,O=NE
<br /> MW-3(40) 09/26/94 958 3901 -2943 45,000 9,200 2,500 1,000 2,700 NA No FP,No S,O=NE
<br /> MW-3 12/01/94 958 3924 -2966 Well Not Sampled No FP,S=Yes,O=NE
<br /> MW-3(53) 02/16/95 958 3624 -2666 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 /> -3(53) 11/29/95 958 3125 -2167 41,000 10,000 350 1,900 860 NA No FP,No S,Yes 0
<br /> MW-3 02/27/96 958 2851 -1893 36,000 10,000 510 1,800 990 NA No FP,No S,Yes 0
<br /> MW-3(53) 05/15/96 958 2682 -1724 40,000 12,000 690 2,000 1,300 <500** No FP,No S,Yes 0
<br /> MW-3 08/22/96 958 2735 -1777 53,000 14,000 2,000 2,400 2,900 <500* No FP,No S,Yes 0
<br /> MW-3 11/25/96 9,58 2766 -1808 45,000 11,000 1,100 2,100 1,800 <500* No FP,No S,Yes 0
<br /> MW-3 02/14/97 958 2355 -1397 38,000 9,200 460 1,800 1,200 <500* No FP,No S,Yes 0
<br /> MW-3 05/19/97 958 2342 -1384 38,000 9,800 620 1,900 1,100 <600* 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** No FP,No S,Yes 0
<br /> -3(54) 11/17/97 958 2557 -1599 37,000 12,000 2,100 2,100 3,000 <1,000** No FP,No S,Yes 0
<br /> MW-3(54) 02/09/98 958 2307 -1349 32,000 9,700 510 2,000 2,700 <1,000** No FP,No S,Yes O
<br /> W-4
<br /> MW-4 01/20/93 1234 4435 -3201 370 NS NS NS NS NS NS No FP,No S,Yes 0
<br /> MW-4 01/26/93 1234 4399 -3165 NS NS NS NS NS NS No FP,No S,Yes 0
<br /> MW-4(59) 03/10/93 1234 4242 -3008 110,000 14,000 24,000 3,200 15,000 NA No FP,No S,Yes 0
<br /> MW-4(59) 06/10/93 1234 4068 -2834 110,000 9,100 17,000 2,700 13,000 NA No FP,No S,Yes 0
<br /> -4(59) 10/28/93 1234 4178 -2944 90,000 1,100 20,000 2,700 13,000 NA No FP,No S,Yes 0
<br /> -4(38) 03/23/94 1234 4123 -2889 38,000 7,600 12,000 2,000 10,000 NA No FP,No S,Yes 0
<br /> MW-4(38) 06/29/94 1234 4106 -2872 43,000 2,400 2,800 1,000 5,800 NA No FP,No S,O=NE
<br /> MW-4(43) 09/26/94 1234 4226 -2992 60,000 4,600 7,400 1,300 6,000 NA No FP,No S,O=NE
<br /> MW-4 12/01/94 1234 4241 -3007 Well Not Sampled No FP,S=Yes,O=NE
<br /> 02/16/95 1234 3925 -2691 77,000 9,200 13,000 1,700 8,000 NA No FP,No S,O=NE
<br /> MW-4(58) 05/17/95 1234 3465 -2231 89,000 11,000 17,000 2,100 9,900 NA No FP,No S,O=NE
<br /> -4(59) 08/15/95 1234 3430 -2196 74,000 6,400 10,000 1,600 7,600 NA No FP,No S,Yes 0
<br /> N\Iff,S^DSOSU 461 1\032398MI XLS
<br /> Emcon
<br /> Sheet i 3/23198
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