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M wmbm M MM M M Mw M M M
<br /> Table 2 Page 1 of 3 Pages
<br /> Groundwater Monitoring Date
<br /> ARCO Service Station 2168,411 Charter Way,Stockton California
<br /> Well Elevation Static Elevation
<br /> Sample of Top Water of Total
<br /> Number Date of Casing Level Groundwater TPHG Benzene Toluene Ethylbenzene Xylenes Observations
<br /> MW-1
<br /> W-40-MW-1 05/11/92 1045 4027 -2982 60,000 5,900 1,600 430 800 No FP, No S,Yes O
<br /> MW-1(54) 08/24/92 1045 4206 -3161 14,000 4,100 330 310 490 No FP,No S,Yes 0
<br /> MW-1(54) 12/17/92 1045 4279 -3234 14,000 3 500 410 400 800 No FP,No S,Yes O
<br /> MW-1(54) 03/10/93 1045 4042 2997 28,000 6,500 340 580 1,700 No FP, No S Yes O
<br /> MW-1(54) 06/10/93 1045 3858 2813 23 000 5 600 640 470 1,400 No FP, No S Yes O
<br /> MW-1(54) 09/02/93 1045 3950 2905 27 000 7,500 700 620 2 300 No FF, No S Yes O
<br /> MW-1(54) 10/28/93 1045 3973 2928 31000 8,900 1,200 830 2,300 No FP, No S,Yes O
<br /> MW-1(39) 03/23/93 1045 3923 2978 34 000 8,300 630 740 2,400 No FP No S Yes O
<br /> MW-1(39) 06/29/94 1045 3902 -2857 36,000 11 000 11,500 840 3,300 No FP No S O=NE
<br /> MW 1(41) 09/26/94 1045 4025 -2980 34,000 6 000 490 550 1 400 No FP No S O=NE
<br /> MW 1(41) 12/01194 1045 4041 -2996 60,000 7 100 1000 290 710 No FP, No S,O=NE
<br /> MW-1(54) 02/16195 1045 3711 2666 36,000 11 000 460 990 3,200 No FP, No S,O=NE
<br /> MW-1(53) 05/17/95 1045 3261 2216 38 000 12,000 790 1 100 3 400 No FP,No S,O=NE
<br /> MW-2
<br /> W-40-MW-2 05/11/92 1083 4063 -2980 14,000 2,100 160 <50 1,100 No FP, No S,Yes O
<br /> MW-2(53) 08/24/92 1083 4244 -3161 12 000 2,400 1,100 110 600 No FP,No S,Yes 0
<br /> MW-2(53) 12/17/92 1083 4318 -3235 13 000 2,500 1 500 190 880 No FP, Na S,Yes O
<br /> MW 2(53) 03/10/93 1083 4077 -2994 16 000 3,300 1,500 210 100 No FP, No S,Yes 0
<br /> MW-2(53) 06/10/93 1083 3894 2811 19 000 3,700 1 800 280 1 100 No FP, No S,Yes 0
<br /> MW-2(53) 09/02/93 1083 3986 2903 18,000 3,300 1,800 260 1,200 No FP, No S,Yes O
<br /> MW-2(53) 10/28/93 1083 4009 -2926 17,000 3 600 2,300 320 1,500 No FP,No S Yes 0
<br /> MW-2(39) 03/23/93 1083 3961 2878 29,000 4,100 2,800 410 1,600 No FP, No S,Yes O
<br /> MW-2(39) 06/29/94 1083 3940 2857 23,000 4,400 2,600 330 1,500 No FP,S=NE,O=NE
<br /> MW-2(41) 09/26/94 1083 4064 -29 61 22,004 2,300 1200 <0 5 850 No FP,S=NE,O=NE
<br /> MW-2 12/01/94 1083 4083 -3000 31000 4300 3,700 460 2,100 No FP,S=NE O=NE
<br /> MW-2(53) 02/16/95 1083 3748 2665 36,000 6,300 4 600 610 2,700 No FP, No S O=NE
<br /> MW-2 05/17/95 Wall Inaccessible
<br /> MW-3
<br /> W-39-MW-3 05/11/92 958 3905 -2947 65 000 13,000 3,000 1,800 8,300 No FP,No S, No O
<br /> MW-3(54) 08/24/92 958 4084 -3126 77,000 15,000 9,400 2,300 2,300 No FP,No S,No 0
<br /> MW-3(54) 12/17/92 958 4169 -3211 67,000 12,000 5,500 2 100 7200 No FP,No S,No O
<br /> MW-3(54) 03/10/93 958 3954 2996 51,000 16,000 1,300 1,800 4,900 No FP,No S,Yes 0
<br /> MW-3(54) 06/10/93 958 3742 -2784 44,000 12,000 2 100 1,800 3,200 No FP, No S,Yes 0
<br /> MW-3(54) 09/02/93 958 3823 -2865 49,000 13,000 2,200 2,100 4,500 No FP, No S,Yes O
<br /> MW 3(54) 10/28/93 958 3846 2888 46 000 14 000 1,900 2,000 4,200 No FP,No S,Yes O
<br /> MW-3(36) 03/23/93 958 3802 2844 42 000 12 000 2 300 1,900 3 300 No FP, No S Yes O
<br /> AM0805\146031062795a2 As
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