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abte 2 Page 3 a 3 Pages <br /> Groundwater Monitoring Data <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 X lenes Observations <br /> MW-6(cont) <br /> MW-6(41) 06/29/94 893 3692 -2799 60 000 11 000 15,000 1,000 8,300 No FP,S=NE O=NE <br /> MW 6(39) 09/26194 893 3815 -29 22 92,000 7,500 13,000 1,100 6 800 No FP,S=NE,O=NE <br /> MW 6 12/01/94 893 3836 -2943 Well Not Sampled No FP S=Yes,O=NE <br /> MW 6(47) 02/16/95 893 3706 -2813 39,000 6,400 5,200 850 4,400 No FP, No S O=NE <br /> MW-6(46) 05/17/95 893 3064 -2171 130,000 9,900 16 000 1 800 10,000 No FP No S O=NE <br /> MW-7 <br /> MW-7 10/28/93 888 38 11 -2923 42 000 31,000 9,300 970 6 000 No FP,No S,Yes O <br /> MW-7 03/23/94 888 3663 -2775 44,000 3,000 8,600 870 5,600 No FP <br /> MW-7 06/29/94 888 3739 -2851 24,000 850 4 500 630 4 400 No FP S=NE,O=NE <br /> MW-7(39) 09/26/94 888 3867 2979 46,000 1,600 6 400 610 4,200 No FP,SAE O=NE <br /> MW 7 12/01/94 888 3887 2999 24 000 800 5 700 560 4 500 No FP S.No,O=NE <br /> MW 7 02/16/95 880 Well Inaccessible <br /> MW-7 05/17/95 880 3050 -2170 40,000 2 300 8 200 820 4 800 No FP S=No,O=NE <br /> TBLB <br /> TBLB 09/26/94 NA NA NA <50 <0 5 <0 5 <0 5 <0 5 NA <br /> TBLB 12/01/94 NA NA NA <50 <0 5 <0 5 <0 5 <0 5 NA <br /> TBLB 07/16/95 NA NA NA <50 <0 5 <0 5 <0 5 <0 5 NA <br /> NA =Not apphcable NS-Not sampled NE-Not evaluated O-Obvious product S-Sheen FP Free product <br /> Analytical results In parts per billion <br /> TPHG-Total petroleum hydrocarbons as gasoline <br /> Measurements in feet <br /> Elevation datum is mean sea level <br /> <-Below detection limit for analytical methods used <br /> Sample designations. <br /> MW-4(34)-Well ID and sample depth(feet) <br /> W 24-MW3R Water sample,sample depth(feet),R-Rinsate blank <br /> As108051146031062795a2;ds <br />