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<br /> IS e 1
<br /> Groundwater Elevations and Analytical Data
<br /> Parkinson's Arco
<br /> 3250 West Hammer Lane
<br /> Stockton,California
<br /> Top of
<br /> Casing Depth to Groundwater TPH as Ethyl-
<br /> Sample Date Elevation Water Elevation Gasoline Benzene Toluene benzene Xylenes MtBE DIPE ETBE TAME TBA 1,2-DCA
<br /> ldenhfication Sampled MSL feet b s MSL u n (U[<)( (ugh) (U 11)( (u 11)( (u9n) u A (Ug") (ug/1) (uq11) EDB (u 11)( (ug/1)
<br /> MW-1 09/21/00 430 1296 -866 25,700 1,820 503 1,450 582 28,300 <20 292 108 3,710
<br /> 01119/01 1290 -860 2,250 178 10 155 244 34 200 <20 260 215 3 910
<br /> 04123/01 1194 764 19,000 1,780 208 1,480 1600 39,500 <100 <10 0 285 4,780
<br /> 07/27/01 1312 882 13 000 1 700 98 1 100 730 40,000 <200 <200 290 <20,000
<br /> 11/01/01 1412 -9 82 14,000 1,100 20 980 470 24,000 <20 <20 190 2,400
<br /> 01/28/02 1261 -831 8,700 1,100 <50 1,000 320 18,000 <250 <250 <250 <2,500
<br /> 04/23/02 1270 -840 4,900 1,000 <3 0 940 210 17,000 <250 <250 <250 <2,500
<br /> 07/29102 5 25111 1370 -845 10,000 850 270 1,000 860 7,400 <5 0 <50 79 1,600
<br /> 10/07/02 1454 -929 6 300 500 091 800 34 3,800 <50 <50 67 3,900
<br /> 01/02/03 1398 - -873 4,500 1,000 44 1,500 310 2,500 <250 <250 <250 23,000
<br /> 04/03/03 1372 -847 5,80014 760 15 1,100 140 770 <50 <50 <50 9,200
<br /> 07/21/03 1434 -909 4,40014 640 <050 930 82 230 <50 <5 0 11 8,800
<br /> 10/13/03 1509 -984 4,60014 700 <25 940 93 1,000 <50 <50 <50 5 800 <50 <50
<br /> 01/12/04 1443 9 18 3,000 600 10 660 47 310 <50 <5 0 <5 0 4,500 <50 <50
<br /> 06/22/04 1419 -894 4,20014 910 23 280 17 220 <20 <20 <20 9 800 <20 <20
<br /> 08/12/04 1461 -936 1,10014 86 15 16 <20 34 <0 50 <0 50 <0 50 3,200 <050 <050
<br /> 10/21/04 1489 -964 5,40014 780 99 720 940 52 <0 50 <0 50 <0 50 7,200 <0 50 15
<br /> 01/17/05 1382 -857 3,90014 750 30 180 140 <100 <10 <10 68 5,100 <10 <10
<br /> 04/18/05 1246 -721 750 71 <50 36 <10 10 <5 0 <50 <50 2,600 <50 <50
<br /> I
<br /> NVanefpllProjects\Projects188010401IA\01071200511Q0512QOS xls 1 of4 Shaw Environmental,Inc
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