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<br /> Table 1
<br /> Groundwater 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 RIPE ETBE TAME TBA 1,2 DCA
<br /> Identification Sampled MSL feet b s MSL (ug") (Ug/1) (U 11)( u 11 (ug") (ugh) (U911) (ug/1) (U[1)( (u 11) EDB(ug/1) (ug/1)
<br /> MW 1 09/21/00 430 1296 $66 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 <2 0 2 60 215 3,910
<br /> 04/23/01 1194 764 19,000 1,780 208 1,480 1600 39,500 <10 0 <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 /> 11101!01 1412 -982 14,000 1,100 20 980 470 24,000 <20 <20 190 2,400
<br /> 01128/02 1261 -831 8,700 1,100 <50 1,000 320 18,000 <250 <250 <250 <2,500
<br /> 04/23/02 12 70 -840 4,900 1,000 <3 0 940 210 17,000 <250 <250 <250 <2,500
<br /> 07/29/02 5 25 13 70 845 10,000 850 270 1,000 860 7,400 <50 <5 0 79 1,600
<br /> 10107102 1454 -929 6,300 500 091 800 34 3,800 <50 <5 0 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 /> 04103/03 1372 -847 5,800121 760 15 1,100 140 770 <50 <50 <50 9,200
<br /> 07/21103 1434 909 4,4001" 640 <0 50 930 82 230 <50 <5 0 11 8,800
<br /> 10!13103 1509 984 4,600rl 700 <25 940 93 1,000 <50 <50 <50 5,800 <50 <50
<br /> 01/12/04 1443 918 3,000 600 10 660 47 310 <50 <50 <50 4,500 <50 <5 0
<br /> 06/22/04 1419 -894 4,200 910 23 280 17 220 <20 <20 <20 9,800 <20 <20
<br /> 08112104 1461 936 1,100Ea 86 15 16 <20 34 <0 50 <0 50 <0 50 3,200 <0 50 <0 50
<br /> MW-2 09/21/00 474 1323 -849 529 <0 5 <0 5 <0 5 <0 5 5,830 <20 <20 45 1,150
<br /> 01/19/01 1323 -849 <500 <5 0 <5 0 <5 0 <5 0 21,600 <20 <20 168 2,520
<br /> 04/23/01 1227 -753 <500 <50 <5 0 <5 0 <5 0 10,400 <20 <2 0 675 697
<br /> 07127101 1345 -871 190 <0 5 20 41 29 4,800 <100 <100 <100 <10 000
<br /> 11/01101 1445 971 <50 <05 <0 5 <0 5 18 3,100 <10 <1 0 21 <100
<br /> 01/28102 1293 -819 <50 <05 <05 <05 <05 3,300 <100 <100 <100 <1,000
<br /> 04123102 1302 -828 <50 <0 3 <03 <03 <06 3,700 <50 <50 30 65,000
<br /> 07129!02 5 651�1 1402 -837 <50 <0 3 <03 <03 <06 4,000 <5 0 <50 34 61
<br /> 10/07/02 1488 -923 99p1 <0 30 <0 30 <0 30 <0 60 5,000 <5 0 <50 43 <50
<br /> 01102/03 14 31 -866 <50 096 <0 30 <030 <0 60 4,400 <5 0 <50 <5 0 <50
<br /> 04103/03 14 02 837 <50 34 <0 50 <0 50 <10 3,600 <5 0 <50 25 <50
<br /> 07/21/03 1469 904 <50 <0 50 <0 50 <0 50 <10 4,200 <5 0 <50 37 <50
<br /> 10/13103 1542 977 <50 <0 50 <0 50 <0 50 <10 4,700 <50 <50 <50 <500 <50 <50
<br /> 01112/04 1478 -913 <50 <0 50 <0 50 <0 50 <10 1,700 <50 <5 0 12 <100 <0 50 <0 50
<br /> 06/22/04 14 53 -888 <50 <050 <0 50 <0 50 <10 2,000 <25 <25 <25 <250 <25 <25
<br /> 08/12104 1504 -939 <50 <0 50 <0 50 <0 50 <10 2,500 <0 50 <0 50 16 120 <0 50 <0 50
<br /> 1
<br /> Sbaw Environmental,lnc
<br /> N 5mcfp11Prglecrs\Proj&ts1880104011A1014713Q04 8/30/2004
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