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M r IMM M MIair = r Js = MM
<br /> • Ta 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 /> Identification Sampled MSL feet b s MSL (Ugh) (u 11) ((U 11) (ug/1) (ug") (ug/1) u 1l) (u 1f) (ug") u 111 EDB(ug/1) u l
<br /> MW 1 09121/00 4 30 1296 -866 25,700 1,820 503 1,450 582 28,300 <20 292 108 3,710
<br /> 01/19/01 1290 -860 2,250 178 10 155 244 34,200 <20 260 215 3,910
<br /> 04/23/01 1194 -764 19,000 1,780 208 1480 1600 39,500 <10 0 <10 0 285 4,780
<br /> 07127101 1312 -882 13,000 1,700 98 1,100 730 40,000 <200 <200 290 <20,000
<br /> 11/01/01 1412 -982 14,000 1,100 20 980 470 24,000 <20 <20 190 2,400
<br /> 01128102 1261 -831 8,700 1,100 <50 1,000 320 18,000 <250 <250 <250 <2,500
<br /> 04123102 1270 -840 4,900 1,000 <30 940 210 17,000 <250 <250 <250 <2,500
<br /> 07/29/02 525111 1370 -845 10 000 850 270 1,000 860 7,400 <50 <50 79 1,600
<br /> 10107/02 14 54 929 6,300 500 091 800 34 3,800 <5 0 <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 /> 04/03103 1372 -847 5,8001 760 15 1,100 140 770 <50 <50 <50 9,200
<br /> 07/21/03 14 34 909 4,400121 640 <0 50 930 82 230 <50 <50 11 8,800
<br /> 10/13103 1509 -984 4,600j21 700 <25 940 93 1,000 <50 <50 <50 5,800 <50 <50
<br /> 01112/04 1443 918 3 000 600 10 660 47 310 <5 0 <50 <5 0 4,500 <5 0 <50
<br /> 06/22/04 1419 -894 4,200" 910 23 280 17 220 <20 <20 <20 9,800 <20 <20
<br /> 08/12104 14 61 936 1,100f1 86 15 16 <20 34 <0 50 <0 50 <0 50 3,200 <0 50 <0 50
<br /> 10/21104 1489 -964 5,4001�1 780 99 720 940 52 <0 50 <0 50 <0 50 7,200 <0 50 15
<br /> 01117105 1382 857 3,900121 750 30 180 140 <100 <10 <10 68 5,100 <10 <10
<br /> 04/18105 1246 -721750 71 <50 36 <10 10 <5 0 <50 <50 2,600 <50 <50
<br /> 07118/05 1313 -788 1,400 520 13 33 37 80 <25 <25 <25 8 500 <25 <25
<br /> 10/17105 1401 -876 - 1500 290 94 46 16 55 <0 50 <0 50 <0 50 3,400 <0 50 <0 50
<br /> ti
<br /> Shaw Environmental,Inc
<br /> N 1TechPWUOG401A Atio12005 Rpts1Q41405 Table 1Table 1 Page 1 of 4 Rev 0 04104106
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