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Table 1
<br /> Groundwater Analytical Data
<br /> Parkinson's Arco
<br /> 3250 West Hammer Lane
<br /> Stockton,California
<br /> 'fop of
<br /> Casing Depth to Groundwater TRH 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) (MSLj JU911) (U911) (ugh) (ug/1) (Ugh) (ug/1) NO) (ug/1) u 1 u 11 EDB u 11 u 1l
<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 /> 01119101 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 1,480 1600 39,500 <100 <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 /> 11/01101 1412 -982 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 /> 04/23102 1270 -840 4,900 1,000 <30 940 210 17,000 <250 <250 <250 <2,500
<br /> 07/29102 525111 13 70 -845 10,000 850 270 1,000 860 7,400 <5 0 <50 79 1,600
<br /> 10/07102 14 54 929 6,300 500 091 800 34 3,800 <50 <5 0 67 3,900
<br /> 01/02103 1398 -873 4,500 1,000 44 1,500 310 2,500 <250 <250 <250 23,000
<br /> 04/03103 1372 847 5,800 760 15 1 100 140 770 <50 <50 <50 9,200
<br /> 07121/03 14 34 909 4,400" 640 <0 50 930 82 230 <50 <50 11 8,800
<br /> 10113/03 1509 -984 4,600121 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 <5 0 <50 <50 4,500 <5 0 <50
<br /> 06122/04 1419 -894 4,20012) 910 23 280 17 220 <20 <20 <20 9,800 <20 <20
<br /> 08112!04 1461 -936 1,100121 86 15 16 <20 34 <0 50 <0 50 <0 50 3,200 <050 <0 50
<br /> 10/21104 1489 -964 51400121 780 99 720 940 52 <0 50 <0 50 <050 7,200 <0 50 15 "
<br /> MW-2 09/21100 474 1323 849 529 <0 5 <0 5 <05 <05 5,830 <2 0 <20 45 1 150
<br /> 01/19/01 1323 -849 <500 <50 <5 0 <50 <50 21,600 <2 0 <20 168 2,520
<br /> i 04/23/01 1227 -753 <500 <50 <50 <50 <50 10,400 <2 0 <20 675 697
<br /> 07/27/01 1345 871 190 <0 5 20 41 29 4,800 <100 <100 <100 <10,000
<br /> 11101101 1445 971 <50 <0 5 <0 5 <0 5 18 3,100 <10 <10 21 <100
<br /> 01/28/02 1293 819 <50 <0 5 <0 5 <05 <0 5 3,300 <100 <100 <100 <1,000
<br /> 04/23/02 1302 -828 <50 <0 3 <0 3 <0 3 <0 6 3,700 <50 <5 0 30 65,000
<br /> 07/29102 565111 14 02 837 <50 <0 3 <0 3 <0 3 <0 6 4,000 <50 <5 0 34 61
<br /> 10/07/02 1488 923 99121 <0 30 <0 30 <0 30 <0 60 5,000 <50 <5 0 43 <50
<br /> 01/02103 1431 -866 <50 096 <030 <030 <0 60 4,400 <50 <5 0 <50 <50
<br /> 04/03/03 1402 -837 <50 34 <0 50 <0 50 <1 0 3,600 <5 0 <5 0 25 <50
<br /> 07/21/03 1469 -904 <50 <050 <0 50 <050 <1 0 4,200 <50 <5 0 37 <50
<br /> 10/13/03 1542 -977 <50 <0 50 <0 50 <0 50 <1 0 4,700 <50 <50 <50 <500 <50 <50
<br /> 01/12/04 1478 -913 <50 <0 50 <050 <0 50 <1 0 1,700 <50 <5 0 12 <100 <0 50 <0 50
<br /> 06122104 1453 888 <50 <0 50 <050 <0 50 <1 0 2,000 <25 <25 <25 <250 <25 <25
<br /> 08/12/04 1504 939 <50 <0 50 <050 <0 50 <1 0 2,500 <050 <0 50 16 120 <0 50 <0 50
<br /> 10/21/04 1519 954 <50 <0 50 <0 50 <0 50 <1 0 1,100 <0 50 <0 50 10 880 <0 50 <050
<br /> Shaw Environmental Inc
<br /> N 4ancfplTrojectsTrojects18605040\1A\010714Q04 11/5/2004
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