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w w rw �w wr w ■w �■w aw w� uw r wr w� �■s <br /> Ta • <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_ (qg4) (ug/1) (u 1L) (u Il) (Ug/1) u II) u 11 (U911) u 11 u 1lEDB(u 1!) ((u11) <br /> I <br /> MW-2 09/21/00 474 1323 -849 529 <05 <0 5 <0 5 <0 5 5,830 <2 0 <2 0 45 1,150 <br /> 01/19101 1323 849 <500 <5 0 <50 <50 <5 0 21,600 <2 0 <2 0 168 2 520 <br /> 04123!01 1227 753 <500 <5 0 <50 <50 <50 10,400 <2 0 <2 0 675 697 <br /> 07127101 1345 871 190 <0 5 20 41 29 4,800 <100 <100 <100 <10,000 <br /> 11101!01 1445 971 <50 <0 5 <05 <0 5 18 3100 <10 <1 0 21 <100 <br /> 01!28102 1293 819 <50 <0 5 <05 <0 5 <0 5 3,300 <100 <100 <100 0,000 <br /> 04/23102 1302 828 <50 <0 3 <03 <0 3 <06 3,700 <50 <50 30 65,000 <br /> 07/29/02 565111 1402 837 <50 <03 <0 3 <0 3 <0 6 4,000 <5 0 <5 0 34 61 <br /> 10/07/02 1488 923 9912, <0 30 <030 <0 30 <060 5,000 <50 <50 43 <50 <br /> 01/02/03 1431 866 <50 096 <0 30 <0 30 <0 60 4 400 <50 <50 <50 <50 <br /> 04/03/03 1402 837 <50 34 <0 50 <0 50 <1 0 3,600 <50 <50 25 <50 <br /> 07121103 14 69 -904 <50 <0 50 <0 50 <0 50 <10 4 200 <5 0 <5 0 37 <50 <br /> 10/13/03 1542 977 <50 <0 50 <050 <050 <10 4,700 <50 <50 <50 <500 <50 <50 <br /> 01/12104 1478 913 <50 <050 <0 50 <0 50 <1 0 1,700 <50 <50 12 <100 <0 50 <0 50 <br /> 06122104 1453 -888 <50 <0 50 <0 50 <0 50 <10 2,000 <25 <25 <25 <250 <25 <25 <br /> 08/12/04 1504 939 <50 <0 50 <0 50 <0 50 <10 2 500 <0 50 <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 <050 10 880 <0 50 <0 50 <br /> 01/17/05 1410 845 <50 <0 50 <0 50 <0 50 <1 0 1 500 <25 <25 160 330 <25 <25 <br /> 04/18/05 1278 -713 65 <0 50 <0 50 <050 <1 0 470 <5 0 <5 0 <5 0 170 <5 0 <50 <br /> 07/18/05 1346 -781 <50 <050 <0 50 <0 50 <1 0 720 <25 <25 <25 <250 <25 <25 <br /> 10117!05 1432 -867 <50 <0 50 <050 <0 50 <1 0 1,200 <0 50 <0 50 50 <50 <0 50 <0 50 <br /> Shaw Environmental,Inc <br /> N�Techpuh000401A Arco14005 RpIs1Q414005 Table iTable 1 Page 2 of 4 Rev 0 04104106 <br />