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On May 20s 1991, Blaine Tech Services, Inc. (BTS) , performed <br />' the sampling of the newly constructed monitoring wells 10 , <br /> 11, 12, 13, and EW-1 (Figure 2) . The results of this <br /> sampling episode are represented as Table 3 . <br />' TABLE 3 <br /> GROUNDWATER SAMPLE ANALYSES <br /> (5-20-91) <br />' SAMPLE LOCATION/CONCENTRATION <br /> CONSTITUENT NW-10 MW-11 MW-12 NW-13 EW-1 <br /> (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) <br /> Benzene ND ND ND ND 330. 0 <br /> Toluene ND 0. 3 ND 0. 3 24 .0 <br /> Ethylbenzene ND ND ND ND 240.0 <br /> Xylene ND 0.6 ND 0.6 1200.0 <br /> TPH--Gasoline ND 190. 0 ND ND 7200 . 0 <br />' EPA Method 601 <br /> 1,1-Dichloroethene ND ND ND 2 .0 ND <br /> 1,2-Dichloroethane ND 0. 7 9. 0 33 .0 15. 0 <br />' Trichloroethylene ND ND ND 8 . 0 ND <br /> Chlorobenzene ND ND ND 2 .0 ND <br /> Tetrachloroethene ND ND 0.7 ND ND <br /> P <br /> ' NOTE: ND Represents none detected <br /> On June 24 , 1991, BTS performed the quarterly sampling of <br /> monitoring wells 1 through 9. The results of this sampling <br /> episode are summarized as Table 4 . <br /> TABLE 4 <br /> GROUNDWATER SAMPLE ANALYSES <br /> (6-24-91) <br /> SAMPLE LOCATION/CONCENTRATION <br /> NW-1 MW-2 MW-3 MW-4 NW-5 MW-6 MW-7 MW-8 MW-9 <br /> (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) <br /> B 22 .0 0 . 5 39. 0 7400. 0 230.0 ND ND 0 . 4 300.0 <br /> T ND 0 . 3 ND 7000. 0 86.0 ND ND 0 .64 190.0 <br /> E 64 . 0 ND 200. 0 970.0 0. 4 ND ND 1.1 180.0 <br /> X 28 . 0 1. 3 81. 0 5700.0 53 .0 ND ND 15 . 0 240. 0 <br /> TPH-G 1300 .0 ND 4300. 0 54000 .0 880 .0 ND 79 .0 140 . 0 3900 . 0 <br /> NOTE: ND Represents none detected <br /> 6 <br /> STE Project No. 4001 <br /> Page 3 <br />