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1 <br /> TABLE 2 <br /> GROUNDWATER SAMPLE ANALYSES <br /> (7-7-90) <br /> SAMPLE LOCATION/CONCENTRATION <br />' CONSTITUENT MW-6 MW-7 MW-8 NW-9 <br /> (ug/L) (ug/L) (ug/L) (ug/L) <br />' Benzene ND 3 .7 140.0 150. 0 <br /> Toluene 2. 2 0 .6 55.0 72.0 <br /> Ethylbenzene 0. 3 0. 9 160.0 83.0 <br />' Xylene 3 .4 7. 3 160.0 190.0 <br /> TPH-Gasoline ND 350.0 1700.0 2300.0 <br />' NOTE: ND Represents none detected <br /> On May 20, 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 FEW-10 FEW-11 NW-12 kIW-13 EW-1 <br /> (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) <br /> iBenzene 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 /> I Trichloroethylene ND ND ND 8.0 ND <br /> Chlorobenzene ND ND ND 2.0 ND <br /> Tetrachloroethene ND ND 0.7 ND ND <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 /> STE Project No. 4001 <br /> Page 3 <br />