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1 <br />' Report of Findings <br /> Frontier Transportation <br /> 03-28-98 <br />' March 28, 1998 <br /> Table 4.Janna 1998 Soil Sample Results <br />' well M Depth TPH-d TPH-g B T E X MTBE <br /> MW-4 5' ND ND ND ND ND ND ND <br />' 10' ND ND ND ND ND ND ND <br /> 15' ND ND ND ND ND ND ND <br /> 20' ND ND ND ND ND ND ND <br />' 25' ND ND ND ND ND ND ND <br /> MW-5 5' ND ND ND ND ND ND ND <br /> 10' ND ND ND ND ND ND ND <br />' 15' ND ND ND ND ND ND ND <br /> 20' ND ND ND ND ND ND ND <br /> MW-6 5' ND ND ND ND ND ND ND <br /> 10' ND ND ND ND ND ND ND <br /> 15' ND ND ND ND ND ND ND <br /> 20' ND ND ND ND ND ND ND <br />' MW-7 5' ND ND ND ND ND ND ND <br /> 10' ND ND ND ND ND ND ND <br /> 15' ND ND ND ND ND ND ND <br /> 20' ND ND ND ND ND ND ND <br /> Rl s 10 m l m 5 /k 5 Fi 5 10 25 Ik <br />' Laboratory analysis results identified no detectable concentrations of TPH-d, TPH-g, <br /> BTEX, and MTBE from all seventeen (17) soil samples collected from monitoring wells MW-4 <br />' through MW-7. Previous site investigations identified impacted soil in a localized area near the <br /> former gasoline USTs only. The extent of petroleum impacted soil is limited to an area near the <br /> former USTs and is confined to the site. <br /> 1 6.0) GROUNDWATER SAMPLE RESULTS <br />' On March 4, 1998,BEI, Inc. collected groundwater samples from MW-1 through MW-7 <br /> for laboratory analysis. Groundwater parameters (pH, temperature, and conductivity)were <br /> measured before, during, and after well purging (See Appendix D for Groundwater Parameters). <br /> Groundwater samples were analyzed for TPH-d, TPH-g, and BTEX with MTBE using EPA . <br /> methods 8015 modified for gasoline, 8015 modified for diesel, and 8020, respectively. <br /> Laboratory analysis results for all monitoring episodes are presented in Table 5 and the recent <br /> 1 laboratory analytical reports are included as Appendix E. <br /> 1 !� <br /> 6 <br />