Laserfiche WebLink
i <br /> i2002 4th Quarter Groundwater Report <br /> Frontier Transportation <br /> 0303-214 <br /> i April 11, 2003 <br /> Page 5 <br />' Appendix B) See Figure 6 for the recent MTBE lsoconcentration Map <br /> 5.0) CONCLUSIONS AND RECOMMENDATIONS <br />' Based on groundwater sample analysis results, the dissolved TPH-g and BTEX plumes <br /> appear to be localized near the former UST locations No detectable concentrations of dissolved <br />' TPH-d, TPH-g, BTEX, and MTBE were identified in eleven of the thirteen monitoring wells <br /> dedicated to the site However, the identification of dissolved MTBE in MW-1 maybe an <br /> indicator that lateral migration of MTBE may be occurring <br />' <br /> BEH recommends thatart rl r <br /> qu e y groundwater monitoring continue at the site until <br />' constant or decreasing dissolved petroleum hydrocarbon concentrations are observed <br /> Groundwater samples will be analyzed for BTEX using EPA method 8020, TPH-d and TPH-g <br /> using EPA method 8015m, and oxygenates using EPA method 8260 in all future monitoring <br />' episodes as directed by the PHS/EHD <br /> r <br /> i <br /> i <br /> r <br /> i <br /> s <br />