B.l EMWMF groundwater criteria and contaminants of concern B-3 B.2 Selected monitoring well construction details B-9 B.3 Groundwater sampling dates for FY 2009 at the EMWMF B-13 B.4 August 2008 to August 2009 potentiometric data for the EMWMF B-15 B.5 Contaminants of concern detected above threshold values in groundwater B-17
Surface geophysical surveys were integrated in a preremedial site investigative program at a landfill in New Mexico belonging to the Bureau of Land Management. The purpose of this program was not only to conduct the investigation but also to establish a sound technical framework for future site investigations in that geologic _,nd hydrogeologic setting. The emphasis was on identifying initial characterization procedures that would decrease the need for sampling and drilling on a random grid. A prior preliminary assessment and site investigation indicated the presence of some hazardous waste compounds but yielded contradictory information about the locations of trenches and pits.
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