Geophysical Mapping: Problem Details Problem Name: Host sediments, hydogeological settings Problem Type: Hazardous Waste Assigned Methods: + DC geoelectrics - Profiling Electrical Methods + DC geoelectrics - Sounding Electrical Methods + Fluid logging, Flow meter Borehole Methods + Frequency-domain electromagnetics - Profiling Electromagnetic Methods + Frequency-domain electromagnetics - Sounding Electromagnetic Methods + Geoelectrics - Tomography (surface based) Electrical Methods + Ground penetrating radar (surface-based) Electromagnetic Methods + Refraction seismic tomography (surface-based) Seismic Techniques + Seismic surface waves methods Seismic Techniques + Shallow reflection seismics Seismic Techniques + Shear-wave reflection seismics Seismic Techniques + Standard refraction seismics Seismic Techniques + Time-domain electromagnetics - Profiling Electromagnetic Methods + Time-domain electromagnetics - Sounding Electromagnetic Methods + Vertical seismic profiling (VSP) Seismic Techniques + Very-high resolution reflection seismics Seismic Techniques 0 Acoustic logging Borehole Methods 0 Airborne magnetics Magnetic Methods 0 Borehole imaging, Structure logging Borehole Methods 0 Electrical and induction logging Borehole Methods 0 Geoelectrics - Crosshole tomography Electrical Methods 0 Ground magnetics Magnetic Methods 0 Induced polarization - Profiling Electrical Methods 0 Land gravity Gravity 0 Magnetotellurics, Controlled source audiomagnetotellurics Electromagnetic Methods 0 Micro gravity Gravity 0 Nuclear logging Borehole Methods 0 Seismic crosshole tomography Seismic Techniques 0 Self potential Electrical Methods 0 Shallow Water Seismics - Lake Seismics Seismic Techniques 0 VLF / VLF-R, Radiomagnetotellurics Electromagnetic Methods    '+' = Technique applicable; '0' = Application possible/limited use