Enviroscan, Inc.

Technique: Time Domain Electromagnetics

* , Green = Recommended
? , Yellow = Ok, Under Certain Conditions
X , Red = Not Recommended

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Techniques
Acoustic Leak Detection
Downhole/Crosshole Radar
Downhole/Crosshole Seismic
Earthquake Seismology
Electromagnetic Induction
Fathometry
Geoelectric Leak Detection
Geophysical Borehole Logging
Gravity
Ground Penetrating Radar
Induced Polarization
Magnetic Gradiometry
Magnetic Susceptibility
Magnetic Total Field
Metal Detection
Multi-Beam Sonar
Radiometry
Resistivity Imaging
Resistivity Profiling
Resistivity Sounding
RF Electromagnetics
Seismic Reflection
Seismic Refraction
Seismic Shear Wave
Side Scan Sonar
Spontaneous Potential
Sub-Bottom Sonar
Time Domain Electromagnetics
Vibration Monitoring
VLF Electromagnetics
X-Ray Fluorescence
Applications
Aquifer Evaluation ?
Bearing Capacity Estimation X
Boring Location Clearance ?
Bridge Pier Scour Detection X
Buried Drum Detection Mapping ?
Buried Waste Characterization ?
Cave Detection/Delineation ?
Concrete Thickness Determination X
Depth-to-Rock ?
Detection/Mapping of Disseminated Metals ?
Fault/Fracture Detection/Tracing ?
Foundation Element Imaging X
Geoarchaeological Studies ?
Grave/Burial Detection Mapping ?
Groundwater Contamination Plume Detection/Delineation *
Hydrocarbon Detection/Delineation ?
Hydrographic Studies X
Identification of Water-Bearing Zones ?
In-situ Density Estimation X
Landfill/Lagoon Liner Leak Detection X
Ordnance Detection/Mapping ?
Pipeline Leak Detection X
Rebar/Cable Detection/Tracing X
Roadway/Pavement Evaluation X
Rock Rippability Estimation X
Sea Floor Mapping X
Sedimentation Studies X
Seismic Hazard Determination X
Septic System Detection/Delineation ?
Shipwreck Location ?
Sinkhole Detection/Delineation/Prediction ?
Sinkhole Hazard Studies ?
Stratigraphic Mapping/Profiling ?
Subsidence Investigations ?
Uncontained Waste Detection/Mapping ?
UST Detection/Delineation ?
Utility Detection/Tracing ?
Void/Washout Detection X
Water Table Mapping ?
Well Characterization X
Well Construction Planning or Confirmation X
Well Siting ?