|
Surface
Geophysics
|
|
Locate
subsurface targets including utilities, USTs, rebar, and voids
Map confining layers, stratigraphy, and bedrock
Delineate fill and landfill edges
Track contaminant plumes
Clear borings for drilling
Determine soil resistivity |
|
Borehole
Geophysical Investigations
|
|
Variations
in seismic and electrical properties
Location and orientation of fractures
Water in/outflow
Changes in borehole diameter
Changes in lithology or soil properties |
|
Geological Studies
|
|
Soil
and rock mapping
Photolineament studies
Fracture trace analysis |
|
Geotechnical Investigations
|
|
Soil
resistivity studies
Determination of Poisson's Ratio and
Field inspection of borings and test pits
Soil and rock logging using Unified Soil Classification/Modified
Burmister systems
Falling head, vane shear testing |
|
Blast / Vibration Monitoring
|
|
Preblast
surveys
Blast monitoring
Monitoring of vibrations during sheet-pile installation
Ambient vibration monitoring
A-weighted sound monitoring |
|
Mining and Minerals Exploration
|
|
National
and international consulting services
Mineral
Investigations
Mapping of deep rock tunnels |
|
Archaelogical/
Forensic Services
|
|
Graves
Buried structures and related artifacts
|
|
Materials Analysis
|
|
X-ray
diffraction
Petrography
SEM/electron microprobe |
