Geophysical Services

GN Northern is pleased to announce “Geophysical” services as an added capability to our existing services. Our geophysical capabilities include seismic Refraction Microtremor (ReMi) testing, Seismicity, Ground-Penetrating Radar (GPR) to locate buried tanks, DC resistivity testing, Electromagnetics (EM), Non-Destructive Testing (NDT) of concrete to determine voids and rebar, condition evaluation of existing bridge decks, Pile Integrity Testing (PIT), fault & fracture mapping, pre-blast surveys, vibration monitoring, depth of bedrock & rock rippability assessment.

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