permeable reactive barriers

Cascade Environmental is a field services contractor providing environmental and geotechnical drilling, site investigation, and remediation services. Its subsidiary Aquifer Drilling & Testing (ADT) provides environmental and geotechnical drilling in the greater New York City area. Cascade offers drilling technologies including sonic, auger, rotary, and direct push, along with high resolution site characterization and injectable amendments.

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auger drillingbedrock coringbioremediationcoringdiamond coringdirect pushelectrical resistance heatinggroundwater samplinghydraulic fracturingin-situ chemical oxidationin-situ chemical reductionpneumatic fracturingrotary core drillingrotary drillingsoil gas samplingsoil samplingsonic drillingthermal conduction heatingvertical aquifer profiling

Atlas Geosciences NW is a Puget Sound-based environmental and geological consulting firm that acquired G-Logics and Associated Environmental Group (AEG), expanding its presence in the Seattle, Tacoma, and Olympia metro areas. The company helps clients navigate environmental due diligence and regulatory pathways to site closure, tailoring due diligence and remediation programs to client goals. It services most of the U.S. and Canada, with emphasis on Washington, Oregon, Alaska, and Idaho.

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air sparge and soil vapor extractionelectrical resistance heatingenvironmental sampling and characterizationexcavation and removalhydrogeologic report preparationin-situ chemical injectionsmonitored and enhanced natural attenuationpump-and-treat systemsregulatory negotiationssite remediationsoil and groundwater investigation