DOF
About
Staff
Core Values
Expertise
Aquatic Habitat Restoration
Litigation Support
Dredging & Waterway Engineering
Sediment Remediation
Soil & Groundwater Remediation
Stormwater
Projects
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Locations
Opportunities
Soil & Groundwater Remediation
Field Investigation and Conceptual Site Modeling
Subsurface exploration
Sampling and testing (soil, groundwater, soil vapor, pore and surface water)
Stormwater sampling, compliance support & design
Groundwater monitoring systems
Hydrogeologic evaluations
Groundwater flow system modeling
Exposure route assessment (air, soil, groundwater, surface water, sediment)
Point of compliance and cleanup level development and negotiation
Site Evaluation and Technical Support
Environmental Site Assessment (Phase 1 and 2) for property transfer
Remedial investigations
Feasibility Studies
Forensic contaminant source identification
Negotiations with regulatory agencies under RCRA Corrective Actions, MTCA, TSCA and CERCLA
SPCC, SWPPP, waste management and compliance profiling, designation, and tracking
Cost allocations at multiple-party cleanup sites
Cost reserve and financial assurance estimates
Work plans and quality assurance plans
Database management and data review
Health and Safety planning
Remedial Design, Construction and Operation
Remedial design and cleanup action plans
Remedial action work plans contract documents, plans and specifications, cost estimates and schedules
Construction oversite/management
Remedial action construction/completion reports
Stormwater system design
Stormwater operation and maintenance
Institutional control development and long term monitoring plans
Our projects in this expertise
Tacoma Historcal Coal Gas
(Soil & Groundwater Remediation)
Verbeek Wrecking Yard
(Soil & Groundwater Remediation)
Arkema Mound
(Soil & Groundwater Remediation)
Stericycle Georgetown
(Soil & Groundwater Remediation)