HWA provides a broad range of geoenvironmental services to public and private sector clients within the regulated community. Our environmental scientists, geologists, and engineers are well versed in implementation and compliance with environmental regulations on all government levels including MTCA, Dangerous Waste, Solid Waste, RCRA, CERCLA and TSCA requirements.

Hazardous Waste Investigations
Soil and Ground Water Contamination Investigations
Soil Gas Surveys
Remedial Investigations and Support
RCRA Corrective Action and Closure

Solid Waste Investigations
Site Feasibility Studies
Hydrogeologic Characterization
Environmental Monitoring Plan Development
Monitoring Network Installation
Ground Water, Leachate and Landfill Gas Monitoring and Reporting

Underground Storage Tank Management
Site Assessments
Site Characterization
Remediation

Property Transfers
Site Reconnaissance
Site Historical Land Use Surveys
Property Ownership Research
Subsurface Investigation

Sediment Characterization and Management
Sediment Contamination Assessments
Permit Assistance
Sediment Analysis and Monitoring
Dredge and Fill Disposal Option Assessment
Sediment Remediation
Environmental Impact Statements

Regulatory Compliance
Environmental Audits
Compliance Evaluations
Permitting Support/Negotiations
Brownfields Restoration

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