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Home
About HGL
Moving into the Future with Peter H.
Our New Look
Mission, Vision and Values
Quality, and Health and Safety
Our Leadership Team
Locations
HGL Corporate History
Clients
Testimonials
News
Expertise
Environmental Cleanup
Superfund Site Remediation
Climate Change Planning
Sustainable Resilient Remediation
Water Resource Management
Green Power Supply and “Smart Grid” Development
Seasonal Thermal Energy Storage
Subsurface Carbon Sequestration and Storage
PFAS Response
PFAS Chemistry
PFAS Forensics
PFAS Investigation and Risk Assessment
PFAS Design and Treatment
PFAS- Decision Support System (PFAS-DSS)
Remedial Optimization
Radiological Sites
Military Munitions Response
Advanced Geophysical Classification Services
Chemical Warfare Materiel and Chemical Agent Services
Underwater Munitions Response
Environmental & Other A/E Services
Mining Reclamation
Water Resources
Modeling and Computational Optimization
Innovations
MODFLOW-SURFACT™
MODHMS
®
CompFlow
PlumeSeeker™
PBMO™
Environmental Cleanup
Water Resources Evaluation
Mining Operations
Energy Production
PFAS-DSS
Achievements
Contract Awards
Select 2021 Contract Awards
Top Vendor Recognition
Prestigious Quality Performance Awards
National Safety Council Awards
HGL Historic Timeline
Careers
Apply
Employee Quotes
Contact
Vendor Registration
GSA Schedule
Rates
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