HSG provides comprehensive environmental support services that showcase our team’s technical proficiency and thorough knowledge of evolving regulatory landscapes. We are passionate about solving complex environmental challenges and strive to provide innovative solutions to ensure federal facilities and commercial clients meet and exceed requirements while minimizing operational disruptions. 

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HSG employs more than 75 environmental subject matter experts (SMEs) and has access to additional SMEs via our working relationships with subcontractors. Our environmental professionals have completed more than 200 environmental studies under the National Environmental Policy Act (NEPA) for federal, state, and municipal clients, including HSG’s recent work on the potential environmental impacts of NASA’s Mars Sample Return Campaign. We have conducted more than 8,300 multi-media environmental compliance inspections and reviewed and analyzed more than 2,000 multi-media environmental records for federal clients. HSG’s litigation support team has prepared more than 80 potentially responsible party (PRP) search reports for the Bureau of Land Management (BLM), the National Park Service (NPS), and the U.S. Department of Agriculture (USDA) U.S. Forest Services (USFS).

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HSG has also performed environmental services on an array of NASA properties, including Kennedy Space Center (KSC), Langley Research Center (LaRC), NASA Headquarters (HQ), Stennis Space Center (SSC), Marshall Space Flight Center (MSFC), Michoud Assembly Facility (MAF), Johnson Space Center (JSC), the Jet Propulsion Laboratory (JPL), Goldstone Deep Space Communications Complex (GDSCC), Goddard Space Flight Center (GSFC) – Greenbelt, and 16 component facilities including GSFC – Wallops Flight Facility (WFF), Glenn Research Center, (GRC), Armstrong Flight Research Center (AFRC), and Ames Research Center (ARC).

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HSG harnesses AI technology while providing environmental services support to improve final products and reduce costs to our clients. We also offer AI-inspired technology solutions to radically transform our clients' missions.

HSG offers the following environmental services:

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• Regulatory Compliance

• Hazardous and Controlled Waste Management and Disposal

• Environmental Sampling, Analysis, and Monitoring

• Ecological Monitoring

• National Environmental Policy Act (NEPA) Support

• Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) Support 

• Litigation Service Support 

Past Performance