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Remedial Investigation and Feasibility Study (RI/FS), Surface, Underwater, and Range Clearance

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Environmental Services


HGS offers a broad range of cost effective end-to-end environmenal services that are dedicated to helping clients solve the complex challenges created by today's global business environment. We leverage our expertise, experience, and cutting edge technologies to deliver innovative, cost-saving solutions that meet and exceed our client's expectations. This results in long-term solutions that allow our clients to focus on their core business areas.

HGS provides end-to-end Environmental Services in numerous areas that include:

  • Remedial Investigation and Feasibility Study (RI/FS)

  • Surface, Underwater & Range Clearance

  • Preliminary Assessments, Inspections, & Site Evaluations

  • Time- and Non-Time-Critical Removal Actions

  • Removal, Inspection, and Classification of Material Potentially Presenting an Explosive Hazard (MPPEH), including disposal by detonation
  • UXO/MEC Avoidance for Construction Support, Surveys, and Escort Duties

  •  Community Outreach

  • Policy & Compliance (CERCLA, RCRA, and FUDS)

Environmental Services Projects


Property Assessments at Formerly Used Defense Sites (FUDS);

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Performance Based Remediation (PBR)


Remedial Investigation Support and Interim Long-Term Monitoring

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Military Munitions Response Program services

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