Services
Why One Consulting Group
Environmental problems don’t need more complexity — they need solutions.
One Consulting Group is known for hands-on troubleshooting, regulatory insight, and relationship-driven consulting. Clients rely on us when projects involve uncertainty, risk, or public accountability. ● 20 years of proven environmental performance ● Trusted by commercial developers and lenders ● Specialized experience in government contracts and affordable housing ● Responsive, accountable, and relationship-oriented
Core Services Overview Environmental Due Diligence Phase I and Phase II Environmental Site Assessments that support real estate transactions, underwriting, and investment decisions. Investigation & Remediation Clear strategies for identifying, managing, and resolving environmental contamination. Demolition & Redevelopment Support Environmental planning for demolition projects, brownfield redevelopment, and site reuse. Government & Public Sector Services Proven performance on municipal, state, and federally funded projects.
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Real Estate Due-Diligence Services
• Environmental Compliance Reviews
• Hazardous Building Material Assessments
• Phase I Environmental Site Assessments
• Phase II Environmental Investigations
• Property Condition Assessments
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Investigative and Remedial Services
• Air, Groundwater, and Soil Investigations
• Hazardous Building Material Abatement Design and Management
• Hazardous- and Solid-Waste Characterization and Disposal
• Indoor Air Quality Testing
• Remediation Design, Management, and Maintenance
• Stream and Surface Water Quality Investigations
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Development Services
• Brownfield Compliance and Cost Recovery
• Environmental Liability Analysis and Costing
• Facility Decommissioning
• Payment and Draw Inspections
• Demolition and Restoration Design and Management
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Petroleum Services
• Aboveground and Underground Storage Tank Installation and Closure
• Regulatory Compliance
• Corrective Action
• Trust Fund Cost-Recovery
