Environmental Services That Keep Projects Moving

Environmental Due Diligence & Site Assessment

DEA supports real estate transactions, development, and infrastructure projects through thorough environmental due diligence and site assessment services. Our team conducts evaluations in accordance with applicable ASTM standards and federal requirements to identify potential environmental risk early.
We focus on providing clear findings and practical guidance that support informed,time-sensitive decisions.

Typical Services Include :

• Phase I Environmental Site Assessments (ASTM E1527 - 21)
• Phase II Environmental Site Assessments (ASTM E1903 - 11)
• Property Condition Assessments
• Asbestos, lead - based paint, radon, and PCB surveys
• Spill Prevention, Control, and Countermeasure (SPCC) plans
• Soil and groundwater management plans
• Health and safety plans
• Remediation design and oversight

Talk to Our Team

Natural Resources & Ecological Services

DEA provides natural resources and ecological services for projects where environmental features may be present. These services help identify potential impacts early and support compliance with federal, state, and local regulations.

Our team routinely supports projects involving wetlands, waterways, wildlife habitat, and protected species.

Typical Services Include :

• Wetland delineation and jurisdictional determinations
• Wetland permitting and mitigation planning
• Biological assessments
• Threatened and endangered species surveys
• Species-specific surveys
• Avian and nesting studies

Discuss Ecological Services

Cultural Resources & Archaeology

DEA provides cultural resources and historic preservation services to support compliance with federal, state, and local requirements. We help clients evaluate and address potential impacts to archaeological and historic resources early in the project lifecycle.

Our professionals have extensive experience coordinating with State Historic Preservation Offices, Native American Tribes, and local stakeholders.

Typical Services Include :

• Phase I, II, and III archaeological field surveys
• Cultural resources survey reports
• Section 106 reviews
• Historic property surveys and assessments
• Artifact curation and historical research
• SHPO consultation
• Native American Tribal consultation
• Mitigation plan development and implementation

Learn About Cultural Resources Support

NEPA Compliance

DEA supports federally funded, permitted, or regulated projects through comprehensive NEPA compliance services. We assist clients in determining the appropriate level of environmental review and preparing documentation aligned with agency requirements.

Our team focuses on early evaluation, impact avoidance, and efficient coordination to support timely project approvals.

Typical Services Include :

• NEPA categorical exclusion evaluations
• Environmental assessments
• Agency coordination and documentation support
• Impact avoidance and mitigation strategy development
• Support toward Findings of No Significant Impact (FONSI)

Talk to a NEPA Specialist

Regulatory Compliance & Permitting

DEA provides regulatory compliance and permitting services to help clients meet federal, state, and local requirements associated with infrastructure and telecommunications projects.

We support proactive compliance planning, issue resolution, and coordination with regulatory agencies.

Typical Services Include :

• Regulatory compliance audits
• Non-compliance mitigation
• Airspace analysis and FAA compliance
• Antenna Structure Registrations (ASR)
• RF assessments
• Corporate compliance plans
• Permitting support

Contact Us for Compliance Support