Phase I Environmental Site Assessments for Commercial & Industrial Properties
Phase I Environmental Site Assessments are conducted to support environmental due diligence for commercial property transactions and environmental risk evaluation. Services may be performed in alignment with ASTM E1527-21 standards and the U.S. EPA All Appropriate Inquiries (AAI) framework.
Environmental due diligence for property decisions
A Phase I Environmental Site Assessment evaluates the environmental history and current conditions of a property to identify potential recognized environmental conditions (RECs) that may indicate contamination risk.
Commonly required for:
Conducted in alignment with
What a Phase I ESA Includes
Historical Records Review
Review of historical property use and environmental documentation.
Regulatory Database Review
Evaluation of federal and state environmental databases.
Site Reconnaissance
Visual assessment of current site conditions.
Environmental Lien Review
Search for environmental liens and activity-use limitations.
Interviews & Historical Use Assessment
Interviews with owners, occupants, and local agencies as needed.
REC / HREC / CREC Identification
Identification of recognized, historical, and controlled environmental conditions.
Technical Reporting & Documentation
ASTM E1527-21 compliant Phase I ESA report and supporting documentation.
Professional Coordination
Coordination with licensed environmental professionals when required.
From kickoff to delivered report
- 01
Project initiation & property information review
Confirm scope, ASTM standard, and any AAI / lender-specific requirements.
- 02
Historical & regulatory records research
Federal, state, and local database review plus historical use research (aerials, Sanborn maps, city directories).
- 03
Site reconnaissance and documentation
Walk-through of the property, surrounding land use review, photographic documentation, and interviews.
- 04
Environmental risk evaluation
Evaluation of identified conditions against ASTM E1527-21 REC criteria.
- 05
Final report preparation and delivery
Phase I ESA technical report with findings, opinions, and recommendations delivered for review.
Deliverables May Include
Phase I ESA technical report
Environmental database findings summary
Historical records interpretation
Site photographs
REC evaluation summary
Recommendations for additional assessment when necessary
If RECs are identified, the next step is a Phase II ESA
Subsurface investigation, sampling coordination, and analytical data interpretation. View the full Phase II scope, process, and deliverables.
Who relies on Phase I ESAs
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Collaboration model
Bidemly Environmental & Analytical Services collaborates with qualified environmental professionals, field personnel, and specialized technical consultants when project scope requires additional support services.
Let's talk about your property
Whether you're evaluating a commercial property transaction, redevelopment project, or lender requirement, Bidemly Environmental & Analytical Services can assist with technical environmental assessment support and reporting coordination.
Ohio Voluntary Action Program (VAP) Support
Bidemly Environmental & Analytical Services is preparing to expand environmental assessment support services related to Ohio Voluntary Action Program (VAP) projects and redevelopment initiatives.