How do I choose between different Phase I and Phase II ESA consultants for an industrial acquisition?

For an industrial acquisition, the “best” Phase I / Phase II ESA consultant is usually not the cheapest or the fastest—it’s the one who can identify and manage deal risk accurately, defensibly, and on your timeline. Here’s a practical way to compare them.

1) Match the consultant to the property type and deal risk

Industrial sites can involve:

• chemicals, solvents, fuels, oils
• USTs/ASTs
• dry wells, sumps, floor drains
• historical manufacturing/waste handling
• vapor intrusion issues
• groundwater impacts, off-site migration, and regulatory files

Choose a consultant with relevant industrial experience, not just general commercial due diligence. Ask:

• Have you done sites like this before?
• What contaminant types and operational histories are most similar?
• Have you worked in this state/region and with the relevant regulators?

2) Confirm they know the ASTM Phase I standard and your liability objectives

For a Phase I ESA, make sure they understand:

• ASTM E1527 and “All Appropriate Inquiry” requirements
• Recognized Environmental Conditions (RECs)
• Historical RECs / Controlled RECs
• compliance with the current standard and lender expectations

A good consultant will explain not only what they find, but what it means for your liability and transaction strategy.

3) Evaluate Phase II capabilities, not just reporting

If the Phase I may lead to a Phase II, check whether they can actually execute it well:

• soil / groundwater / vapor sampling design
• conceptual site model development
• drilling and subcontractor management
• chain of custody and QA/QC
• lab coordination and data validation
• health and safety practices
• remediation scoping if needed

You want a team that can go from desktop review to field investigation to actionable conclusions without needing to reinvent the process.

4) Ask about independence and conflicts

You want objective findings, especially in acquisitions. Ask:

• Do you also do remediation for the seller or prior owner?
• Do you have any financial ties to contractors or labs you use?
• Will the same person who wants the Phase II scope also be recommending remediation?

A consultant should be willing to separate assessment from cleanup execution if needed.

5) Look closely at the senior reviewer

The resume of the field staff matters, but so does the senior person signing off. Ask:

• Who is the project manager?
• Who reviews and stamps the report internally?
• How many years of industrial ESA experience do they have?
• What professional certifications do they hold?

Useful credentials can include:

• PG / PE
• CHMM
• state-specific environmental licenses where applicable

6) Ask how they handle “deal-critical” issues

Industrial deals often move fast. A strong consultant should be able to tell you how they handle:

• limited access
• compressed timelines
• incomplete historical records
• suspected vapor issues
• off-site impacts
• communications with lenders and counsel

You’re looking for a firm that can be clear, responsive, and practical, not overly alarmist or overly casual.

7) Review sample reports, not just proposals

A polished proposal can hide a weak report. Ask for:

• a redacted Phase I ESA sample
• a redacted Phase II work plan or report
• an example of a site with similar complexity

Look for reports that are:

• organized and easy to follow
• clearly tied to observations and records reviewed
• explicit about uncertainties and data gaps
• practical in recommendations

8) Compare the depth of the site investigation approach

For a Phase II, the best consultant will explain why they recommend specific samples and locations. Good signs:

• investigation based on a conceptual site model
• sampling tied to likely release areas and pathways
• sensible number of samples, not arbitrary “one-size-fits-all” work
• attention to vapor and groundwater, not only soil
• contingency planning if contamination is found

Avoid consultants who propose a generic “grab a few samples and see” approach without a defensible rationale.

9) Understand their regulatory and legal support style

You may need the report to stand up with:

• lenders
• insurers
• attorneys
• regulators
• indemnity negotiations

Ask:

• Have your reports been used in transaction disputes?
• Can you support calls with counsel?
• How do you document conclusions?
• How do you differentiate confirmed impacts from suspected issues?

You want a consultant who can write in a way that is technically solid and legally careful.

10) Compare communication and project management

This matters a lot in transactions. Evaluate:

• response time
• clarity of status updates
• ability to flag issues early
• willingness to coordinate with legal, lending, and operations teams
• transparency on assumptions and limitations

A consultant who is technically excellent but slow to communicate can create deal risk.

11) Price fairly, but don’t buy blind on low bid

A low bid may mean:

• shallow records review
• limited site visit time
• inexperienced staff
• vague conclusions
• expensive change orders later

Compare proposals on:

• scope completeness
• deliverables
• assumptions
• exclusions
• turnaround time
• senior oversight
• field costs and lab markups

The cheapest Phase I/II often becomes the most expensive if it misses key risk.

12) Use a simple scorecard

A quick scoring matrix can help:

• Relevant industrial experience
• Regional regulatory knowledge
• Phase I quality
• Phase II technical capability
• Senior reviewer strength
• Responsiveness
• Cost transparency
• Ability to meet schedule
• Litigation/lender defensibility

Score each 1–5 and weigh the categories that matter most to your deal.

Questions to ask in interviews

• What similar industrial properties have you assessed recently?
• What are the most common environmental issues you expect here?
• How would you approach a Phase II if the Phase I identifies a REC?
• What would make you recommend a vapor intrusion assessment?
• How do you determine whether off-site impacts should be investigated?
• What is your typical turnaround time for a report?
• Who will actually do the work and who will review it?
• What are your assumptions, exclusions, and change-order triggers?

Practical recommendation

For an industrial acquisition, I’d usually favor a consultant who:

1. has deep industrial due diligence experience
2. knows the local regulatory landscape
3. can do both Phase I and Phase II
4. provides a clear senior-level review
5. communicates well with counsel and lenders
6. offers a defensible but practical scope

If you want, I can also give you:

• a consultant comparison checklist
• a scorecard template
• or a list of red flags in Phase I / Phase II ESA proposals.