What Is a Phase II Environmental Site Assessment?
A Phase II Environmental Site Assessment (ESA) is a follow-up environmental due diligence investigation typically performed after a Phase I Environmental Site Assessment identifies recognized environmental conditions, suspected releases, or other concerns that need sampling. A Phase II ESA uses targeted soil sampling, groundwater sampling, and sometimes soil vapor sampling to determine whether hazardous substances or petroleum products are present at a property.
For buyers, lenders, developers, and property owners, the goal is practical risk clarity. Projexiv Environmental designs Phase II ESA scopes around the specific concerns identified in the Phase I report, property history, transaction timeline, and lender requirements. Request a free Phase II ESA consultation to discuss sampling needs in Texas or Alabama.
When Phase I ESA Findings Trigger a Phase II Investigation
A Phase II ESA is not required for every property transaction. It is most often recommended when a Phase I ESA identifies a recognized environmental condition (REC), controlled recognized environmental condition (CREC), suspected petroleum release, historical industrial use, dry-cleaner operation, underground storage tank concern, stained soil, spill history, regulatory listing, vapor intrusion concern, or lender request for additional investigation.
A limited subsurface investigation may be used to confirm whether a specific pollutant or REC is present. A more comprehensive Phase II ESA may be needed when the objective is to characterize the extent of contamination, evaluate migration pathways, and support cleanup cost planning. Projexiv helps clients understand which level of investigation fits the site and transaction.

Phase II ESA Reports for Buyers, Lenders, and Developers
A Phase II ESA report should translate field data and laboratory results into a clear decision document for buyers, lenders, developers, and property owners. Depending on the scope, Projexiv reports may include these key components:

Groundwater depth

Analytical results of the collected samples

A detailed report on contaminant concentration presents on site

Field information such as field observations and screening results

Suggestions for further investigation (if needed) to further delineate or characterize impacts if concentrations of certain compounds exceed the applicable screening or action levels.
Typical Phase II ESA Sampling Scope
Since every site is unique, there is no “typical” Phase II ESA. The scope of work for a Phase II ESA is tailored depending on the site’s Phase I ESA and a number of variables, such as previous activities at the property, known or suspected releases, prospective dangers, and the client’s risk tolerance. Metals, semi-volatile organic chemicals, and volatile organic compounds are typical industrial and commercial site pollutants. However, depending on the particular property, many other forms of contaminants might exist, and these should be addressed in the Phase II ESA.
At Projexiv Environmental, we ensure that our Phase II ESA reports accurately and comprehensively reflect the current condition of your property. If necessary, we can also suggest whether a Phase III ESA or a remediation program is required.
If you are looking for experienced Phase II Environmental Site Assessment experts, Projexiv Environmental can help you. Contact us today to learn more.
Soil Sampling
Soil sampling is commonly used when Phase I findings point to former tanks, automotive uses, industrial operations, stained areas, fill material, or other potential release locations. Field work may include soil borings, targeted sample depths, field screening, and laboratory analysis for contaminants that match the site history.
Groundwater Sampling
Groundwater sampling may be appropriate when petroleum products, solvents, metals, or other contaminants could have migrated below the surface. Depending on site conditions, the scope may include temporary monitoring wells, groundwater depth measurements, and comparison of analytical results to applicable screening or action levels.
Soil Vapor Sampling When Needed
Soil vapor sampling may be considered when volatile chemicals, dry-cleaner solvents, gasoline releases, or vapor intrusion concerns are part of the Phase I findings. Projexiv tailors sampling locations and laboratory analysis to the suspected source, property use, and regulatory context.
ASTM E1903-11 and Follow-Up Due Diligence
ASTM E1903-11 is a standard guide for conducting Phase II Environmental Site Assessments. It does not require the same number of samples on every property. Instead, it supports a systematic approach to designing a follow-up investigation based on the recognized environmental conditions, data gaps, and business decisions that need to be addressed.
Projexiv uses this site-specific approach to develop practical scopes for Texas and Alabama projects. The investigation is designed to answer the questions that matter most for the transaction, including whether contamination is present, whether additional delineation may be needed, and how findings should be communicated to stakeholders.
Timeline and Communication
Phase II ESA timing depends on property access, drilling or sampling logistics, utility clearance, laboratory turnaround, weather, and transaction or agency deadlines. Rather than promising a one-size-fits-all timeline, Projexiv communicates the expected scope, field schedule, lab status, analytical results, and next steps as the work progresses.
That communication matters for buyers and lenders. A lender-ready report can help explain the investigation objective, sampling locations, analytical findings, data limitations, and practical implications for closing, negotiating, or planning additional work.
What Happens After Phase II ESA Results?
Phase II ESA results may support no further action, additional delineation, risk management, agency coordination, or remediation planning if contamination is confirmed. When cleanup planning is needed, the Phase II findings help define the affected media, possible migration pathways, and information needed for cost and schedule decisions.
Need a Phase II ESA after Phase I findings? Call (713) 714-0413 for Texas or (251) 291-2291 for Alabama, or request a free consultation with Projexiv Environmental.