Phase I and Phase II Environmental Site Assessments are typically performed for property owners, buyers, banks, attorneys and developers to identify recognized environmental conditions which previously existed or currently exist on a project site.  These assessments are performed in accordance with ASTM Standard Practice E 1527-05 "Standards and Practices for All Appropriate Inquiry" Final Rule (40 CFR Part 312).
The purpose of a Phase I ESA is to inquire into the current and historical uses of the property, and includes site reconnaissance, interviews, environmental records review, and report preparation.  Also, facilities that adjoin the subject site or are located within a 1-mile radius are reviewed to ascertain any potential environmental impacts on the project.
A Phase II ESA offers further investigation of suspected environmental conditions, as identified in previous Phase I Environmental Site Assessments.  The extent of Phase II services is tailored to the results of the Phase I survey, and will vary from one site to another.  The purpose of the Phase II Assessment is to determine from on-site field investigations if additional measures are required, such as site cleanup or other means of remediation.  These assessments are performed in accordance with ASTM Standard Practice E 1903.
 

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