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Phase I & II Environmental Site Assessments (ESAs)

Heritage Environmental, LLC (Heritage) provides comprehensive, practical and cost effective Environmental Site Assessment (ESA) services to comply with the environmental “due diligence” and All Appropriate Inquiry (AAI) requirements in commercial property transactions. Heritage follows the guidelines established by 40 CFR 312, ASTM E1527-13 - Standard Practice for Environmental Site Assessments. Practices under the ASTM standard provide guidance into the previous ownership and uses of a property consistent with good commercial or customary practice.” This inquiry is necessary to qualify for the innocent landowner defense to Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) liability.

 Phase I ESA

Phase I ESAs are performed to determine the potential for environmental impact to a property.   Phase I Environmental reports are prepared for real estate and business transactions some of which are:

  • land purchases;
  • building purchases;
  • leases;
  • business purchases;
  • new residential  developments; and
  • bank loans.

This goal is achieved through thorough research and documentation of the properties history and surroundings, as well as a visual inspection of the site’s physical and environmental features.

Our Phase I ESA reports are in compliance with American Society for Testing and Materials (ASTM) Standard E-1527-13. This ASTM standard adheres to the Environmental Protection Agency (EPA) All Appropriate Inquiries Rule, codified into the federal regulations by the EPA (40 CFR Part 312). This type of Phase I Environmental report is the one required by lenders and is highly recommended prior to purchasing commercial or industrial real estate, or prior to starting new residential developments.

Phase II ESA

Phase II ESAs can be performed when additional investigation is warranted.  A targeted sampling plan can be prepared and implemented by Heritage to assess adverse impacts for soil and/or groundwater.
The Phase II ESA includes sampling and laboratory analysis to confirm the presence or absence of petroleum and or hazardous materials beneath the site. Some of the tests that may be performed include;

  • Surficial soil and/or water sampling;
  • Subsurface soil borings;
  • Groundwater monitoring well installation, sampling, and analysis (may be appropriate on neighboring properties as well to determine the presence of contamination);
  • Drum sampling (if any are located on the property);
  • Sampling of dry wells, floor drains and catch basins.

 Depending on the results of the samples, the Phase II ESA should outline additional site investigation needs, and potential remedial actions that may be required to clean up the property.




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