PFAS, due diligence and what they mean for real estate development

David L. Sawicki

PFAS Cycle

The term “forever chemicals” refers to a group of chemicals that are called “PFAS” or per and polyflouroalkyl substances. They have been the subject of many recent studies that show that they are even more widespread than ever before.

Recently, both federal and state agencies have proposed or enacted legislation that would set action levels in both soil and groundwater for these chemicals. This includes newly revised practice standards for Phase I environmental site assessments by the American Society for Testing and Materials (ASTM), which has included the evaluation for the presence of these chemicals as a “business environmental risk” when conducting Phase I environmental site assessment. As a result, environmental risk evaluation and property valuation during property redevelopment is now even more complicated due to the constantly changing regulatory status of PFAS.


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