The New Phase I ESA Standard is Here. Here’s What You Need to Know.
On November 1, 2021, the ASTM International Committee on Environmental Assessment, Risk Management and Corrective Action (ASTM Committee-50) approved a new standard for conducting Phase I ESAs. The ASTM E1527-21 (Standard) was approved by ASTM International; however, it has not yet been approved by the EPA, and the ASTM E1527-13 standard continues to be recognized
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