Phase I Environmental Site Assessments
EPA Approves ASTM E1527-21 Phase I ESA Standard
The long-awaited approval of the use of the American Society for Testing and Materials (ASTM) International Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process / Designation E1527-21 (ASTM Standard Practice E1527-21) to satisfy the CERCLA All Appropriate Inquiry (AAI) regulation has arrived. The Environmental Protection Agency (EPA) issued their final rule…