On February 13, 2023, parties may rely on ASTM E1527 21 to satisfy All Appropriate Inquiries under CERCLA as amended. The EPA is phasing out acceptance of the prior version, ASTM E1527 13, which will no longer be acceptable for AAI purposes as of February 13, 2024.
Key Takeaways - • Effective February 13, 2023, parties may rely on ASTM E1527-21 to satisfy All Appropriate Inquiries (AAI) under the Comprehensive Environmental.
In November, 2021, the American Standard for Testing and Materials (ASTM) published its E1527-21 (-21 Standard), its 2021 update to its Standard Practice for Environmental Site.