![United States: It's Official: EPA Approves Phase I Standard ASTM E1527-21 As Meeting All Appropriate Inquiry, Effective February 13, 2023 - Winston & Strawn LLP](https://cdn.newsserve.net/ONPglobe256.png)
United States: It's Official: EPA Approves Phase I Standard ASTM E1527-21 As Meeting All Appropriate Inquiry, Effective February 13, 2023 - Winston & Strawn LLP
On December 15, 2022, the U.S. Environmental Protection Agency (EPA) published its new final rule.
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