EPA adopts final rule, effective February 13, 2023, establishing ASTM E1527-21 as the standard for satisfying AAI requirements and phasing out ASTM E1527-13. On.
The exact number of brownfield sites in the United States is not known. Some sources estimate the number at more than 450,000, amounting to more than five million total acres of land..
Following the enactment of the federal Infrastructure Investment and Jobs Act (H.R. 3684) and its signing into law by President Joseph R. Biden this month, significantly expanded.