A New Phase I ESA Standard: What Has Changed and How Does it Affect My Environmental Due Diligence?
The American Society for Testing and Materials (ASTM) standard for Phase I Environmental Site Assessments (ESA) was recently revised and published in November of 2021 as ASTM E1527-21. The reason for the revisions is that all ASTM standards have an 8-year shelf life. Once you approach the shelf life of [...]
