§ 312.11 References.

The following industry standards may be used to comply with the requirements set forth in §§ 312.23 through 312.31:

(a) The procedures of ASTM International Standard E1527–21 entitled “Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process.” This standard is available from ASTM International at www.astm.org, 1–610–832–9585.