The following industry standards may be used to comply with the requirements set forth in Sec. Sec. 312.23 through 312.31:
(a) The procedures of ASTM International Standard E1527-05 entitled ``Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process.''
(b) The procedures of ASTM International Standard E2247-08 entitled ``Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process for Forestland or Rural Property.'' This standard is available from ASTM International at http://www.astm.org, 1-610-832-9585.
(c) The procedures of ASTM International Standard E1527-13 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. [70 FR 66107, Nov. 1, 2005, as amended at 73 FR 78655, Dec. 23, 2008; 78 FR 79324, Dec. 30, 2013]
Effective Date Note: At 79 FR 60090, Oct. 6, 2014, Sec. 312.11 was amended by removing paragraph (a) and redesignating paragraphs (b) and (c) as paragraphs (a) and (b), effective Oct. 6, 2015.