[Code of Federal Regulations] [Title 40, Volume 27] [Revised as of July 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR312.11] [Page 398] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) PART 312_INNOCENT LANDOWNERS, STANDARDS FOR CONDUCTING ALL APPROPRIATE Subpart B_Definitions and References Sec. 312.11 References. 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) [Reserved]