40 CFR § 312.11 - References.

---
identifier: "/us/cfr/t40/s312.11"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 312.11 - References."
title_number: 40
title_name: "Protection of Environment"
section_number: "312.11"
section_name: "References."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "J"
subchapter_name: "SUPERFUND, EMERGENCY PLANNING, AND COMMUNITY RIGHT-TO-KNOW PROGRAMS"
part_number: "312"
part_name: "INNOCENT LANDOWNERS, STANDARDS FOR CONDUCTING ALL APPROPRIATE INQUIRIES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Section 101(35)(B) of CERCLA, as amended, 42 U.S.C. 9601(35)(B)."
regulatory_source: "70 FR 66107, Nov. 1, 2005, unless otherwise noted."
cfr_part: "312"
---


# 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.

(b) The procedures of ASTM International Standard E2247-23 entitled “Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process for Forestland and Rural Property.” This standard is available from ASTM International at *www.astm.org,* 1-610-832-9585.

(c) Until February 13, 2024, 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.

(d) Until June 24, 2025, the procedures of ASTM International Standard E2247-16 entitled “Standard Practice for Environmental Site Assessment Process for Forestland and Rural Property.” 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; 79 FR 60090, Oct. 6, 2014; 82 FR 43312, Sept. 15, 2017; 87 FR 76581, Dec. 15, 2022; 89 FR 52389, June 24, 2024]