Code of Federal Regulations > Title 40 > Chapter I > Part 312 > Subpart C - Subpart C—Standards and Practices

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

§ 312.20 - All appropriate inquiries.

§ 312.21 - Results of inquiry by an environmental professional.

§ 312.22 - Additional inquiries.

§ 312.23 - Interviews with past and present owners, operators, and occupants.

§ 312.24 - Reviews of historical sources of information.

§ 312.25 - Searches for recorded environmental cleanup liens.

§ 312.26 - Reviews of Federal, State, Tribal, and local government records.

§ 312.27 - Visual inspections of the facility and of adjoining properties.

§ 312.28 - Specialized knowledge or experience on the part of the defendant.

§ 312.29 - The relationship of the purchase price to the value of the property, if the property was not contaminated.

§ 312.30 - Commonly known or reasonably ascertainable information about the property.

§ 312.31 - The degree of obviousness of the presence or likely presence of contamination at the property, and the ability to detect the contamination by appropriate investigation.