40 CFR 1502.24 : Protection Of Environment (§ 1.1 To Parts 1851-1899) — (§ 1060.1 To Parts 1851-1899) — Council On Environmental Quality (§ 1500.1 To Parts 1519-1599) — Environmental Impact Statement (§ 1502.1 To § 1502.25) — Methodology and scientific accuracy.

Agencies shall insure the professional integrity, including scientific integrity, of the discussions and analyses in environmental impact statements. They shall identify any methodologies used and shall make explicit reference by footnote to the scientific and other sources relied upon for conclusions in the statement. An agency may place discussion of methodology in an appendix.