Purpose. This NASA Procedures and Guidelines (NPG) has been prepared to assist NASA Headquarters, Centers, Strategic Enterprises, and Program and Staff Offices in implementing NASA's regulations to ensure compliance with the National Environmental Policy Act of 1969 (NEPA), as amended (42 U.S.C. 4321 et seq.) and Executive Order (EO) 12114. NASA's policies and procedures are published in the Code of Federal Regulations (CFR) at 14 CFR Part 1216 Subparts 1216.1 and 1216.3.

APPLICABILITY. This NPG is applicable to NASA Headquarters and NASA Centers, including Component Facilities.