; (ii) atmospheric conditions that could affect vapor dispersion; (iii) pipeline facility operating characteristics; and (iv) additional substances present in the pipeline facility that could affect vapor dispersion. (C) Maintenance of files The Secretary shall require each operator of a pipeline facility by which carbon dioxide is transported to maintain records documenting the areas that could affect high consequence areas, as determined using the vapor dispersion modeling required pursuant to subparagraph (A), in the manual of written procedures for operating, maintaining, and handling emergencies for such pipeline facility. (D) Protection of sensitive information In responding to a public request for information regarding vapor dispersion modeling performed pursuant to this paragraph, the Secretary may, taking into account public safety, security, and the need for public access, exclude from disclosure (as the Secretary determines appropriate)— (i) security-sensitive information related to strategies for responding to worst-case carbon dioxide release scenarios; (ii) security-sensitive information related to carbon dioxide release plumes