40 CFR 51.1 : Protection Of Environment (§ 1.1 To Parts 1851-1899) — (§ 50.1 To Appendix Y To Part 51) — Environmental Protection Agency (Continued) (§ 50.1 To Appendix Y To Part 51) — Air Programs (§ 50.1 To Appendix Y To Part 51) — Requirements For Preparation, Adoption, And Submittal Of Implementation Plans (§ 51.1 To Appendix Y To Part 51) — Air Emissions Reporting Requirements (§ 51.1 To Appendix A To Subpart A Of Part 51) — General Information For Inventory Preparers (§ 51.1 To § 51.10) — Who is responsible for actions described in this subpart?