CFR > Title 40 > Chapter I > Subchapter C > Part 57 > Subpart E CFR > Title 40 > Chapter I > Subchapter C > Part 57 > Subpart E – Fugitive Emission Evaluation and Control Current as of: 2024 | Check for updates | Other versions § 57.501 General requirements § 57.502 Evaluation § 57.503 Control measures § 57.504 Continuing evaluation of fugitive emission control measures § 57.505 Amendments of the NSO