CFR›Title 40›Chapter I›Part 230›Subpart B ContainsSections 230.10–230.12CorpusDaily eCFRDisplayed edition2026-06-30Last updated2026-06-30 Subpart B—Compliance With the Guidelines Sections 230.10 § 230.10 Restrictions on discharge. 230.11 § 230.11 Factual determinations. 230.12 § 230.12 Findings of compliance or non-compliance with the restrictions on discharge. Previous A Subpart A—General Next C Subpart C—Potential Impacts on Physical and Chemical Characteristics of the Aquatic Ecosystem