CFR›Title 40›Chapter I›Part 270›Subpart I ContainsSection 270.235CorpusDaily eCFRDisplayed edition2026-05-07Last updated2026-05-07 Subpart I—Integration with Maximum Achievable Control Technology (MACT) Standards Sections 270.235 § 270.235 Options for incinerators, cement kilns, lightweight aggregate kilns, solid fuel boilers, liquid fuel boilers and hydrochloric acid production furnaces to minimize emissions from startup, shutdown, and malfunction events. Previous H Subpart H—Remedial Action Plans (RAPs) Next J Subpart J—RCRA Standardized Permits for Storage and Treatment Units