CFR›Title 48›Chapter 6›Part 623›Subpart 623.3 ContainsSection 623.302-70CorpusDaily eCFRDisplayed edition2026-06-26Last updated2026-06-26 Subpart 623.3—Hazardous Material Identification and Material Safety Data Sections 623.302-70 623.302-70 Policy. Previous 623.2 Subpart 623.2—Energy and Water Efficiency and Renewable Energy Next 623.4 Subpart 623.4—Use of Recovered Materials and Biobased Products