{"operation":"document","citation":"49 CFR 193.2631","title":"Internal corrosion control.","source_type":"regulation","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":null,"effective_on":"2026-08-18","summary":"Each component that is subject to internal corrosive attack must be protected from internal corrosion by—\n\n(a) Material that has been designed and selected to resist the corrosive fluid involved; or\n\n(b) Suitable coating, inhibitor, or other means.","machine_formats":{"json":"https://regulus.evalyn.ai/document/49-cfr-193-2631.json","markdown":"https://regulus.evalyn.ai/document/49-cfr-193-2631.md"},"app_url":"https://regulus.evalyn.ai/document/49-cfr-193-2631","source_url":"https://www.ecfr.gov/on/2026-08-18/title-49/section-193.2631","body":"Each component that is subject to internal corrosive attack must be protected from internal corrosion by—\n\n(a) Material that has been designed and selected to resist the corrosive fluid involved; or\n\n(b) Suitable coating, inhibitor, or other means.","truncated":false,"body_characters":248}