{"operation":"document","citation":"PHMSA 20-197971","title":"NORTHERN ILLINOIS GAS CO — Integrity Assurance Notification","source_type":"inspection","agency":"Pipeline and Hazardous Materials Safety Administration","status":"historical","official":true,"published_on":"2020-12-09","effective_on":"2020-12-09","summary":"GAS TRANSMISSION in IL; PROGRAM; PHMSA status: OBJECTIONS RESOLVED.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-leading-ian-20-197971-operator-13710.json","markdown":"https://regulus.evalyn.ai/document/phmsa-leading-ian-20-197971-operator-13710.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-leading-ian-20-197971-operator-13710","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/SRCR_and_Integrity_Assurance_Notifications.zip","body":"Pursuant to 49 C.F.R. § 192.909, the purpose of this notification is to make you aware of a significant change to our Integrity Management Plan (IM Plan). Nicor Gas has added the potential threat of stress corrosion cracking (SCC). While Nicor Gas has not previously considered SCC as a potential threat, our Southern Company Gas affiliated utility, Atlanta Gas Light, has identified SCC on a pipeline in Georgia.","truncated":false,"body_characters":413}