{"operation":"document","citation":"PHMSA 26-378082","title":"SOUTHWEST GAS CORP — Integrity Assurance Notification","source_type":"inspection","agency":"Pipeline and Hazardous Materials Safety Administration","status":"historical","official":true,"published_on":"2026-07-15","effective_on":"2026-07-15","summary":"GAS TRANSMISSION in NV; CROSSOVER RMV ALTERNATIVE TECHNOLOGY; PHMSA status: RESOLVED.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-leading-ian-26-378082-operator-18536.json","markdown":"https://regulus.evalyn.ai/document/phmsa-leading-ian-26-378082-operator-18536.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-leading-ian-26-378082-operator-18536","source_url":"https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/SRCR_and_Integrity_Assurance_Notifications.zip","body":"Pursuant to the notification procedures outlined in §192.18, Southwest Gas Corporation (OPID: 18536) respectfully submits the attached letter and attachments for your review and approval to install a crossover valve instead of a Rupture Mitigation Valve per 49 CFR §192.634(b)(4) at our Lamb Tap project located in North Las Vegas, Nevada.","truncated":false,"body_characters":339}