{"operation":"document","citation":"CPF 52026004NOPV","title":"MUSTANG HOLDING LLC — Notice of Probable Violation","source_type":"enforcement","agency":"Pipeline and Hazardous Materials Safety Administration","status":"current","official":true,"published_on":"2026-04-21","effective_on":null,"summary":"OPEN notice of probable violation citing 195.49.","machine_formats":{"json":"https://regulus.evalyn.ai/document/phmsa-enforcement-52026004nopv.json","markdown":"https://regulus.evalyn.ai/document/phmsa-enforcement-52026004nopv.md"},"app_url":"https://regulus.evalyn.ai/document/phmsa-enforcement-52026004nopv","source_url":"https://primis.phmsa.dot.gov/enforcement-data/case/52026004NOPV","body":"Notice of Probable Violation involving MUSTANG HOLDING LLC. PHMSA's enforcement data identifies the cited regulation as 195.49. The case was opened on 2026-04-21 and is reported as open. Open the official case record for notices, responses, orders, and the latest status.\n\nOfficial case documents:\n\n52026004NOPV_Operator Response to Notice and Request for Conference Meeting and Request for Hearing_06162026_(24-297412).pdf: https://primis.phmsa.dot.gov/enforcement-documents/52026004NOPV/52026004NOPV_Operator%20Response%20to%20Notice%20and%20Request%20for%20Conference%20Meeting%20and%20Request%20for%20Hearing_06162026_(24-297412).pdf\n\n52026004NOPV_PCO_04212026_(24-297412).pdf: https://primis.phmsa.dot.gov/enforcement-documents/52026004NOPV/52026004NOPV_PCO_04212026_(24-297412).pdf\n\n52026004NOPV_PCO_04212026_(24-297412)_text.pdf: https://primis.phmsa.dot.gov/enforcement-documents/52026004NOPV/52026004NOPV_PCO_04212026_(24-297412)_text.pdf","truncated":false,"body_characters":947}