http://www.w3.org/ns/prov#value | - Each operator must notify PHMSA electronically through the National Registry of Pipeline and LNG Operators at http://opsweb.phmsa.dot.gov, of certain events.(1) An operator must notify PHMSA of any of the following events not later than 60 days before the event occurs:(i) Construction or any planned rehabilitation, replacement, modification, upgrade, uprate, or update of a facility, other than a s
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