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    PHMSA Home
    Home  »  Pipeline Safety Community  »  Regulations  »  Rulemaking  »  Rulemaking Archives

    OPS-29

    Recommendations by NTSB

    Publish Date Status Effective Date
    		 Federal Register Citation
    Sep 21, 1978 anprm   43 FR 42772 (43 FR 42772)
    Jun 28, 1975 anprm   39 FR 24027 (39 FR 24027)
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