NATIONAL TRANSPORTATION SAFETY BOARD PIPELINE ACCIDENT REPORT: HIGHLY VOLATILE LIQUIDS RELEASE FROM UNDERGROUND STORAGE CAVERN AND EXPLOSION, MAPCO NATURAL GAS LIQUIDS, INC., BRENHAM, TEXAS, APRIL 7, 1992

The report explains how highly volatile liquid products escaped from an underground storage cavern and formed a vapor cloud that exploded, killing three people and damaging almost all buildings within 3 square miles of the storage facility. From its investigation of this accident, the Safety Board identified safety issues in the following areas: safety control systems, cavern management procedures, employee and management performance, emergency preparedness, and Federal and State safety requirements and oversight for underground storage and related pipelines.

  • Supplemental Notes:
    • Paper copy available on Standing Order, deposit account required. Single copy also available in paper copy or microfiche.
  • Corporate Authors:

    National Transportation Safety Board

    800 Independence Avenue, SW
    Washington, DC  United States  20594
  • Publication Date: 1993-11-4

Language

  • English

Media Info

  • Pagination: 115 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00667366
  • Record Type: Publication
  • Report/Paper Numbers: NTSB-PAR-93-01
  • Files: TRIS
  • Created Date: Oct 24 1994 12:00AM