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Motiva Enterprises (1406), Norco

LDEQ Accident Report

Accident #136650
State Police #12-00403
Accident Date2012-01-20
Report Date 2012-01-26
Follow-up Date 2012-02-27
Follow-up: Yes

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Isobutane3h 45mAn Alky six-inch pipeline on the north side of OP-1 process gas compressorNONOYESBRQ
Propane3h 45mAn Alky six-inch pipeline on the north side of OP-1 process gas compressorNONOYESBRQ

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Corrosion

The leak was caused by internal corrosion, and x-ray results revealed pitting at the leak point. 6 inch pipeline on northside of OP-1 process gas compressor PGC.

Discharge Preventable - No Information Given

Notes/Remedial Actions

Upon discovery of the leak, the refinery isolated the six-inch fuel gas piping at both ends. The problematic section of piping was also depressured and taken out of service to stop the leak. The line was prepared for maintenance inspection, from which the cause--internal corrosion--was discovered. On January 27, 2012, the refinery installed an engineered box over the leak point to permanently repair the piping.