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Marathon Ashland Petroleum (3165), Garyville

LDEQ Accident Report

Accident #150563
tate Police #N/A
Accident Date2013-08-23
Report Date 2013-08-29
Follow-up Date 2013-10-17
Follow-up: Yes

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Crude Oil2hSeal on Crude Tank 500-1NONONO2,568.0 pounds

Accident Classified As: Reportable Quantity

Cause of Problem: Seal or Gasket

The leak occurred on Storage Tank 500-1, however the leaking component was an agitator which is permitted with Tank Farm- Unit 63 Fugitives. The Unit 63 Fugitives EIQ number is Unit 63 Fug (EQT No. FUG 084). Approximately 9.05 barrels (2568 pounds) of crude oil was released onto the ground within the tank dike. Also Human Performance Difficulty (procedures not used and training needs improvement), Product Control did not turn off mixer when spotted the leak.

Discharge Preventable - Yes

Notes/Remedial Actions

The shift supervisor dispatched a vacuum truck to the site to recover the oil that had leaked onto the ground. In addition, a large catch basin was placed under the leaking mixer seal so the crude oil could be collected as it was leaking while the tank was being emptied. Recommendations: - Provide training on the message responses and operating procedures. - Develop a Lessons Learned to address Process Safety recognition failure. Evaluate changing the 12 feet message to and actual alarm on 63-LI-5001.