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Motiva Enterprises (2719), Convent

LDEQ Accident Report

Accident #94481
State Police #07-01148
Accident Date2007-03-09
Report Date 2007-03-15
Follow-up Date 2007-05-24
Follow-up: Yes

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Sewer Sludge51 h 0 mDrain hub at base of Flare 3NONONO2,800.0 pounds
Sewer Sediment51 h 0 mDrain hub at base of Flare 3NONONO15.0 pounds

Accident Classified As: Reportable Quantity

Cause of Problem: Piping or Tubing

a plugged sewer line impeded proper drainage and caused the overflow of a drain hub

Discharge Preventable - Yes

Notes/Remedial Actions

The following measures are being put in place to prevent a recurrence. 1) A secondary containment system is being installed around the drain hub; 2) The area surrounding the base of the flare is being graded to improve surface drainage; and 3) the operating procedure is being revised to include two (rather than one) operator while draining the flare tip molecular seal - one operator will operate the control valve while the other visually verifies proper drainage to the hub.