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Motiva Enterprises (1406), Norco
LDEQ Accident Report
| Accident # | 121499 |
| State Police # | 10-00818 |
| Accident Date | 2010-02-12 |
| Report Date | 2010-02-17 |
| Follow-up Date | 0000-00-00 |
| Follow-up: | No |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Oil (Sheen) | 1 hr 20 mins | Stormwater Outfall 006 | NO | NO | NO | BRQ |
Accident Classified As:
Cause of Problem: Weather
HEAVY RAINS. Caused Refinery Stormwater Impoundment Basin (SWIB) to exceed capacity, forcing a bypass "to prevent flooding of the refinery and damage to the SWIB from overtopping of the SWIB levee." Caused oil sheen upstream of St. Charles Parish's Bayou Trepagnier Pump Station. Refinery letter states that less than 1 gallon of oil was released. SECONDARY CAUSE: Equipment Design - impoundment basin capacity was insufficient for heavy rainfall.
Discharge Preventable - No
Refinery letter states that bypass was "only alternative to prevent flooding of the facility." "Facility was being properly operated and maintained at the time."
Notes/Remedial Actions
BRQ. Refinery letter states that no reportable quantities were exceeded, but incident was an "unauthorized discharge." Material removed from vicinity of parish pumping station via absorbent pads; will install additional absorbent booms in the outfall and increase surveillance of the outfall during future discharges.
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