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ExxonMobil Refinery (2638), Baton Rouge
LDEQ Accident Report
| Accident # | 120699 |
| State Police # | 10-00182 |
| Accident Date | 2010-01-10 |
| Report Date | 2010-08-18 |
| 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 |
| Benzene | no information given | vacuum jet on vapor recovery system | NO | NO | YES | 66.0 pounds |
Accident Classified As: Reportable Quantity
Cause of Problem: Weather
Vacuum jet that keeps the vapor recovery system failed due to cold weather. Benzene vented to atmosphere intermittently and restarted once thawed. Written report states that block in fuel gas line due to subfreezing temperatures resulted in back pressure on blowdown drum which blew intermittently its atmospheric seal. HCE vacuum jet sends vapors from several tanks in Aromatics unit to this blow down drum ( BD-106) and resulted in tank venting to atmosphere. Amount of Benzene released from these two sources is 66 lb.
Discharge Preventable - No
"non-preventable release due to unusually cold weather"
Notes/Remedial Actions
Release exceeds RQ. Exxon thawed liquid line, vacuumed liquid away and restarted jet. Steps in place to eliminate freeze points and restore flare gas pressure. LABB only has access to State Police and LDEQ reports.
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