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ExxonMobil Refinery (2638), Baton Rouge

LDEQ Accident Report

Accident #85270
State Police #06-00401
Accident Date2006-01-19
Report Date 2006-01-25
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
Water55m#2 Light Ends Unit (E-568)NONONO 
Nitrogen55m#2 Light Ends Unit (E-568)NONONO 
Hydrogen Sulfide55m#2 Light Ends Unit (E-568)NONONO2.0 pounds
Ethylene55m#2 Light Ends Unit (E-568)NONOYES2.0 pounds
Propylene55m#2 Light Ends Unit (E-568)NONOYES26.0 pounds
Butene55m#2 Light Ends Unit (E-568)NONOYES16.0 pounds
Xylene55m#2 Light Ends Unit (E-568)NONONO48.0 pounds
Toluene55m#2 Light Ends Unit (E-568)NONONO17.0 pounds
Benzene55m#2 Light Ends Unit (E-568)NONOYES2.0 pounds
Hydrocarbon55m#2 Light Ends Unit (E-568)NONOYES496.0 pounds

Accident Classified As:

Cause of Problem: Equipment Failure

#2 Light Ends Unit experinenced a leak from their rebolier exchanger. The failure mechanism causing the leak in the exchanger is listed as unknown.

Discharge Preventable - No

Notes/Remedial Actions

Incidents 06-00380, 06-00401 occurred simultaneously on January 19th and on Jan. 20th 06-00406 occurred, overlapping with the first two. The reportable quanitites for highly reactive volitile organic compounds and flamable vapors were exceeded whenthe emissions from these three events were summed over the first 24 hour period beginning with the initiantion of the rlease from the No. 2 Powerformer Unit. With regard to the 24 hour period beginning with the release at the MTBE Unit, there were nportable quanity exceedances for this period of time. The emissions limit exceeded the reportable quanitity threshold only during the time when all three incidents were taking place simultaneously. The mortar in T-4X will be replaced with a Furan re