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ExxonMobil Refinery (2638), Baton Rouge

Releases of Primary Sludge

LDEQ Accident Number
Accident Date
Point Source(s) Notes Amount of Release

Disengaging drum/ underground line on the Heavy Cat Naptha Unit
Cause: a leak was discovered in the water draw from the disengaging drum on the Heavy Cat Naptha Unit. The leak was from an underground line, and was due to external corrosion

Followup: No

Notes: This was not preventable because the inspection data for this line indicated that the line had an expected retirement date of April 2011. Inspection data also confirmed that the protective coating at the soil/air interface was in satisfactory condition.Remedial Measures - the leaking line was replaced. NOTE: the State Police RQ and the DEQ RQ for Corrosive Waste is 100. This leak produced 33,881lbs.of corrosive waste. The State Police RQ and DEDQ RQ for primary sludge is 1. This leak produced 81lbs. of primary waste
33,881.0 pounds

Leak in sewer line
Cause: External corrosion of carbon steel line

Followup: No

Notes: Clamps installed as short term repair, leaking line will be replace
250.0 pounds

Leak-process sewer leak
Cause: STORMS-Heavy rains(surrogate sewer needed for storm water diversion)

Followup: Yes

Notes: The excavated sewer line will be repaired. During rain shoring in excavation was damaged and shoring must be repaired before permanent sewer repairs commence.
14.0 pounds

sewer leak
Cause: no information given

Followup: Yes

Notes: leaking line will be replaced
146.0 pounds

Sewer line leak
Cause: external corrosion of the carbon steel line

Followup: No

Notes: The line was clamped to stop the leak. A plan is being devloped to replace line to prevent future leaks. In the interim the line will be minimly used. When in use it will be monitored to lessen leakage probability, when not in use pipe will be drained.Note-two incident descriptions are described;one including some oil spille
166.0 pounds

Tank 101: Water Clarifier Unit
Cause: LDEQ states that the wastewater tank developed a leak, leaking 1/2 gallon of wastewater per minute. Refinery letter identified material released as "primary sludge, hazardous waste F037." LDEQ notes contents of tank are a hazardous material. Exxon personnel pumped all water below the leak point and are working to repair tank.

Followup: No

Notes: RQ. Reportable quantities were exceeded. Contaminated soil was removed. The tank will be permanently repaired before being returned to service.
403.0 pounds