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Calumet Lubricants 8 (1214), Shreveport

Causal Factor: Under Investigation

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

Sulfur Recovery Unit Incinerator
Cause: Speculation that there is a faulty air valve. No follow up on the report to determine the exact cause.

Followup: No

Notes: A manufacturer representative will visit the site to determine the equipment's accuracy. September letter says flow meter was malfunctioning and the amounts released are lower.
Sulfur Dioxide: 620.0 pounds

Sulfur Recovery Unit Incinerator - Emission point Vf
Cause: The SRU was regenerating catalyst and during the recovery process, the material was released. Suspected that the stack flew meter is measuring high but until confirmed there may be a catalyst regeneration issue in the SRU.

Followup: No

Notes: The reports give three different dates for the upset: 6.25, 6.26 and 6.27. The notes said there was an off site impact. Report says a manufacturer representative was scheduled to visit the refinery in the near future to determine the equipment's accuracy.
Sulfur Dioxide: 815.0 pounds

Belco Tail Gas Unit (B2001 CO Boiler/WGS)
Cause: EXPLOSION of Belco tail gas SRU (sulfur recovery unit) "resulting in a long term loss of the scrubber" Report lists no releases/emissions, states that there were no injuries. FIRE.

Followup: No

Notes: BRQ. "Belco unit isolated. area barricaded. all sulfur producing units were idled in a controlled manner" Off site impact: "Some residential damage from explosion shockwave"; no environmental impact noted.


Storage tank 10
Cause: Light lube oil Calpar 80 release of 18 barrels (from storage tank 10) was reported on 9/25/2012.

Followup: No

Notes: Contractors removed impacted materials outside of secondary containment and vacuumed fluids inside of secondary containment. The facility has been doing weekly inspections of the secondary containment structure and has noted planned discharges of stormwater.
Lube Oil: 756.0 gallons

Boiler #5
Cause: A fuel gas explosion destroyed boiler #5 and caused an evacuation. The cause of the explosion is unknown and under investigation.

Followup: No

Notes: Air monitoring was conducted and no harmful emissions were detected. A root cause analysis will take place and findings will be sent to NWRO. There is no incident report and no SPOC report attached to the file. The monitoring report form is attached to this file.