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Calumet Lubricants 8 (1214), Shreveport

Causal Factor: Start Up, Shut Down

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
137502 & 137503

2012-02-27		No Information Given
Cause: On 2/27/12 Calumet self reported a sulfur dioxide release around 5:00 am. A site visit was conducted on 2/28/12 with report of release of sulfur dioxide on 2/28/12. SRU, Dinowave, and Thermoxidixer units down. An estimated 1100 lbs of sulfur dioxide was released. Calculations pending. Air monitoring conducted on 2/28/12 with no hazardous detection of sulfur dioxide. The fuel gas system's H2S contents had increased to a point where the refinery exceeded 500 lb/day limit for SO2 through the heaters and boilers systems from February 27-29. Caused by emergency shutdown in the No. 1 Hydrogen Unit for safety concerns.

Followup: No

Notes: The total emissions of SO2 for the three days were as follows: 1775, 6169, and 3639. These estimates are based on the operator samples and flow meter data.		Sulfur Dioxide: 11,583.0 pounds