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Calumet Lubricants 1 (1224), Princeton

Causal Factor: Maintenance/Procedures

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
101053

2007-11-14		Hydrocal Unit No. 1 Flare (PH-25)
Cause: Bypass of acid gas from the sulfur recovery unit to the flare during an emergency shutdown of the SRU.

Followup: No

Notes: None mentioned. "Off-site impact not expected to by significant." Estimated chemical amounts reported to LDEQ were 9,124 pounds of Sulfur dioxide and 186 pounds of Hydrogen sulfide.		Sulfur Dioxide: 3,666.7 pounds
Hydrogen Sulfide: 74.8 pounds
131245

2011-05-17		hydrotreater hydrogen valve
Cause: The packing on the hydrogen valve blew out. According to the refinery letter, "the valve had been closed... and was opened for startup of the unit. The valve packing was not checked or replaced during turnaround activities."

Followup: No

Notes: BRQ. Princeton personnel dumped unit pressure to the unit flare and nitrogen was introduced into the system. The Princeton fire brigade "responded and directed fixed monitor streams and advanced hose teams to protect the surrounding equipment." It was recommended to replace valve packing for every future planned shutdown.