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Honeywell (289, 183605), Baton Rouge

LDEQ Accident Report

Accident #129244
State Police #11-0507
Accident Date2011-02-13
Report Date 2011-02-18
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
1,1-Dichloro-2,2,2-Trifluorethane (G-123)6 hBrine Hold TankYESNOYES10,814.0 pounds

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Process Upset

Leak in the G-1113 unit at the brine jacket relief valve on the brine pump tank. At the time of the leak, the G1113 unit was shutdown and the brine system was in circulation mode causing the unit to lose cooling water. The loss of cooling water caused by the brine temperature to increase and pressure up the brine hold tank resulting in the pressure relief valve lifting.

Discharge Preventable - No Information Given

Notes/Remedial Actions

G1113 unit was shutdown and the brine system was in circulation mode. Circulating pump was immediately shutdown to seat the relief valve. The liquid portion of the leak was contained in the sump and containment area with a 2069 gallon capacity. As a precaution, the diversion gate to stormwater outfall 003 was closed and water was diverted for on-site treatment. Honeywell has modified its operating procedures to shutdown the brine pumps in the event the unit is down for an extended period greater than 6 hours. Long term plans are to redesign the pressure safety valves to add an additional layer of protection to prevent release to atmosphere.