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Accident # | No LDEQ Number Available |
State Police # | 13-04032 |
Accident Date | 2013-09-11 |
Report Date | 2013-09-17 |
Follow-up Date | 0000-00-00 |
Follow-up: | No |
Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
Sulfur Dioxide | NO | YES | NO | 95.0 pounds |
Accident Classified As: Below Reportable Quantity (BRQ)
At approximately 15:50 hours on September 11, 2013, Placid's #3 Sulfur Recovery Unit had shutdown resulting in excess SO2 emissions from the #2 Sulfur Recovery Unit Incinerator. The cause of the shutdown was due to a failed fuse on an Air Blower. Unit adjustments were made to prevent flaring of Acid Gas and to redistribute sulfur load through the #2 SRU.
At 15:51 #3 SRU was restarted and by 16:42 SO2 emissions from the #2 Incinerator were below 250 ppm. Emissions from #3 SRU upset is 95 lbs of SO2 total during the event. Amount exceeds Placid's maximum lb/hr air permit limits for one hour of operation. Amount is below the established 500 pound RQ for SO2.
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