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Accident # | 137263 |
PDF Available | ![]() |
State Police # | 12-00928 |
Accident Date | 2012-02-16 |
Report Date | 2012-02-23 |
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 | 17h 25m | SRU incinerator #1 | NO | YES | NO | 407.0 pounds |
Nitrogen | 17h 25m | SRU incinerator #1 | NO | NO | NO | BRQ |
Hydrogen | 17h 25m | SRU incinerator #1 | NO | NO | NO | BRQ |
Carbon Monoxide | 17h 25m | SRU incinerator #1 | NO | YES | NO | BRQ |
Carbon Dioxide | 17h 25m | SRU incinerator #1 | YES | NO | NO | BRQ |
Vapor | 17h 25m | SRU incinerator #1 | NO | NO | NO | BRQ |
Hydrogen Sulfide | 17h 25m | SRU incinerator #1 | NO | NO | NO | BRQ |
Carbon Disulfide | 17h 25m | SRU incinerator #1 | NO | NO | NO | BRQ |
Carbonyl Sulfide | 17h 25m | SRU incinerator #1 | NO | NO | YES | BRQ |
Accident Classified As: Below Reportable Quantity (BRQ)
A plugged quench tower in TGTU #1 that operated in conjunction with SRU #2 had to be taken out of service for cleaning resulting in a TGTU bypass which caused an increase in SO2 emissions from the SRU incinerator #1 on SRU#3.
Placid had to perform the maintenance cleaning activity so the TGTU would perform as designed. The plugging in the tower resulted from a malfunction earlier in the week that was deemed preventable.
The maintenance cleaning activity on the plugged Quench Tower was performed quickly as possible and reduced acid gas production by reducing processing unit charge rates and shifting the maximum acid gas load possible to the SRU #3. Operator training is being conducted to prevent the initial incident earlier in the week. Offsite air monitoring occurred throughout the duration of the incident.Additional operator training and any findings or corrective actions that stem from the formal Root Cause Analysis
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