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Accident # | 126170 |
State Police # | 10-05152 |
Accident Date | 2010-09-07 |
Report Date | 2010-09-14 |
Follow-up Date | 2010-12-14 |
Follow-up: | Yes |
Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
Hydrogen Sulfide | 2h 23m | Fin Fans | NO | NO | NO | 383.0 pounds |
Volatile Organic Compounds (VOCs) | 2h 23m | Fin Fans | NO | NO | YES | 2,714.0 pounds |
Accident Classified As:
LDEQ report states the event released hydrogen sulfide and VOC for 163 minutes. CRLLC had a tube failure on the inlet side of an exchager at the hydrodesulfurization unit. Gas was released into the atmosphere. Follow-up report states that the leak was the result of thermal cycles on the fin fans which occurred during a power interruption. The unit was shutdown and fin fan exchanger was purged with nitrogen.
Refinery letter states that this release was not considered preventable. Tube failed unexpectedly and was not "reasonably foreseeable."
RQ. Unit was shutdown and exchanger purged with nitrogen. LDEQ report states that DEQ database was checked several times for a 60 day follow-up notification but no report was sent within 60 days. When contacted they stated no knowledge of 60 day notification requirement. The facility then submitted the second follow-up report notification with root cause analysis. According to the report, the event was not preventable. This facility referred to circuit rider for not submitting the second follow-up notification in accordance with LAC 33.I.3925.A.3
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