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Accident # | 86579 |
State Police # | 06-01648 |
Accident Date | 2006-03-18 |
Report Date | 2006-03-24 |
Follow-up Date | 0000-00-00 |
Follow-up: | No |
Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
Water | 28h | East Train Hydrofiner (HHLA-E) | NO | NO | NO | 3,493.0 pounds |
Hydrogen Sulfide | 28h | East Train Hydrofiner (HHLA-E) | NO | NO | NO | 399.0 pounds |
Ethane | 28h | East Train Hydrofiner (HHLA-E) | NO | NO | YES | 412.0 pounds |
Methane | 28h | East Train Hydrofiner (HHLA-E) | YES | NO | YES | 407.0 pounds |
Hydrogen | 28h | East Train Hydrofiner (HHLA-E) | NO | NO | NO | 127.0 pounds |
Volatile Organic Compounds (VOCs) | 28h | East Train Hydrofiner (HHLA-E) | NO | NO | YES | 18,121.0 pounds |
Accident Classified As:
-Exchanger on the East Train Hydrofiner (HHLA-E) was leaking into a cooling tower. The seating surface and gasket on the floating head were upgraded during the turnaround. Operations personnel installed the exchanger correctly . However, when the exchanger was worked offsite, the contracting company installed the wrong bolts in the floating head of the exchanger. The bolts broke due to wet hydrogen sulfide cracking which caused the exchanger to leak. Note: the accident started at 10:00am on 03/17/06 but was not discovered until 1:50pm on 03/18/2006
The cause of the accident is listed as preventable in the company's report, but there is no explanation whatsoever as to why it was preventable - that section is blank. In the report it does state that further investigation of the incident is currently being conducted. Remedial measure are listed as - the exchanger bolts replaced with appropriate material for the predetermined run length. Reportable quantities were exceeded for hydrogen sulfide and volatile organic compounds
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