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Formosa Plastics (288), Baton Rouge

Releases of Hydrochloric Acid

LDEQ Accident Number
Accident Date
Point Source(s) Notes Amount of Release

NP 110 CND Recovery pump
Cause: A patch on a line was leaking slowly. Coming from NP 110 CND recovery pump.

Followup: No

Notes: Someone was sent to isolate and patch the release. Amount of ethylene dichloride, hydrochloric acid and vinyl chloride released is unknown. LDEQ report indicates that a written report was received 8/8/08, but that report is not included in LABB's file.

NT506A tank
Cause: There was a leak on NT506A tank. Readings on the tank were 11 PPM.

Followup: No

Notes: Operators pumped the tank down to secure the incident.

Quench column NC201C
Cause: There was a flange leak on on the transition line to quench column NC201C.

Followup: No

Notes: The equipment was shut down, and the pressure was removed. Information later revealed that these were fugitive emissions associated with a permitted source.

Quench filter pump
Cause: There was a pinhole leak on a quench filter pump.

Followup: No

Notes: The leak was isolated, and troubleshooting for repairs was initiated.

Cause: Blew a gasket on a HCL gas holder NV-203 due to plant upset from loss of power.

Followup: No

Notes: No information given.


Cause: There were two simultaneous releases when a pressure relief valve released on startup. Each release lasted 30 seconds.

Followup: No

Notes: To correct the problem the process was adjusted and the steam pressure lowered. Amount of vinyl chloride, ethylene dichloride, and hyrdogen chloride released is unknown.

20" manway gasket
Cause: Gasket leak on a 20" manway gasket on the HCL column.

Followup: No

Notes: no information given

1/2 inch valve from V2000 C
Cause: 1/2 inch flow transmitted from V2000 C starting leakin from a 1/2 inch valve resulting in the release of unknown quantities of ethylene dichloride, vinyl chloride, and a hydrochloric acid mixture.

Followup: No

Notes: The valve was isolated to stop the leak. Amount of ethylene dichloride, hydrochloric acid mixture, and ethylene dichloride released is unknown but below reportable quantity.

furnace system of pump NP202F, system NR201C
Cause: Unknown quantity of vinyl chloride, hydrochloric acid, and ethylene dichloride. A seal blew out on the pump on the furnace system of pump NP202F, system NR201C.

Followup: No

Notes: The leak was reported as secured at the time of notification, 8 minutes after being discovered.

6-inch vent line
Cause: Hydrochloric acid and Vinyl Chrloride vapor were released into the atmopshere when a pinholde developed on a 6-inch vent line.

Followup: No

Notes: The vent line has been isolated and there is no pressure on the line. No fires, injuries, or road closures were reported as a result of this incident. No further action by LDEQ at this time.
2.3 pounds

Cause: Release of hydrochloric acid, ethylene dichloride, and vinyl chloride from a pinhole leak found in piping.

Followup: No

Notes: Sprayed water on leak to suppress vapor release. No fires, injuries, or evacuations. No letter from the chemical plant. SPOC report states that the vinyl chloride might be close to the RQ. No written notification, only SPOC and verbal report.
5.0 pounds