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Formosa Plastics (288), Baton Rouge

Causal Factor: Human Factors

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

Cause: The released was caused by operator error when a valve on the discharge filter was opened.

Followup: Yes

Notes: The valve was closed to stop the release of slurry, and administrative action was planned for the procedural deviation. Release >RQ of VCM. Closed the valve right away. Follow up was an Inspection/Referral on 8/14/07.
Vinyl Chloride: 10.0 pounds

Cause: Operations inadvertently isolated the relief valve during the transfer of vinyl chloride, resulting in hydrostatic pressure buildup at the filter and subsequent rupture of the O-ring.

Followup: Yes

Notes: The filter was isolated and purged to a closed system using nitrogen. Follow-up report states that RVs will be installed before/after affected equipment, that additional piping modifications would be made as deemed necessary, that SOPs will be reviewed and modified, and that affected personnel will be trained accordingly.
Vinyl Chloride: 1,428.0 pounds

PVC reactor
Cause: Operation error caused PVC reactor to release 2036 lb Vinyl Chloride monomer during the rinse/wash cycle subsequent discharge and emptying of the vessel.

Followup: No

Notes: No information given
Vinyl Chloride: 2,036.0 pounds

Cause: Release valve lifted on PR401A and released 1255lbs of of vinyl chloride.

Followup: No

Notes: The emissions will be added to the annual emissions statement.
Vinyl Chloride: 1,255.0 pounds