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Pedricktown Dispersion Resin Plant Vinyi Cinb. ide Fugitive Emission Release
March 30, 2000
Summary and Cause of Incident:
On Wednesday, March 29 around i0:00 a m., an asbestos gasket
ruptured on a recovery system line causing a fugitive Vinyl Chloride emission release of 3 pounds. No
injuries resulted and there was no impact on the surrounding community. This incident has been
classified as a New Jersey TCPA EHS ACCIDENT - EQUIPMENT FAILURE & HUMAN ERROR
Board of Review:
A Board of Review was held at 11 a.m. on Thursday, March 30 with the
following attendees:
Darrell Robinette
Senior Operations Specialist
Dave Dufort
Process Engineer
Poly Technician
Bill Russell
Lead 1'echnician
Ron Betts
Raw Material Technician
Otis Sistrunk
Environmental Engineer
Corrective Actions: I Replace the asbestos gaskets on the line, 3 in total, with Fiexitalic gaskets. - Bill Russell, Completed
3/29/00 2. Re-label the recovery line in 3 new locations - Bill Russell, Completed 3/29/00 3. Discuss and drill this and other likely incidents at Shift Meetings. - Carl DeGrazio by 6/30/00 4. Perform internal audit to evaluate the labeling of process lines in the Poly building. - Bill Russell by
4/30/00 5. The performance of the Poly Technician will be reviewed along with the necessary actions to prevent
reoccurrence. - Bill Russell / Darrell Robinette / Dave Dufort by 4/10/00
Narrative: Around 10:00 am on Wednesday, March 29, Ron Betts was walking by the tank farm
area when he noticed foam emitting out of an unlabeled recovery line flange. He notified the Poly
Technician,
to rectify the situation
isolated the nearby recovered Vinyl Chloride
monomer tank and pump discharge, but, in confusion, opened a valve connecting the leaking recovery
line to a 6" feed line which contained 3' of residual recovered Vinyl Chloride monomer (RVCM). The
Lead Tech was notified around 10:02 via the Console Tech. The Lead Tech turned on the near-by water
monitor to knock down the foam and vapor from the line to determine where the leak was. He then
notified Waste Treatment that the water pumps would turn on, then proceeded to pull the building Gas
Alarm. Waste Treatment was then notified to divert the area sumps and close the storm drains to divert
the run off water. The Lead Tech then closed the valve on the inside of the building, isolating the
recovery line to a 6' section, shut off the water monitors, and closed the valve connecting the recovery
line to the RVCM pump.
Facts Surrounding the Incident: 1. The foam initially noticed emitting out of the flange was slurry which entered the line during a
Premix transfer. 2 The Vinyl Chloride was introduced to the surroundings through the leak when the valve connecting
the recovery line to the RVCM line was opened by the Poly Technician. 3. The recovery line is a low point in the system which is only used when recovering the South Premix
Tekmars or the RVCM pump. The line was most likely filled with slurry from a Preinix transfer. 4. The gasket most likely ruptured due to thermal expansion of the liquid trapped in the line from the
increase in ambient temperatures from night to day time.
REDACTED
NGC 13633
5 If the people involved in attempting to control the situation had taken time to evaluate the situation before reacting, the release would have been less severe and controlled with little to no intrusion.
Management Systems Investigation: 1. . has worked in the area as a Charge Technician since 1981 2. He was re-certified in this position in October 1998. 3. Emergency response was immediate and effective. 4. Though the labeling on the lines was hard to sec, it did not play a role in the incident. 5. Examination of the gasket revealed a 1/16" separation where the gasket ruptured. 6. Confusion was noted by some site personnel regarding gas alarm assembly points. A gas alarm drill
had already been scheduled for April to reinforce assembly points. 7. Notifications were made to the proper state and federal agencies as a precaution. This incident was
not a permit violation and the Fugitive Emissions will be reported per our facility wide permit requirements. 8. The NJDEP arrived on site shortly after the incident to review the incident at the Pedricktown plant. The gasket, location of the spill, and actions taken were reviewed. The NJDEP was satisfied by the actions taken at the site.
Conclusion:
The release occurred when
opened the wrong valve (Human Error) to control a gasket failure
(Equipment Failure) on the equipment recovery header. The maximum Vinyl Chloride readings detected
by a local GC point was 3.92 ppm at source. The total Vinyl Chloride emitted was calculated to be 3
pounds.
Approvals
Darrell Robinette - Senior Operations Specialist - BOR Chairman
Dave Dufort - Process Engineer
Poly Technician
Bill Russell - Lead Technician
Ron Betts - Raw Material Technician
Otis Sistrunk - Environmental Engineer
NOC 13634