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Technic Inc. Ventilation System Explosion
FINAL REPORT: Final Investigation Report
Location: Cranston, RI
Accident Occurred On: 02/07/2003
Final Report Released On: 08/20/2004
Accident Type: Chemical Manufacturing - Fire and Explosion
Company Name: Technic Inc.

statistics

Total # of Recommendations
7
Total # of Open Recommendations
1
Total # of Closed Recommendations
6
Total % of Open 14 vs. Closed 86

investigation information

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Accident Description
On February 7, 2003, a worker was seriously injured in an explosion at Technic Inc. in Cranston, Rhode Island. The explosion occurred during maintenance on a ventilation system connected to multiple chemical reactors, evidently due to an accumulation of hazardous material inside. The plant manufactures precious metal processing chemicals.
Investigation Status
The Board voted 5-0 to approve the final report on August 20, 2004.


 

Recommendations

American Conference of Governmental Industrial Hygienists (ACGIH)
2003-08-I-RI-7

Update the preliminary steps in the chapter on exhaust system design in the next revision of the Industrial Ventilation Manual, emphasizing the need to evaluate potential incompatibilities between dusts, fumes, or vapors that are likely to be intermixed in main header ducts of a ventilation system to ensure that they do not result in fire or explosion hazards, or destructive corrosion. Reference appropriate methods for such evaluations, such as the ASTM E 2012-00 standard.

Status: Closed - Acceptable Action
Closed - Acceptable Action (C - AA) - The recipient has completed action on the recommendation. The action taken meets the objectives envisioned by the Board.
 

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American Industrial Hygiene Association (AIHA)
2003-08-I-RI-6

Revise the appendix of ANSI Z9.2, American National Standard Fundamentals Governing the Design and Operation of Local Exhaust Systems, emphasizing the need to evaluate potential incompatibilities when dusts, fumes, or vapors are intermixed in local exhaust ventilation systems with common headers to ensure that they do not result in fire or explosion hazards, or destructive corrosion. Reference appropriate methods for such evaluations, such as the ASTM E 2012-00 standard.

Status: Closed - Acceptable Action
Closed - Acceptable Action (C - AA) - The recipient has completed action on the recommendation. The action taken meets the objectives envisioned by the Board.
 

National Fire Protection Association (NFPA)
2003-08-I-RI-5

Revise the appendix of NFPA 91, Standard for Exhaust Systems for Air Conveying of Vapors, Gases, Mists, and Noncombustible Particulate Solids, emphasizing the need to evaluate potential incompatibilities when dusts, fumes, or vapors are intermixed in vent collection systems to ensure that they do not result in fire or explosion hazards, or destructive corrosion. Reference appropriate methods for such evaluations, such as the ASTM E 2012-00 standard.

Status: Open - Awaiting Response or Evaluation/Approval of Response
Open - Awaiting Response or Evaluation/Approval of Response (O - ARE/AR) - The recipient has not submitted a substantive response, or the evaluation by CSB staff of a response is pending, or the Board has not yet acted on staff recommendation of status.
 

Technic Inc.
2003-08-I-RI-1

As a part of the engineering process, implement formal process safety review procedures for projects involving chemical processes- including the vent collection system. Incorporate a process hazard analysis, reactive chemical hazard evaluation, and design evaluation consistent with applicable codes and standards.

Status: Closed - Unacceptable Action/No Response Received
Closed - Unacceptable Action/No Response Received (C - UA/NRR) - Recipient responds by expressing disagreement with the need outlined in the recommendation and the Board concludes that further correspondence on, or discussion of, the matter would not change the recipient?s position.
 

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2003-08-I-RI-2

Implement a management-of-change program and ensure that reviews are conducted for any proposed changes to the vent collection system and its connected processes.

Status: Closed - Unacceptable Action/No Response Received
Closed - Unacceptable Action/No Response Received (C - UA/NRR) - Recipient responds by expressing disagreement with the need outlined in the recommendation and the Board concludes that further correspondence on, or discussion of, the matter would not change the recipient?s position.
 

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2003-08-I-RI-3

Implement a preventive maintenance program for the vent collection system that includes regular inspections training and troubleshooting.

Status: Closed - Acceptable Action
Closed - Acceptable Action (C - AA) - The recipient has completed action on the recommendation. The action taken meets the objectives envisioned by the Board.
 

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2003-08-I-RI-4

Work with the Cranston Fire Department to improve the facility's emergency response plan, including emergency response procedures and interface with the surrounding community. Submit the plan to the fire department for review.

Status: Closed - Acceptable Action
Closed - Acceptable Action (C - AA) - The recipient has completed action on the recommendation. The action taken meets the objectives envisioned by the Board.
 

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Related News

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In Final Report, CSB Cites Flawed Ventilation Design, Lack of Hazard Analysis in February 2003 Explosion at Technic Inc. Plating Chemicals Facility
9/16/2004
Washington, DC, September 16, 2004 - The U.S. Chemical Safety and Hazard Investigation Board (CSB) today released its final report examining the causes of the February 2003 explosion and fire at a plating chemicals manufacturing facility in Cranston, Rhode Island. The report determined several root and contributing causes of the accident and made recommendations to the company and industrial safety organizations.
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CSB Team Heading to Site of Rhode Island Chemical Incident
2/7/2003
(Washington, DC - February 7, 2003) The U.S. Chemical Safety Board (CSB) has dispatched an investigative team to the site of this morning's reported chemical explosion at Technic Inc. in Cranston, Rhode Island, south of Providence. CSB Board Member Dr. Isadore (Irv) Rosenthal will be accompanying the team, which will be headed by lead investigator Randy McClure. Preliminary reports indicate that a number of injuries occurred and that cyanide, acid, and other materials may have been present. The CSB team will immediately begin examining the nature of the accident.
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