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CSB  INVESTIGATION INFORMATION PAGE
Kaltech Industries Waste Mixing Explosion
New York, NY, April 25, 2002
Kaltech Industries Waste Mixing Explosion
Scene of building explosion on 19th Street in Chelsea neighborhood of Manhattan

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Incident Description
On April 25, 2002, an explosion occurred at Kaltech Industries, a sign manufacturer in the Chelsea neighborhood of New York City, injuring 36 people seriously enough to seek hospital treatment, including 14 members of the public. The explosion, which was the result of a reaction between waste chemicals, originated in the basement of a mixed-use commercial building and caused damage as high as the fifth floor.

Investigation Status
The Board approved the final report on this investigation at a public meeting in New York City on September 30, 2003.

Reports Final Investigation Report
Reports December 20, 2007, CSB Statement at Public Forum
Digests Digest of Kaltech Investigation
Webcast
News Releases News Release December 5, 2007 - CSB Officials Encouraged with Progress Announced Today by New York City in Revising its Outdated Fire Code
News Releases News Release March 19, 2004 - New York City Moves to Revise Fire Code Following CSB Recommendation in Kaltech Investigation
News Releases News Release December 10, 2003 - Dr. Gerald Poje Testifies before New York City Council Committee on Need to Update City Fire Code in Wake of Kaltech Explosion
News Releases News Release September 30, 2003 - CSB Issues Final Report On Chelsea Building Explosion, Calls On New York City To Strengthen Fire Code
News Releases News Release September 30, 2003 - La CSB Emite Un Informe Final Sobre La Explosión Del Edificio Chelsea Y Hace Un Llamado A La Ciudad De Nueva York Para Fortalecer El Código De Incendios
News Releases News Release September 8, 2003 - Board to Convene September 30 Public Meeting in New York City on Kaltech Investigation
News Releases News Release April 16, 2003 - CSB Releases Preliminary Findings in Kaltech Industries April 25, 2002, Explosion in New York - Cites Improper Mixing of Waste Chemicals, Lack of Workplace Safety Procedures
News Releases News Release April 26, 2002 - CSB Investigators Probing New York City Building Explosion
Presentations Slide Presentation from Board Public Meeting, New York, NY, September 30, 2003
Presentations Slide Presentation from Board Public Hearing, New York, NY, April 16, 2003
Notices Federal Register Notice for Board Public Meeting, New York, NY, September 30, 2003
Notices Federal Register Notice for Board Public Hearing, New York, NY, April 16, 2003
Transcripts Transcript of Board Public Meeting, New York, NY, September 30, 2003
Transcripts Transcript of Board Public Hearing, New York, NY, April 16, 2003