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Isocyanates Profile
Automotive Refinishing Shop Project and Philadelphia Project
Background information on the use of diisocyanates in the automotive refinishing industry is available in this draft report, entitled "Isocyanates Profile: Autorefinishing Industry." This profile contains EPA's Description of Isocyanate Chemical Category and Hazard Concerns (Appendix A) (PDF file, 10KB), which contains health and safety information and recommended engineering controls and protective equipment to reduce inhalation and dermal exposure. EPA's assessment of diisocyanate toxicity supports the need for exposure reductions, as discussed in the Toxicology (PDF file, 22KB) section of the profile.
In addition, the National Institute for Occupational Safety and Health
(NIOSH) published an ALERT
in
1996 warning that workers exposed to diisocyanates may develop serious
or fatal respiratory disease. Information on control technologyfor
the auto refinish industry is also provided. Furthermore, the Occupational
Safety and Health Administration (OSHA) provides information on health
effects of isocyanatesand
related technical links, including occupational asthma, dermal exposure,
and autobody refinishing.
EPA has made changes to the Toxicology section, Appendix A-1, and Appendix A-2 to include information on the monomer content in prepolymers and polymers based on based on correspondence between the American Chemistry Council and EPA that is available on EPA's Information Quality Guidelines web site (RFC 04025 and RFR 04025A).
This profile also contains information on the following subject areas:
Download entire profile [PDF] (322KB, 60 pages)
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Cover Page for the Revised draft of the Isocyanates Profile [PDF] (11KB, 1 page)
Acknowledgements [PDF] (11KB, 1 page)
Editor's Note for the Revised draft of the Isocyanates Profile [PDF] (15KB, 1 page)
Table of Contents for the revised draft of the Isocyanates Profile [PDF] (13 KB, 3 pages)
Introduction/Background [PDF] (32KB, 6 pages)
Chemistry (Definition, Hazard Concerns, Manufacture, Uses, Coatings Classifications) [PDF] (93KB, 6 pages)
Toxicology (including Apendix A, A-1, A-2) for the revised draft of the Isocyanates Profile [PDF] (39KB, 8 pages) [REVISED]
Occupational Exposure (including Apendix B) [PDF] (67KB, 4 pages)
Production Volumes/Distribution (including Apendix C and D) [PDF] (31KB, 6 pages)
Process Description [PDF] (38KB, 1 page)
Control Technology (Paint Spray Equipment) (including Apendix E and F) [PDF] (44KB, 7 pages)
Respiratory Protection [PDF] (43KB, 1 page)
Opportunity for Risk Reduction and Innovation (Green Chemistry and Engineering, Environmental Benefits) [PDF] (68KB, 5 pages)
Environmental Releases [PDF] (47KB, 1 page)
Environmental Fate [PDF] (48KB, 1 page)
Regulatory History (including Apendix G) [PDF] (36KB, 6 pages)
References [PDF] (77KB, 4 pages)
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