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Halon Options Task Group Update Chapter 2: Halocarbon Replacements

Halon Options Task Group Update Chapter 2: Halocarbon Replacements. Tom Cortina Halon Alternatives Research Corporation IASFPWG Meeting May 18, 2010 London, England. Chapter Overview. 2. - Classes of Halocarbon Replacements 2.1 - Toxicology 2.2 - Environmental Considerations

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Halon Options Task Group Update Chapter 2: Halocarbon Replacements

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  1. Halon Options Task Group UpdateChapter 2:Halocarbon Replacements Tom Cortina Halon Alternatives Research Corporation IASFPWG Meeting May 18, 2010 London, England

  2. Chapter Overview 2. - Classes of Halocarbon Replacements 2.1 - Toxicology 2.2 - Environmental Considerations 2.3 - Commercialized Replacements

  3. Chapter Update 2. Classes of Halocarbon Replacements • Hydrochlorofluorocarbons (HCFCs) - keep • Perfluorocarbons (PFCs or FCs) - remove • Hydrofluorocarbons (HFCs) - keep • Fluoroiodocarbons (FICs) - keep or remove? • Fluoroketones (FKs) - add • Hydrobromofluorocarbons (HBFCs) - do we add back because of BTP?

  4. Chapter Update 2.1 Toxicology • Information on acute, subchronic, chronic, anesthesia, cardiac sensitization - unchanged • Exposure Limits • Update information on NFPA 2001 and EPA SNAP exposure limits • Add information on ISO 14520 exposure limits • UK Halon Alternatives Group (HAG) allowable design concentrations - is this still relevant?

  5. Chapter Update 2.2 Environmental Considerations • Information on ODP, atmospheric lifetime, GWP, impacts of blends - unchanged • Regulatory Restrictions • Update information on Montreal Protocol controls, accelerated HCFC phase out • Add information on halon regulations in EU and Canada, revised critical use list (Annex VI), ICAO resolution phase out dates • Add information on potential regulation of HFCs as greenhouse gases - Montreal Protocol, US legislation, EU F-gas regulation

  6. Chapter Update 2.3 Commercialized Replacements • Update Table 7 and 12 • Eliminate agents no longer being sold such as PFCs, HCFC Blend A/D/E, HCFC-124?, CF3I? • Add new agents such as fluoroketones (FKs) • Update Table 8, 9, 10, 11, and 13 • Collect updated information from manufacturers on design concentrations, weight and volume equivalents, performance • Update information on environmental and toxicity properties

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