property damage, and has nothing to do with environmental aspects - Toxicity of combustion gases (line 231) is about health safety, and has nothing to do with environmental aspects JP33 221 Annex A1. General [Comments from chemicals and materials [Proposals from chemicals and materials suppliers point of view] suppliers point of view] Benefit of halogenated compounds should also Add after line 203 as follows: be described as well as concern. In particular However, using halogen materials to polymer halogenated materials which improve flame compounds as additive upgrades the various retardant properties can control and reduce characteristic features. In particular, by using the spread of fire including decomposed gases. halogenated frame retardant, in case of fire, burning expansion can be controlled effectively. That can also indirectly contribute the decreasing decomposed gases. SE 229-230 A.3.1 te It is here stated: main reason for such Change wording to: “The assessment is the corrosion effect, since HBr and 16 main reason for such assessment is the “The HCl are not classified as but as “toxic” “irritant”.” corrosion effect, since the adverse health effects of HBr and HCl depend on the concentration in the air.” FR 231 A.3.2 te A indicated in the scope of Part 1 of EN Delete the whole current paragraph and possibly “General” 22 45545 series applications - Fire replace it with an appropriate more general text as “Railway protection on measures in A.3.1. railway vehicles”, “The and requirements specified in EN 45545 are intended to protect passengers and staff in railway vehicles in the event of a fire on board.” The toxicity dealt with in EN 45545-2 is not toxicity for environment and EN 45545-2 should not be referred to in IEC 63031. 231-237 A.3.2 Ge/Te A.3.2 attempts to explain why this standard Remove A.3.2. contains a limit of 0,9% for total halogen content in all substance contained within a product, based on the toxicity of combustion products. We are not aware of any scientifically validated evidence for introducing environmental limits on this basis. It is commonly accepted that CO (carbon monoxide) is the big killer in fires (e.g. ); CO has the additional disadvantage that it odourless and tasteless, which (unlike most other fire gases)
property damage, and has nothing to do with environmental aspects - Toxicity of combustion gases (line 231) is about health safety, and has nothing to do with environmental aspects JP33 221 Annex A1. General [Comments from chemicals and materials suppliers point of view] Benefit of halogenated compounds should also be described as well as concern. In particular halogenated materials which improve flame retardant properties can control and reduce spread of fire including decomposed gases. [Proposals from chemicals and materials suppliers point of view] Add after line 203 as follows: However, using halogen materials to polymer compounds as additive upgrades the various characteristic features. In particular, by using the halogenated frame retardant, in case of fire, burning expansion can be controlled effectively. That can also indirectly contribute the decreasing decomposed gases. SE 16 229-230 A.3.1 te It is here stated: “The main reason for such assessment is the corrosion effect, since HBr and HCl are not classified as “toxic” but as “irritant”.” Change wording to: “The main reason for such assessment is the corrosion effect, since the adverse health effects of HBr and HCl depend on the concentration in the air.” FR 22 231 A.3.2 te A indicated in the scope of Part 1 “General” of EN 45545 series “Railway applications - Fire protection on railway vehicles”, “The measures and requirements specified in EN 45545 are intended to protect passengers and staff in railway vehicles in the event of a fire on board.” The toxicity dealt with in EN 45545-2 is not toxicity for environment and EN 45545-2 should not be referred to in IEC 63031. Delete the whole current paragraph and possibly replace it with an appropriate more general text as in A.3.1. 231-237 A.3.2 Ge/Te A.3.2 attempts to explain why this standard contains a limit of 0,9% for total halogen content in all substance contained within a product, based on the toxicity of combustion products. We are not aware of any scientifically validated evidence for introducing environmental limits on this basis. It is commonly accepted that CO (carbon monoxide) is the big killer in fires (e.g. ); CO has the additional disadvantage that it odourless and tasteless, which (unlike most other fire gases) Remove A.3.2.