BS6853:1999: Code of practice for fire precautions in the design and construction of passenger carrying trains.
BS6853 Annex B: Determination of weighted summation of toxic fume, R
The two different methods are as follows:
BS 6853 Annex B.1: Mass based test method(NF X 70-100)，This method should be appkied to minor use materials(table 7 and table 8),textiles(table 11) and cables (table 13 and table14).
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