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
BS 6853 Annex B.2: Area based test method（prEN2824，prEN2825，prEN2825). An area based method should be used used for sufaces(Table 1,Table 2,Table 3,Table 4,Table 5,Table 6) seat tirm and seat shell(Table 9,Table 10) and mattresses(Table 12).
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