1. Standard- BS6853 Annex D
BS6853 Annex D: Methods for measuring smoke density
BS6853:1999 Code of practice for fire precautions in the design and construction of passenger carrying trains.
BS 6853 Annex D.8.3 is utilized for Minor Use Materials (Tables 7 and 8 of BS 6853: 1999) and Textiles (Table 11 of BS 6853: 1999).
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