BS 2893:1989 - Specification for chemical preparations for portable and transportable chemical closets (excluding those for use in aircrafts)
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This British Standard specifies performance requirements for chemical preparations for use in portable and transportable chemical closets, excepts, except for closets used in aircraft.
Colour; Odour control; Chemical closets; Chemical reagents; Transportable; Sanitary appliances; Hygiene; Chemical analysis and testing; Microbiological-resistance tests; Life (durability); Colour fastness; Stability; Portable; Odours; Dilution