What is BS 2893 – Chemical preparations for chemical closets about? 
BS 2893 is a European Standard that discusses portable and transportable chemical closets. BS 2893 aims to provide specifications for chemical preparations for portable and transportable chemical closets.
BS 2893 specifies performance requirements for chemical preparations for use in portable and transportable chemical closets, except for closets used in aircraft.
Who is BS 2893 - Chemical preparations for chemical closets for?  
BS 2893 on chemical preparations for chemical closets applies to: 
- Manufacturers and suppliers of chemical closets
- Dealers and importers of chemical closets
- Environmental testing agencies
- Chemical engineers
- Testing and inspection services
- Quality and safety assurance services 
- Regulatory bodies
Why should you use BS 2893 - Chemical preparations for chemical closets? 
Portable and transportable chemical closets are used for the purpose of sanitary use, in areas deprived of sanitation facilities. These closets need to maintain specific requirements to serve a standardized level of hygiene and functionality.
BS 2893 provides you guidance on the requirements for chemical preparations for chemical closets, including maintaining antimicrobial value, stability of colour, stability of chemicals before and after dilution and flashpoints to ensure safety, prevent chemical hazards and quality of the product.
BS 2893 provides you guidance on the marking and labelling of chemical closets, enabling you to provide full information disclosure to ensure the identification, authenticity and validity of chemical closets.
By adopting BS 2893, you can develop and assess chemical closets to ensure chemical stability, prevention of chemical hazards and development of an optimal environment to store chemicals.
What’s changed since the last update?
BS 2893:1989 supersedes BS 2893:1957, which is now withdrawn.
Changes in BS 2893:1989 include:
- The biological efficacy of the preparations is specified in terms of performance rather than compositional requirements
- The attributes that cannot be specified objectively have been transferred to Appendix A
