British Standards Document
BS EN 13727
Chemical disinfectants and antiseptics. Quantitative suspension test for the evaluation of bactericidal activity in the medical area. Test method and requirements (phase 2, step 1)

https://doi.org/10.3403/30205694U

BS EN 13727 is maintained by CH/216. The current release of this standard is:

BS EN 13727:2012+A2:2015 Chemical disinfectants and antiseptics. Quantitative suspension test for the evaluation of bactericidal activity in the medical area. Test method and requirements (phase 2, step 1)

https://doi.org/10.3403/30205694 (published 31/10/2012)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS EN 13727:2012+A1:2013 [current until 30/11/2015]
BS EN 13727:2012 [current until 28/02/2014]
BS EN 13727:2003 [current until 31/10/2012]