With an official publication date of 30 April 2008, BS EN ISO 13857:2008 Safety of machinery. Safety distances to prevent hazard zones being reached by upper and lower limbs replaces both BS EN 294:1992 Safety of machinery. Safety distances to prevent danger zones being reached by the upper limbs and BS EN 811:1997 Safety of machinery. Safety distances to prevent danger zones being reached by the lower limbs. Both of these former standards are superseded and withdrawn as of 30 April 2008.