2010BS EN ISO 11140-3:2009 Sterilization of health care products - Chemical indicators - Class 2 indicator systems for use in the Bowie and Dick-type steam penetration test
2007BS EN ISO 11140-3:2007 Sterilization of health care products - Chemical indicators - Class 2 indicator systems for use in the Bowie and Dick-type steam penetration test
1997BS EN 867-3:1997 Non-biological systems for use in sterilizers - Specification for Class B indicators for use in the Bowie and Dick test