Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.
Odlaug TE, et al. Heat resistance and population stability of lyophilized Bacillus subtilis spores. Appl. Environ. Microbiol. 41: 1374-1377, 1981.
Sterilization of health care products --- Biological indicators, Part 3: Biological indicators for moist heat sterilization processes. London, UK:British Standards Institution;British Standard BS EN ISO 11138-3:2006.
