This medium is designed to be utilized in conjunction with BIS containing Bacillus stearothermophilus to monitor steam at 121◦C to 134◦C, vaporized Hydrogen Peroxide(VH202), Chlorine Dioxide (CIO2) processes, Chemiclave and Formaldehyde processes. It contains Soyabean Casein Digest Medium with Bromocresol purple (BCP) as an indicator. It is available in 4 ml packing.