POINTS TO REMEMBER
BIOLOGICAL INDICATORS OF STERILIZATION METHOD
MOIST HEAT – Spores of _Bacillus stearothermophilus_, _Bacillus subtilis_, _Bacillus coagulans_ and _Clostridium sporogenes_
DRY HEAT– _Spores of Bacillus subtilis var niger_
 IONIZATION RADIATION– Spores of _Bacillus pumilus_
FILTRATION– _Pseudomonas diminuta_ also Known as _Brevundimonas diminuta_
ETHYLENE OXIDE– Spores of _Bacillus subtilis var niger_
 HYDROGEN PEROXIDE AND PERACETIC ACID – Spores of _Bacillus sstearothermophilus_, _Bacillus subtilis_, _Bacillus Coagulans_ and _Clostridium sporogenes_
 FORMALDEHYDE – _Bacillus subtilis var Niger_
