Intermediate-level disinfection definition
Intermediate-level disinfection means disinfection that kills bacteria and most viruses and is accomplished by using a tuberculocidal "hospital disinfectant" or a 1:100 dilution of bleach (300-600 mg/ L free chlorine). "Low-level disinfection" means disinfection that kills most bacteria and is accomplished by using general purpose disinfectants.
Intermediate-level disinfection means a disinfection process capable of killing M. tuberculosis var. bovis, but not bacterial spores. When using a process that kills M. tuberculosis var. bovis, you will also inactivate organisms with a lesser degree of intrinsic resistance, such as most vegetative bacteria and fungi as well as viruses such as hepatitis B virus (HBV) and HIV. Examples of intermediate-level disinfectants include alcohols (70 to 90 percent ethanol or isopropanol), chlorine compounds (free chlorine, i.e., hypochlorus acids derived from sodium or calcium hypochlorite), and certain phenolic or iodophor preparations, depending on formulation. Intermediate-level disinfectants are regulated by EPA.
Intermediate-level disinfection means that disinfection which kills vegetative bacteria, tu- bercle bacillus, fungi, lipid and non-lipid viruses and does not kill resistant bacterial spores.