There are three levels of disinfection: high, intermediate, and low. High-level
disinfectants, such as glutaraldehyde, are used as chemical sterilants and
should never be used on environmental surfaces. Intermediate-level
disinfectants are registered with the Environmental Protection Agency (EPA)
and have a tuberculocidal claim, and low-level disinfectant are EPA-registered
without a tuberculocidal claim (i.e., hepatitis B virus and HIV label claims).
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