UNHCR Guidelines on Selecting and Using Disinfectants (WHO - OMS, 1997, 45 p.): II

UNHCR Guidelines on Selecting and Using Disinfectants (WHO - OMS, 1997, 45 p.)

		(introduction...)
		I - Introduction
		II - Definitions
		III - Identification of needs
		IV - A limited list of suggested disinfectants
		V - Specifications for utilisation of selected products
		VI - Instructions for use of the main disinfectants
		VII - Technical specifications for implementing disinfection
		VIII - Appendices
		IX - Bibliography
		Endnotes

II - Definitions

As certain terms relating to disinfectants have variable or imprecise meanings, the following definitions will be adopted in this Handbook:

Disinfection: The elimination or destruction of a large part of the undesirable micro-organisms⁽¹⁾⁽¹⁾borne by a material or other object.
Thorough disinfection: The elimination or destruction of all micro-organisms except the most resistant i.e. bacterial spores.
Decontamination: Disinfecting of items soiled by infectious matter (pus, blood, excrement, etc.).
Disinfectant: A product for disinfection.
Antiseptics: A disinfectant that can be applied to living tissue (skin, wounds, mucosa) without causing harm.
Sterilisation: The elimination or destruction of all micro-organisms carried by any material or object.
Asepsis: Prevention of contamination by micro-organisms.