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  1. The decontamination process

  2. Planning


  3. Cleaning before disinfection

    • 3.1 Gross soiling
    • 3.2 Increasing water efficiency
      • 3.2.1    Water temperature
      • 3.2.2    Water hardness
      • 3.2.3    pH
      • 3.2.4    Turbidity

    • 3.3 Cleaning compounds
      • 3.3.1    Alkaline detergents
      • 3.3.2    Acidic cleaning compounds
      • 3.3.3    Surface wetting agents (surfactants)
      • 3.3.4    Sequestering (chelating) agents
      • 3.3.5    Other cleaning agents

    • 3.4 Economic effects
      • 3.4.1    Brushes and scrapers
      • 3.4.2    Boot cleaners
      • 3.4.3    Misters and low-pressure sprayers
      • 3.4.4    Pumps
      • 3.4.5    High-pressure water cleaners
      • 3.4.6    Net washers
      • 3.4.7    Foam projectile pipe cleaning systems

  4. Disinfection

    • 4.1 Nature of the target pathogen
      • 4.1.1    Viruses
      • 4.1.2    Bacteria
      • 4.1.3    Protozoal and protozoal-like parasites
      • 4.1.4    Fungi

    • 4.2 Choice of disinfecting agents
      • 4.2.1    Oxidising agents
      • 4.2.1    Oxidising agents
      • 4.2.1    Oxidising agents
      • 4.2.2    pH modifiers
      • 4.2.3    Aldehydes
      • 4.2.4    Biguanides
      • 4.2.5    Quaternary ammonium compounds
      • 4.2.6    Ultraviolet irradiation
      • 4.2.7    Ozone
      • 4.2.8    Heat
      • 4.2.9    Desiccation
      • 4.2.10  Biological disinfection

  5. General recommendations

  6. Recommendations for enterprise types

    • 6.1 Open systems
      • 6.1.1    General characteristics
      • 6.1.2    Common examples

    • 6.2 Semi-open systems
      • 6.2.1    General characteristics
      • 6.2.2    Common examples

    • 6.3 Semi-closed systems
      • 6.3.1    General characteristics
      • 6.3.2    Common examples

    • 6.4 Closed systems
      • 6.4.1    General characteristics
      • 6.4.2    Common examples

  7. Recommendations for specific disinfecting agents

    • 7.1 Hypochlorite solutions
      • 7.1.1    Advantages
      • 7.1.2    Disadvantages
      • 7.1.3    Availability
      • 7.1.4    Environmental and workplace safety considerations
      • 7.1.5    Applications

    • 7.2 Chloramine-T
      • 7.2.1    Advantages
      • 7.2.2    Disadvantages
      • 7.2.3    Environmental and workplace safety considerations
      • 7.2.4    Availability
      • 7.2.5    Applications

    • 7.3 Stabilised chlorine dioxide solutions
      • 7.3.1    Advantages
      • 7.3.2    Disadvantages
      • 7.3.3    Environmental and workplace safety considerations
      • 7.3.4    Availability
      • 7.3.5    Applications

    • 7.4 Iodophors
      • 7.4.1    General characteristics
      • 7.4.2    Advantages
      • 7.4.3    Disadvantages
      • 7.4.4    Environmental and workplace safety considerations
      • 7.4.5    Availability
      • 7.4.6    Applications

    • 7.5 Alkaline compounds
      • 7.5.1    General characteristics
      • 7.5.2    Advantages
      • 7.5.3    Disadvantages
      • 7.5.4    Environmental and workplace safety considerations
      • 7.5.5    Availability
      • 7.5.6    Applications: sodium hydroxide
      • 7.5.7    Applications: calcium oxide

    • 7.6 Peroxygen compounds
      • 7.6.1    General characteristics
      • 7.6.2    Advantages
      • 7.6.3    Disadvantages
      • 7.6.4    Environmental and workplace safety considerations
      • 7.6.5    Availability
      • 7.6.6    Applications

    • 7.7 Aldehydes
      • 7.7.1    General characteristics
      • 7.7.2    Advantages
      • 7.7.3    Disadvantages
      • 7.7.4    Environmental and workplace safety considerations
      • 7.7.5    Applications: glutaraldehyde
      • 7.7.6    Applications: formalin
      • 7.7.7    Applications: formaldehyde gas
      • 7.7.8    Procedure for use of gaseous formaldehyde
      • 7.7.9    Availability

    • 7.8 Calculation of concentration and quantities required
      • 7.8.1    Dose calculation
      • 7.8.2    Initial dose and residual levels
      • 7.8.3    Volume required
      • 7.8.4    Combining chemicals

    • 7.9 Use of thiosulfate to inactivate oxidising disinfectants

  8. Decontamination of site infrastructure
  9. Procedures for personnel
Last reviewed:
05 Nov 2009
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