Module 10 – Management Strategies for Moulds and Microbiologic Agents

The tenth module of the CCIAQB’s Guide for Indoor Air Quality provides building owners and managers with information on causes, effects and correction of indoor air quality (IAQ) issues from moulds and other common microbiological agents.

The module starts with a description of what mould is and how it grows, as well as the harm it can do to buildings and occupants. Strategies are given for avoiding mould growth, using sound design and construction practices and preventative building operation, maintenance and cleaning. Particular attention is given to heating, ventilation and air conditioning equipment.

It is important to quickly recognize mould growth that does occur, and detailed steps are given for planning and carrying out inspections. This includes considerations for staff qualification, and for effectively working with the building’s occupants.

Methods are listed for the process of removing mould, including advice on the choice of equipment, and mechanical and chemical cleaners. A systematic classification is given to help decide on what work is needed, based on how much mould there is, and the size of the affected areas. There is a discussion of worker safety, and consideration of what to do with affected materials and the mould itself after treatment and removal.
Finally, in tandem with the earlier prevention section, ways are listed to avoid mould growth returning after it has been removed. The module’s advice is made practical by providing detailed checklists for each aspect of mould management.

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