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The chapter also discusses emerging issues, such as potential conflicts among strategies for green building design, water and energy conservation, and more prospective Legionella control strategies.Īs detailed in the following sections, factors known to influence Legionella growth in water systems include temperature, disinfectant type and levels, hydraulic conditions (particularly avoiding stagnation), presence of nutrients, pipe materials, presence of distal devices, and extent of aerosol formation. Table 4-1 summarizes which specific controls are applicable to which building water systems and devices. ![]() The real-world application of these strategies for Legionella control in building water systems and devices is then described. A summary of the key strategies for controlling Legionella by affecting their growth and survival (or that of their free-living amoebae hosts) is presented first. Such controls should ideally begin as early as the design and commissioning phases and subsequently be applied routinely as preventative measures and, when necessary, for remedial purposes, i.e., in response to outbreak or flags raised by monitoring data. This chapter focuses on strategies for Legionella control in building water systems.
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