It should also be mentioned that considerations for good IAQ are not limited toconstruction. Many furnishings are made of particleboard products or have lacqueredfinishes that have high levels of emissions, sometimes for lengthy periods (Hegger et al.2006). While furniture selection is usually beyond the responsibility of either the architect or the builder, it might be useful to include suggestions in an owner manual, alongwith recommendations for cleaning products and maintenance of ventilating equipment.The most harmful indoor contaminants emitted from building materials can usuallybe traced back to a few chemical components. Most harmful emissions originate fromadhesives, products that require polymerization or foam expansion, vinyl products, particularly those with plasticizers, and maintenance products such as waxes and cleaningagents. These materials are listed in figure 9.5.
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