On October 29th, the Consumer Product Safety Commission—lead agency in a governmental task force investigating the problem—arranged a media conference call to discuss the results of their report released on that date entitled "Initial Chinese Drywall Studies." Many observers were hoping for more definitive findings, but some generic points did come out.
Although temporary health effects were acknowledged, air sampling results did not indicate any substances at levels which would be associated with these symptoms. Yet, the symptoms reported were recognized as being in line with what is normally found in cases of residential indoor air contamination. Certain exposure scenarios were identified that could explain some of the temporary symptoms of upper airway and eye irritation. It was also mentioned that mixtures of chemicals in these homes could cause additive or synergistic effects, but there is not a standard way to evaluate these potential effects.
In fact, fully understanding the effects of low-level environmental contaminants (at a given locale) on human health is extremely difficult, because
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Although temporary health effects were acknowledged, air sampling results did not indicate any substances at levels which would be associated with these symptoms. Yet, the symptoms reported were recognized as being in line with what is normally found in cases of residential indoor air contamination. Certain exposure scenarios were identified that could explain some of the temporary symptoms of upper airway and eye irritation. It was also mentioned that mixtures of chemicals in these homes could cause additive or synergistic effects, but there is not a standard way to evaluate these potential effects.
In fact, fully understanding the effects of low-level environmental contaminants (at a given locale) on human health is extremely difficult, because">
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