Are there any interior dust cleanup confirmation sampling protocols that should be used in addition to the Toxic Substances Control Act (TSCA) wipe sampling protocols?
Both the concentration of lead in dust and the loading of accessible dust in a home will affect the current risks to a resident child. For a full picture of risk conditions in an individual home, both types of data would be recommended. It is important to note, however, that wipe samples that address only lead loading do not allow an understanding of whether lead that is present is in the form of a small amount of high lead concentration dust material or a larger amount of lower concentration material. As such, wipe samples do not provide as much information as appropriate vacuum samples from which both concentration and loading may be measured. Considerations for sampling conducted to judge the immediate effectiveness of a dust cleaning action will be different from considerations for sampling to develop information that can be used in risk assessment. Lead measurements taken immediately after a cleaning operation can reflect the effectiveness of that cleaning (in comparison with prio
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