| http://www.w3.org/ns/prov#value | - ATSDR uses lower comparison values when children at a site could be exposed to contaminants in aspecific media; residential areas and elementary schools are examples of sites where lowercomparison values may be used.Comparison values for ATSDR public health assessments are contaminant concentrations in specificmedia that are used to select contaminants for further evaluation.
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