In many cases, the ultimate risk to residents from environmental lead comes from multiple sources. While lead based paint is a key source, lead migrating from outdoor areas can be as toxic as the indoor paint sources. Dr Troast uses the Integrated Exposure Uptake and Biokinetic Model IEUBK Model) as a predictive tool for assessing residences.
The plaintiff was concerned that the residues of toxic metals found in coal ash were causing physical damage to the plaintiff's unborn children and to the plaintiff's ability to have normal children. The plaintiff reported prior attempts to conceive a full-term child were unsuccessful.