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Lead in Keyskeys

Lead is an important constituent in keys, providing the malleability necessary for their manufacturing and cutting. Major key manufacturers were sued by an environmental law firm that alleged non-compliance with Proposition 65 exposure requirements.  Cardno ChemRisk experts evaluated the potential dermal and hand-to mouth exposures associated with using keys, conducted a literature evaluation documenting the limited dermal uptake of lead, provided a summary of the state of knowledge regarding hand-to-mouth activities, developed studies to measure the transfer of lead from keys to hands and hands to mouth, and evaluated blood lead data for individuals working in facilities manufacturing keys.