Mexicans who have no Indian blood would still be classified as Hispanic, a race classification that is not genetically determined. Be careful though, lumping all Native Americans is one huge group is not being very respectful of them.
Lead wheel weights have been banned in the EU since July 2005, and Japan and Korea are phasing them out. Yet EPA has refused to enact a ban, instead relying on voluntary industry action.
The United States' Consumer Product Safety Commission (CPSC) banned lead paint in 1977 in residential properties and public buildings(16 Code of Federal Regulations 1303), along with toys and furniture containing lead paint.