The U-S-E-P-A is working on a new set of standards for lead content indust and soil in and around homes. Those standards will be mandatory forall federally-owned or assisted housing and voluntary for other homes.Lead is of concern for the E-P-A because studies have found that one outof every 20 children in the U-S suffer from elevated blood-lead levels.But in a September issue of the journal "Science", one physician iscriticizing the way federal authorities are developing those newstandards. The Great Lakes Radio Consortium’s Steve Hirschberg hasmore: