Although parents exult when their babies start eating solids, moms and dads may be dishing up for their little darlings unexpected and harmful ingredients in commercially prepared foods — heavy metals, including arsenic, cadmium, and lead at levels that may exceed federal limits.

A subcommittee of the House Committee on Oversight and Reform received lots of media attention when it publicly reported its findings on problems it says it sees with baby products from the likes of Gerber, Walmart, Campbell Soup, and Sprout organics.

Some of the makers, at the panel’s request, provided data on their products and testing for toxins, while others declined the disclosure of did not respond. As the Washington Post reported: