They have been after lead for the last 50 years. Always trying to find a way to ban lead in anything but their actual target is bullets by any means.
With the elimination of lead in paint, lead in solder, and leaded gasoline, the lead levels in our environment area fraction of what they used to be.
The issue with children and lead mostly came from kid chewing on items that had lead paint. Not just casual encounters with it in tiny amounts.