Were they wearing masks while working? Lead is dangerous, but outdoors and masked, the risk is low. I kind of doubt that there’s even a big risk to your kids if

Were they wearing masks while working? Lead is dangerous, but outdoors and masked, the risk is low. I kind of doubt that there’s even a big risk to your kids if you’re in the next house over. The problem is fine particulates which don’t dissipate quickly in open air.