What in the world are you taking about???
"no safe level of exposure" is facially absurd. One atom of lead (or any element) is going to poison you? Come on. There might not be a practical way to keep exposure to a substance low enough to be safe but that sort…
What in the world are you taking about???
"no safe level of exposure" is facially absurd. One atom of lead (or any element) is going to poison you? Come on. There might not be a practical way to keep exposure to a substance low enough to be safe but that sort…