On 9/19/2015 3:15 PM, Tekkie® wrote:

Then the lead issue. I don't know if lead in gas was harmful or not but that
train has left the station.

Wow, you are remarkably uninformed, if not downright stupid.

Educate yourself, if possible, by reading about Clair Patterson,
a scientist who was attempting to establish the true age of the
Earth and serendipitously, by the failure of his early attempts
to create a clean room, discovered the grave neurotoxin
danger poisoning us all.