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November 1, 2025
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sep 1, 1965 - Clair Patterson publishes “Contaminated and Natural Lead Environments of Man”
Description:
Elevated human blood‑lead levels were far above natural background, implicating petrol as a dominant source.
Added to timeline:
Environmental exposures and global heatlh
By
Greg Martin
7 hours ago
0
0
20
Date:
sep 1, 1965
Now
~ 60 years ago
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