Project 1730, also known as the "Cadmium Project" was an effort in the mid-1980s by the Philip Morris tobacco company to produce a tobacco plant with lower leaf cadmium levels. Cadmium, a heavy metal, is poisonous and has deleterious effects on the lungs.
- Philip Morris Project 1730 Annual/Completion Report July 1987. Bates No. 2000466583/6652
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