[lokar]

Right, because the "bad" chemical will be in CA, harming CA residents.

CA can't say "the factory that made these chips emitted chemical X into the air during manufacturing, but none of it is in the final product", so you can't import it.

The Federal Government can, but not an individual state.

[5upplied_demand]

Thanks for clarifying. I believe I misunderstood your initial comment.