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pvaldes on April 27, 2021 | parent | context | favorite | on: DDT dump site off L.A. coast much bigger than scie...

So they are still in detectable levels...

refurb on April 28, 2021 [–]

That means absolutely nothing.

Analytical chemistry has gotten so good we can detect many chemicals at levels of parts per trillion or better. Well below any biological effect.

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