By Dennis Paustenbach, Ph.D., C.I.H., D.A.B.T. and David Brew, Ph.D.

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In June 2020, Mark Zellmer published a “Perspectives” paper in this journal titled “Chrysotile and the EPA: Part of a Continuing Saga.”¹ In response, Blouin, Kelly, and Wetmore published a rebuttal in the August 2020 issue titled “Dangerous Denial: Illogical Defense Bar Commentary Ignores Well-Established Science that Chrysotile Asbestos Kills.” ² This prompted Mark Zellmer to write another article in the October 2020 issue of this journal.³

The senior author of this piece has studied asbestos for the past 20+ years, focusing …