Mesothelioma News Dr. J. Don Brock of Astec Industries, Inc., Passes Away By Mesothelioma News March 11, 2015 March 11, 2015 Mesothelioma News Astec Industries, Inc. announced that Dr. J. Don Brock, Chairman and former CEO of Astec Industries, Inc. passed away earlier today at Memorial Hospital. He had been diagnosed with mesothelioma cancer in 2012. Appeal court to hand down decision on BHP damages payout for steelworker READ Act Would Require Comprehensive asbestos product data