sentences:  Under Bodman’s leadership from 1987 to 2000, according to Jason Leopold, Cabot was one of the U.S.’s largest polluters, accounting for 60,000 tons of airborne toxic emissions annually.Cabot reduced its Environmental Non-Conformance events (ENCs), from a high of over 80 incidences in 2008, to 17 in FY 2012.The company defines an environmental non-conformance event as a reportable spill or release, a Notice of Violation, a public complaint or certain permit deviations.