Pugh was originally charged in a 37-count indictment that alleged he lied on safety examination forms at Carter Roag Coal Co.'s Pleasant Hill Mine in Randolph County.
Pugh pleaded guilty to one count, but also stipulated that he lied about having a foreman's certification when he performed 387 mine safety examinations between June 2007 and April 2009.
Ferrell and Pugh each face potential sentences of five years in prison and a $10,000 fine, according to a news release from U.S. Attorney William J. Ihlenfeld II.
Hasen was originally charged in a five-count indictment that alleged he performed "numerous" mine safety checks, signing that he had a foreman's certification when he did not.
Hasen pleaded guilty to one criminal count and admitted that he used another workers' foreman's certification number when signing reports concerning two dozen mine safety examinations.
Court records indicate Hasen faces a potential sentence of five years in prison and a fine of up to $250,000.
In the Massey cases, the state Office of Miners' Health, Safety and Training has suspended the licenses of former Massey workers Thomas Harrah, Craig Belcher and Scott Jeffrey for allegedly using forged foreman's certifications.
Harrah admitted that he performed at least 228 pre-shift, on-shift and conveyor belt examinations at Upper Big Branch over a nearly two-year period from January 2008 to August 2009.
Reach Ken Ward Jr. at kw...@wvgazette.com or 304-348-1702.