“…The emissions from coal fires contain a broad series of C1 to C10 hydrocarbons, benzene-toluene-ethylene-xylene (BTEX) gases, polyaromatic hydrocarbons, and inorganic species (Hower et al, 2009(Hower et al, , 2013O'Keefe et al, 2011;Silva et al, 2011aSilva et al, , 2012 along with CO, CO 2 , and Hg (Carras et al, 2009;Hower et al, 2009Hower et al, , 2011Hower et al, , 2012Hower et al, , 2013Ide and Orr, 2011;Krevor et al, 2011;O'Keefe et al, 2010O'Keefe et al, , 2011Querol et al, 2011;van Dijk et al, 2011;Zhao et al, 2008). We have observed breathing cycles in several Kentucky fires, including the Laura Campbell fire (Perry County, KY; 2007 observations by Hower and others not yet documented in a published paper), the Ruth Mullins fire (documentation from both CO and T; Hower et al, 2011), the Lotts Creek fire (T data; Hower et al, 2012); and the Truman Shepherd fire (T data; Hower et al, 2013).…”