Their stack test: Annual Sourcewide Plant Site Emission Limits (PSEL) Carbon Monoxide (CO) 99 tons/yr Last Updated: 7/13/2010 6:00:00 PM Nitrogen Oxides (NOX) 39 tons/yr Last Updated: 7/13/2010 6:00:00 PM Volatile Organic Compounds (VOC) 39 tons/yr Last Updated: 7/13/2010 6:00:00 PM compare to JBII stack test: 3.16 ppm (parts per million) of carbon monoxide, 0.81 lb/hr (86.4 ppm) of NOx, SO2 and THC were below 1 ppm, particulates tested below 0.02 lb/hr.