combustion temperature exceeds 3 000 u00b0 f for all solid fuels and 4 000 u00b0 f using tires to ensure that the combustion process is complete and no carbon monoxide remains a small amount of excess air is added to the final stage of combustion this results in low concentrations of carbon monoxide and low concentrations of nitrogen oxides a feat unable to be accomplished by any other combustor without an afterburner or a catalytic converter volatile hydrocarbons or volatile organic carbons voc are a class of compounds that are regulated by the environmental protection agency these compounds include a wide range of chemicals that can be emitted into the atmosphere included in this list are compounds like dioxins polychlorinated biphenyls pcbs polynuclear aromatics pnas and other hazardous air pollutants haps these compounds are created as the result of incomplete combustion in the combustor of this invention the formation of these compounds are kept to an extremely low level in many cases unmeasurable due to the extreme temperatures present in the combustion process it is highly unlikely that the environmental protection agency or any other environmental regulatory agency will pass in the foreseeable future regulations governing the release of volatile hydrocarbons that the present combustor will be unable to meet regulations in all states and in most countries require a facility to demonstrate that they are complying with the applicable air emission standards to demonstrate compliance a facility must usually install a system that continuously monitors the quality of the gas being released into the atmosphere the system is called a continuous emission monitoring system cems the.