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WOODSTOVE EMISSION SAMPLING METHODS COMPARABILITY ANALYSIS AND IN-SITU EVALUATION OF NEW TECHNOLOGY WOODSTOVES
Citation:
Simons, C., P. Christiansen, J. Houck, AND L. Pritchett. WOODSTOVE EMISSION SAMPLING METHODS COMPARABILITY ANALYSIS AND IN-SITU EVALUATION OF NEW TECHNOLOGY WOODSTOVES. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/7-89/002 (NTIS DE89 001551/L), 1989.
Impact/Purpose:
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Description:
This report compares simultaneous results from three woodstove sampling methods and evaluates particulate emission rates of conventional and Oregon-certified catalytic and noncatalytic woodstoves in six Portland, OR, houses. EPA Methods 5G and 5H and the field emission sampler (Automated Woodstove Emission Sampler--AWES) were compared in the laboratory under simulated field conditions. The first comparability test used a conventional woodstove on a Portland burn cycle. The second and third tests used a certified catalytic woodstove on Portland and northeastern U.S. burn cycles, respectively. EPA Method 5G and the AWES were also compared on a catalytic stove in one house. Field sampling was conducted on conventional and Oregon-certified low emission noncatalytic and catalytic woodstoves in two houses each. Results showed that the AWES system was within an absolute difference range of 0.7 - 2.5 g/hr of Methods 5G and 5H. Field tests showed that certified stoves can achieve significant reductions in particulate emissions. All of the field data exceeded certification emission rates by at least 25%. Several components of one catalytic woodstove failed (bypass damper gasket missing and damper not closing, plugged catalyst, leaky ash cleanout door), resulting in emissions more than twice the 20 g/hr conventional woodstove average.