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Breaks, or repairs of any kind except that it needs a compression spring under the ignitor trip finger. This assembly is in excellent original condition with no cracks. These were the earliest versions of the Z lineup. Keywords: Chemical Mass Balance Source apportionment Woodstoves Biomass smoke, PM2.This is a very hard to find original ignitor trip and push rod for a 6hp Fairbanks Morse Z engine with the early ignitor and rotary magneto setup on it. Additional research is needed to confirm the woodsmoke results of the CMB model, as well as determine which sources (fuel oil residential heating, coal combustion, etc.) contribute to the measured secondary sulfate. Approximately 1% of the PM 2.55 was unexplained by the CMB model. The other sources of PM 2.5 identified by the CMB model were secondary sulfate (8–20%), ammonium nitrate (3–11%), diesel exhaust (not detected-10%), and automobiles (not detected-7%).
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The results of the CMB modeling revealed that wood smoke (likely residential wood combustion) was the major source of PM 2.5 throughout the winter months in Fairbanks, contributing between 60% and nearly 80% of the measured PM 2.5 at the four sites. In an effort to understand the sources of PM 2.5 in the Fairbanks airshed, source apportionment using Chemical Mass Balance (CMB) modeling was conducted at four locations in Fairbanks over a three-winter period (2008/2009, 2009/2010, and 2010/2011).Īt each of the four sites, PM 2.5 concentrations averaged between 22.5 ± 12.0 µg/m 3 and 26.5 ± 18.9 µg/m 3, with frequent exceedances of the 24-hour NAAQS on the scheduled sample days.
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Source Apportionment of PM2.5 in a Subarctic Airshed - Fairbanks, Alaska.įairbanks, Alaska has some of the highest measured ambient PM 2.5 concentrations in the United States, with wintertime levels often exceeding the 24-hour PM 2.5 National Ambient Air Quality Standard (NAAQS) of 35 µg/m 3. Ward, T., Trost, B., Conner, J., Flanagan, J.
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