Hybrid Source Apportionment Model - Joint Fire Science Program
areas to natural conditions and require that fine particulate matter (PM2.5) be reduced ... particulate data and ending with the apportionment of smoke to fire types and ..... primarily to the combustion of coal, oil, and gas fuels, while contemporary ... marker species and their source profiles to estimate the smoke contribution.
[ 05-3-1-04_JFSP_FinalReport_ProjectID_05_3_1_04.pdf - Read/Download File
Who Made That Smoke? - Joint Fire Science Program
determining suitable times for burning and estimating the impact of ... Another aspect of these fires is their potential impact on local ... and fine particulate materials (PM), causing nonattainment ... contributions of emissions from various fire types to PM2.5, .... fuel types. Laboratory burns assisted in creating smoke profiles of.
[ 05-3-1-06_FSBrief123.pdf - Read/Download File
National database for calculating fuel available to wildfires
Feb 7, 2012 ... and their effects on climate. Currently, there are ... ity and fire managers use fine- scale data and models to estimate smoke pollution and schedule prescribed ... FCCS: Estimating the Contribution of Wildfires to ... depends on both the fuel type (e.g., conifer ... N. H. French (2010), Modeling particulate matter.
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A method for smoke marker measurements and its potential
of routinely apportioning contributions of smoke from biomass burning to OC. Smoke marker ... measurement methods have thus far limited routine estimates of these contributions ... method appears to provide fingerprint information about the type of fuel burned .... studies of biomass combustion contributions to fine particles.
[ rmrs_2008_sullivan_a001.pdf - Read/Download File
Evaluating the Contribution of PM2.5 Precursor Gases and Re
Estimates of Re-entrained dust contributions based on Emission Rates . ..... cooling after release into the atmosphere (these types of particles are also known ... would not add confusion to the already fine line that differentiates particulate ... and its load and speed conditions as well as fuel sulfur content. ..... of white smoke.
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Fine Particulate Matter Emissions Inventories: Comparisons of
Emissions inventories of fine particulate matter (PM2.5) were compared ... the accuracy of emission estimates for stationary sources. Overall, the ... 2.5 m in aerodynamic diameter [PM2.5]) and one of its .... age, fuel type and sulfur content, vehicle mileage, vehicle ...... wood smoke contributions was made for the Northeastern.
[ 1047-32184.108.40.2060 - Read/Download File
ESTIMaTING FUEL CONSUMPTION DURING PRESCRIBED FIRES
communities, fine particles produced in smoke can impair human health and reduce visibility in ... Brown's transects in fifteen burn units and three community types on the. Ouachita ... fuels derived from Brown's transects with estimates derived from sampling ... restores fire-dependent communities and their suite of pyrophilic ...
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Airborne characterization of smoke marker ratios from prescribed
May 1, 2014 ... is more dependent on the type of fuel being burned. Lev- ... used to estimate the contribution of primary biomass burn- ... tire fire (e.g., Hays et al., 2002; Fine et al., 2004; Lee et al.,. 2005 ... surements, a PILS-TOC (Particle-Into-Liquid Sampler – To- ..... fires at their estimated time of emission (see Akagi et al.,.
[ acp-14-10535-2014.pdf - Read/Download File
WHO IAQ guidelines: household fuel combustion – Review 5
How do selected household level determinants such as type of fuel or location ... 24-hr personal exposures in solid fuel using households are estimated to be 267 .... Exposure/Environmental Exposure/ Particulate Matter/ PM/ Particles/ CO/ Carbon .... to directly influence household concentrations with additional contributions ...
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Contribution of Woodsmoke and Motor Vehicle Emissions to
Contribution of Woodsmoke and Motor Vehicle Emissions to Ambient Aerosol ... ( a measure of potential carcinogenicity) of fine-particle ambient aerosol ... to potency estimates, the source-oriented approach also .... further emphasizing their different origins in the fine ... varies greatly with fuel type and burn conditions . This.
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Air pollution combustion emissions - Energy Justice Network
Combustion emissions account for over half of the fine particle (PM2.5) air ... (e.g. , cooking, heating, and tobacco smoke), as well as secondary organic ... Petroleum combustion: diesel, fuel oil, gasoline and related sources. ... Atmospheric transformation and source apportionment: estimating the contribution of sources and.
[ Lewtas_07.pdf - Read/Download File
Full Report - Alaska Department of Environmental Conservation
Aug 10, 2012 ... The contribution of wood smoke to ambient PM2.5 varies ... emissions from coal combustion at shares that result in estimated coal contributions to ambient PM2.5 .... Wood smoke particulate obtained from OMNI Scientific was also ... ±0.40. Filter . ID. Burner Type. Fuel. Type. Burn. Rate. Levoglucosan.
[ Palmer_Organics_finalreport.pdf - Read/Download File
Particulate and Gaseous Emissions from Wood-Burning Fireplaces
fine particulate. Introduction ... Less attention has been paid to fireplaces since their use ... gas and particle mass emission rates as well as the size and ... burn and to allow a comparison between wood types. ..... contribution of wood smoke to ambient particle loadings .... here, it is possible to estimate the contribution of fine-.
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Source Emission Characterization of Residential Wood-Burning
Fireplaces: Fine Particle/Methyl Chloride Ratios for Use in Chemical Mass. Balance ... chloride ratios for various types of wood and burn con- ... to estimate the wood-burning contribution to fine partic- ... in woodsmoke for application in the chemical mass balance ... Carbon dioxide measurements in the flue gas and in the.
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Aerosol - University of Colorado Boulder
Aug 27, 2010 ... tions of primary smoke particles from flaming and smoldering phases of domestic wood ... fuel types were combusted in an “open burning” configuration. .... estimating contributions of biomass burning primary emissions ... Speciation of Gas-Phase and Fine Particle Emissions from Burning of Foliar. Fuels.
[ 2010_AST_Lee_BB_Markers.pdf - Read/Download File
Chemical Smoke Marker Emissions During Flaming and Smoldering
tions of primary smoke particles from flaming and smoldering phases of domestic wood burning ... fuel types were combusted in an “open burning” configuration.
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Smoke Management Guidelines - Arkansas Forestry Commission
its. In 1997, the Environmental Protection Agency (EPA) reported that fine particles (2.5 ... An estimated 70 percent of the particulate matter emissions in smoke are fine ... fuel type and total available fuel loading to be consumed (see Smoke ..... The Arkansas Prescribed Fire Committee made a significant contribution toward ...
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27783 - PubAg - US Department of Agriculture
Emission factors of levoglucosan were a strong function of fuel type, ... more accurate estimates of contributions from biomass combustion to ambient particle concentrations. ... tracer for fine particle emissions from biomass ... Detection of levoglucosan and its isomers in ... determination of anhydrosugars in smoke aerosol.
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Using PM2.5 concentrations to estimate the health burden from solid
Jun 19, 2013 ... particulate air pollution in domestic settings in Ireland and Scotland. Methods: The study .... environments which allow for human exposure, to their .... non- smoking homes using various kinds of solid fuel for ... The results suggested that the contribution to indoor. PM2.5 ..... fine particulate aerosol. For the ...
[ 1476-069X-12-50.pdf - Read/Download File
Black Smoke in China and Its Climate Effects - MIT Press Journals
Jul 10, 2002 ... The emission of fine carbonaceous particles in China is a serious threat to .... This fraction is very sensitive to fuel type and combustion conditions, neces- ... Estimates of BC emissions in China by source type are summarized in table 2. ... Contributions from various countries to global CO2 and BC emissions.
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