Date ReceivedDate ReportedMaterialCARBON DIOXIDEApril 6, 2009April 10, 2009Mean Biomass CO2 Content*80%Submitter:Company:XYZ CompanyMr. SmithLaboratory NumberBeta-0001Submitter Label1
Summary of Results : Biogenic Determination using ASTM-D6866
* ASTM-D6866 cites precision on the Mean Biomass CO2 Content as +/- 3% (absolute). This is the most conservativeestimate of error in the measurement of complex biomass containing solids and liquids based on empirical results. Realprecision for readily combustible and homogenous materials (e.g. gasoline) and especially samples recieved as CO2 (e.g. fluegas or CEMS exhaust) can be as low as +/- 0.5-2%. The result only applies to the analyzed material. Fluctuations in carboncontent within a batch of product, gasoline or flue gas must be determined separately (e.g. averaged measurements of multiplesolids or liquids, and single measurement of the combination of gas aliquots collected over time). The accuracy of the resultas it applies to the analyzed product, fuel, or flue gas relies upon all the carbon in the analyzed material originating from eitherrecently respired atmospheric carbon dioxide (within the last decade) or fossil carbon (more than 50,000 years old). "Percentbiomass" specifically relates % renewable (or fossil) carbon to total carbon, not to total mass or molecular weight. MeanBiomass CO2 estimates greater than 100% are assigned a value of 100% for simplification.
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