Quantifying Aircraft Lead Emissions at Airports (2015) / Chapter Skim
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Table 56 RVS Pb Emissions – Grams per Piston Operation ...........................................121 Table 57 RVS Pb Emissions – Percent by Mode .............................................................122 Table 58 RVS Pb Emissions – CY2011 Operations (Tons) ............................................122 Table 59 APA Pb Emissions – Grams per Piston Operation ...........................................123 Table 60 APA Pb Emissions – Percent by Mode ............................................................124 Table 61 APA Pb Emissions – CY2011 Operations (Tons)
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Given the objective of reviewing and improving methods for quantifying aircraft-related lead emissions, the study involved the following five major phases: 1. A review of existing methodologies for quantifying aircraft-related Pb emissions; 2.
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• Expansion of the number of aircraft and engine types considered; • Use of brake specific fuel consumption and engine load data by mode to estimate fuel consumption instead of volumetric fuel flow rates; • Use of the Federal Aviation Administration's (FAA's) Traffic Flow Management System Counts (TFMSC)
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Table 1 Estimated Calendar Year 2008 Pb Emissions (tons per year) APA RVS SMO 1 SMO 2 Existing Methodologies 0.73 1.17 0.33 0.13 Refined Methodology 1.95 0.69 0.43 0.16 Note: The two results for Santa Monica Airport reflect differing assumptions regarding operational modes.
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Figure 1 Modeled versus Measured PM2.5-PbAt the RVS North Site Figure 2 Modeled versus Measured PM2.5-Pb at the APA Central Site -10 0 10 20 30 40 50 60 -10 0 10 20 30 40 50 60 M od el ed P b, n g/ m 3 Measured, Background-Corrected Pb, ng/m3 1 : 1 Line 0 10 20 30 40 50 60 0 10 20 30 40 50 60 M od el ed P b, n g/ m 3 Measured, Background-Corrected Pb, ng/m3 1 : 1 Line -5-
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Figure 3 Modeled versus Measured PM2.5-Pb Concentrations at the SMO Northeast Site ### -10 0 10 20 30 40 50 60 70 -10 0 10 20 30 40 50 60 70 M od el ed P b, n g/ m 3 Measured, Background-Corrected Pb, ng/m3 1 : 1 Line -6-
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