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5.1 AIR QUALITY <br /> 18 hours of base load turbine operation and 12 hours of duct firing for NO,,, CO, and VOC. <br /> These assumptions are used as the basis for the calculations and are not intended to be <br /> proposed as limits. <br /> Detailed calculations, including quarterly emissions calculations, are shown in <br /> Appendix 5.1A,Table 5.1A-6. <br /> TABLE 5.1-21 <br /> Criteria Pollutant Emissions from New Equipment <br /> Emissions/Equipment NO. SO2 CO VOC PM10 <br /> Maximum Hourly Emissions' <br /> CTG/HRSG 160 6.0 900 16 11.0 <br /> Auxiliary Boiler 0.55 0.19 2.37 0.27 0.47 <br /> Cooling Tower - - - - 0.45 <br /> Total, pounds per hour 160.5 6.2 902.4 16.3 11.9 <br /> Maximum Daily Emissions" <br /> CTG/HRSG 864.9 136.4 5,641.9 179.8 240.0 <br /> Auxiliary Boiler 6.5 2.2 28.5 3.3 11.3 <br /> Cooling Tower - - - - 5.6 <br /> Total, pounds per day 871.4 138.6 5,670.4 183.1 256.4 <br /> Maximum Annual Emissions <br /> CTG/HRSG 71.3 24.3 254.4 17.4 41.9 <br /> Auxiliary Boiler 0.13 0.04 0.6 0.1 0.1 <br /> Cooling Tower - - - - 2.0 <br /> Total,tons per year 71.5 24.3 254.9 17.5 44.0 <br /> 'Maximum hourly emissions include CTG in startup(for NOX, CO and VOC),with auxiliary boiler and cooling <br /> tower in operation. Maximum hourly SO2 and PM10 emissions from the CTG assume duct fired operation. <br /> bMaximum daily emissions based on full-load turbine operation for 24 hours with 12 hours of duct firing for PM,o <br /> and SOX; and 6 hours of cold start, 18 hours of base load turbine operation and 12 hours of duct firing for NOX, <br /> CO, and VOC. <br /> 5.1.3.5 Greenhouse Gas Emissions <br /> Greenhouse gas (GHG) emissions from the project have been calculated using calculation <br /> methods and emission factors from the California Air Resources Board's December 5, 2007, <br /> regulatory update.6 Calculations are based on the maximum proposed annual fuel use and <br /> corresponding generation. The calculations are shown in detail in Table 5.1A-7, <br /> Appendix 5.1A and the results are summarized in Table 5.1-22. <br /> 6 California Air Resources Board,"Regulation for the Mandatory Reporting of Greenhouse Gas Emissions,"December 5,2007 <br /> (Staffs Suggested Modifications to the Originally Proposed Regulation Order Released October 19,2007). <br /> http://www.arb.ca.gov/cc/ccei/reporting/GHG ReportRegU pdate 12_05_07.pdf. <br /> SAC/371322/082410013(LEC_5.1_AIR_QUALITY.DOC) 5.1-27 <br />