04_AECOM_Environmental Report_Final

Air Quality Madeling Report 2.2 Source Data PH and PAH will be emitted from each of the 12 wood-fired smokers. The parameters for the wood-fired smoker stacks are described in Table 2-1. The emissions and exhaust parameters input to the dispersion modeling, derived from stack testing of one of the existing wood-fired smokers, are provided in Table 2-2. PAH emissions represent the maximum emission rate measured over three (3) separate stack test runs, based on recommendations in USEPA’s Human Health Risk Assessment Protocol (HHRAP) (USEPA, 2005). PM emission rates represent the average emissions over 3 separate stack test runs, based on USEPA requirements for criteria pollutant and hazardous air pollutant compliance testing'. Emission rates used in the model were based on stack test results as well as the future operation of the smokers, planned ta be 12 hours a day for 365 days per year. Table 2-1 Stack Parameters for Wood-Fired Smokers. Stack Stack Flow Rate Exit Velocity Stack Source ID Description Height Temperature (°F) {acfm) (m/sec) Diameter {m) Above Ground (ft) WFS1- Wood-Fired Smokers 19 131.7 639.36 1.84 0.46 WFS12 Table 2-2 Emissions Per Stack Particulate Matter Total PAH Emissions Short-Term™ Annual® Hourly Annual) Source ID Source Description {Ib/hr) {tons/yr) (lb/hr) {tons/yr) WFS1-WFS12 Wood-Fired Smokers 0.014 0.060 2.87E-04 6.28E-04 Noles: (4) For PM modeling, short-term is based on 24 hours consistent with the 24-hour Plz NAAQS. Since the smokers will only operate 12 hours a day, modeled emissions are based on an average testing ib/hr rate of 0.028 ib/hr and ratioed to account for operating Jess than 24 hours e day. (2) Annual emissions assume 12 hours a day operation for 365 days a year ~ 4,380 hours per year. * 40 CFR 60.3{f\1) [New Source Performance Standards] and 40 CFR 63,7(e)(3) [National Emission Standards for Hazardous Air Pollutants] AECOM 5