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<br />Greystar ECR & Diller, Redwood City, CA - El Camino Real DPM, PM2.5 & TOG TACs <br />CAL3QHCR Risk Modeling Parameters and Maximum Concentrations <br />Receptor Information <br />Number of Receptors 139 <br />Receptor Heights = 6.0 meter (2nd Floor) <br />Receptor distances =7 meter grid spacing <br />Meteorological Conditions <br />BAAQMD San Carlos Arpt Hourly Met D 2001-2005 <br />Land Use Classification urban <br />Wind speed =variable <br />Wind direction =variable <br />MEI Maximum Concentrations - Receptor Height = 5.5 m <br />Gas Veh Gas Veh <br /> DPM Exhaust TOG Evaporative TOG <br />Concentration Concentration Concentration <br />Meteorological (µg/m3)(µg/m3)(µg/m3) <br />Data Year 2020 2020 2020 <br />2001 0.0026 0.1687 0.4882 <br />2002 0.0027 0.1737 0.5026 <br />2003 0.0027 0.1744 0.5045 <br />2004 0.0027 0.1794 0.5190 <br />2005 0.0027 0.1776 0.5137 <br />Average 0.0027 0.1748 0.5056 <br />Maximum 0.0027 0.1794 0.5190 <br />PM2.5 Concentrations <br />Maximum Maximum Maximum <br />Total PM2.5 Road Dust PM2.5 Vehicle PM2.5 <br />Concentration Concentration Concentration <br />Meteorological (µg/m3)(µg/m3)(µg/m3) <br />Data Year 2020 2020 2020 <br />2001 0.2872 0.1234 0.1638 <br />2002 0.2957 0.1270 0.1687 <br />2003 0.2968 0.1275 0.1693 <br />2004 0.3054 0.1312 0.1742 <br />2005 0.3022 0.1298 0.1724 <br />Average 0.297 0.128 0.170 <br />Maximum 0.305 0.131 0.174 <br />8.A. - Page 103