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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 90 <br />Receptor Heights = 1.5 meter (1st Floor) <br />Receptor distances =7 meter (23 feet) 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 = 5.2 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 />Meteorological Data Year 2020 2020 2020 <br />2001 0.0016 0.1066 0.3085 <br />2002 0.0017 0.1123 0.3249 <br />2003 0.0017 0.1117 0.3231 <br />2004 0.0018 0.1145 0.3312 <br />2005 0.0017 0.1121 0.3245 <br />Average 0.0017 0.1114 0.3224 <br />Maximum 0.0018 0.1145 0.3312 <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 />Meteorological Data Year 2020 2020 2020 <br />2001 0.1815 0.0780 0.1035 <br />2002 0.1911 0.0821 0.1090 <br />2003 0.1901 0.0817 0.1084 <br />2004 0.1948 0.0837 0.1111 <br />2005 0.1909 0.0820 0.1089 <br />Average 0.190 0.081 0.108 <br />Maximum 0.195 0.084 0.111 <br />8.A. - Page 101