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Prop 7.A. - Page 171 dwood City GDF Expansion Air�ua��y��a«��a��y�,�,��alysis Appendix A: Construction Emission Calculations Table A-2. Construction Emissions-Fugitive Dust Sources. Construction Fugitive Dust Duration Emissions(Pounds per Day) Phase/Task Resources Activity Quantity (Days) Fugitive PM�o Fugitive PM2.5 Phase 1: Demolition/Site Preparation. Concrete/Industrial Saws -- -- 2 -- -- a.Temporary Fencing, Rubber Tired Loaders Material Handling 200 tons 2 0.01 0.00 Asphalt Removal 10-ton Dump Trucks(20 loads) -- -- 2 -- -- Labor -- -- 2 -- -- Task Subtotal: 0.01 0.00 Rubber Tired Loaders Material Handling 200 tons 3 0.01 0.00 b.Sub-grade Earthwork Tractors/Loaders/Backhoes Grading 0.71 miles 3 0.37 0.04 10-ton Dump Trucks(20 loads) -- -- 3 -- -- Labor -- -- 3 -- -- Task Subtotal: 0.37 0.04 c.Relocate Storm Drain Tractors/Loaders/Backhoes Bulldozing 16 hours 3 4.01 2.21 Labor -- -- 3 -- -- Task Subtotal: 4.01 2.21 d.Initial Concrete Work- Tractors/Loaders/Backhoes Bulldozing 16 hours 5 2.41 1.32 Retaining Wall, Footings, Concrete Trucks(4 loads) -- -- 5 -- -- Curbs Labor -- -- 5 -- -- Task Subtotal: 2.41 1.32 Phase 2: Fuel S stem,Pavin ,Cano a.Fuel System Labor -- -- 10 -- -- Rubber Tired Loaders Material Handling 400 tons 3 0.01 0.00 b.Paving: Prepare Base Base Delivery Trucks(40 loads) -- -- 3 -- -- Labor -- -- 3 -- -- Task Subtotal: 0.01 0.00 c.Paving: Concrete Apron Concrete Trucks(9 loads) -- -- 2 -- -- Labor -- -- 2 -- -- Task Subtotal: -- -- Pavers -- -- 2 -- -- d.Paving: Asphalt SurFaces Rollers -- -- 2 -- -- Labor -- -- 2 -- -- Task Subtotal: -- -- e.Canopy Installation and Forklifts -- -- 15 -- -- Finishes Generator Sets -- -- 15 -- -- Labor -- -- 15 -- -- Task Subtotal: -- -- f.Landscaping/Striping Air Compressors -- -- 5 -- -- Labor -- -- 5 -- -- Task Subtotal: -- -- Summary: Maximum Phase Daily Emissions(pounds/day) 4.01 2.21 Total Emissions(pounds) 25.26 13.37 Daily Average Emissions(pounds/day) 0.72 0.38 Emission factor for material handling(truck loading/unloading): Variable Reference Symbol Value Unit � �13 PM�o particle size multiplier EPA AP-42 Table 13.2.4-1 k 0.35 -- U PM2.5 particle size multiplier EPA AP-42 Table 13.2.4-1 k 0.053 -- Ef=kx0.0032x 5 Mean wind speed CaIEEMod 2011.1.1 default U 4.92 miles/hr rM '4 Moisture content(cover) EPA AP-42 Table 13.2.4-1 M 12 % I 2 J Material Handling PM�o: 8.93E-05 Ib/ton � PM2.5: 1.35E-05 Ib/to n Source: U.S.Environmental Protection Agency, Compilation ofAir Pollutant Emission Factors (AP-42),Section 13.2.4 Aggregate Handling And Storage Piles, Equation 1. Conversion factors to convert CaIEEMod wind speed of 2.2 m/s to mph: 1,609.3 meters/mile 60 seconds/minute 60 minutes/hour Page 3 Date: 7/30/2012