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A4. Stationary Source (Cooling and Heating)
<br />Emissions of nitrous oxide from cooling and heating are calculated using the following equation:
<br />-1
<br />Y = (U)*(E)*(C)
<br />AA
<br />Y = annual emissions of nitrous oxide from cooling and heating, tons/yr.
<br />A
<br />U = annual natural gas usage, MMBTUs/yr.
<br />A
<br />E = emission factor for natural gas usage, 0.0001 kg/MMBTU (California Climate Action Registry General Reporting Protocol, Version 2.2, Part III,
<br />Chapter 8, 2007).
<br />C = conversion factor from kg to tons, 907.18 kg/ton.
<br />UnitA **UnitE, kg/MWhC, kg/ton
<br />Unit TypeR *U, MMBTUs/yrY, tons/yr
<br />AAA
<br />SF Residential83.97900MMBTUs/unit/y335.00household28,132.970.0001907.180.00
<br />MF Residentialhousehold
<br />50.54490MMBTUs/unit/y3,740.00189,037.930.0001907.180.02
<br />sq ft
<br />Food Store0.03654MMBTUs/unit/y0.000.000.0001907.180.00
<br />Restaurant0.00000MMBTUs/unit/y0.00sq ft0.000.0001907.180.00
<br />Hospitalssq ft
<br />0.00000MMBTUs/unit/y0.000.000.0001907.180.00
<br />sq ft
<br />Retail0.03654MMBTUs/unit/y387,000.0014,140.980.0001907.180.00
<br />Commercial0.03654MMBTUs/unit/y0.00sq ft0.000.0001907.180.00
<br />College/Universitysq ft
<br />0.06048MMBTUs/unit/y0.000.000.0001907.180.00
<br />High schoolsq ft
<br />0.06048MMBTUs/unit/y0.000.000.0001907.180.00
<br />sq ft
<br />Elementary School0.06048MMBTUs/unit/y0.000.000.0001907.180.00
<br />Office0.02520MMBTUs/unit/y0.00sq ft0.000.0001907.180.00
<br />Hotel/Motel0.06048MMBTUs/unit/y0.00room0.000.0001907.180.00
<br />Warehouse0.00000MMBTUs/unit/y0.00sq ft0.000.0001907.180.00
<br />Miscellaneous0.00000MMBTUs/sqft/y0.00sq ft0.000.0001907.180.00
<br />Total, tons/yr0.025498
<br />* R = annual consumption rate (CEQA Handbook, Table A9-12-A).
<br />A
<br />** A = unit type number.
<br />B. Indirect Sources
<br />B1. Electricity
<br />Emissions of nitrous oxide from electricity usage are calculated using the following equation:
<br />-1
<br />Y = (U)*(E)*(C)
<br />AA
<br />Y = annual emissions of nitrous oxide from electricity usage, tons/yr.
<br />A
<br />U = annual electricity usage, MWh/yr.
<br />A
<br />E = emission factor for electricity usage, 0.0037 lbs/MWh (California Climate Action Registry General Reporting Protocol, Version 2.2, Part III,
<br />Chapter 6, 2007).
<br />C = conversion factor from lbs to tons, 2,000 lbs/ton.0.0037
<br />land use unit
<br />UnitA **typeE, lbs/MWhC, lbs/ton
<br />Unit TypeR *U, MWh/yrY, tons/yr
<br />AAA
<br />Residential5.6265MWh/unit/yr4,075units22,927.990.00372,0000.04
<br />Food Store0.0410MWh/sqft/yr0sqft0.000.00372,0000.00
<br />Restaurant
<br />0.0402MWh/sqft/yr0sqft0.000.00372,0000.00
<br />Hospitals0.0196MWh/sqft/yr0sqft0.000.00372,0000.00
<br />Retail0.0141MWh/sqft/yr387,000sqft5,456.700.00372,0000.01
<br />College/University
<br />0.0124MWh/sqft/yr0sqft0.000.00372,0000.00
<br />High school0.0075MWh/sqft/yr0sqft0.000.00372,0000.00
<br />Elementary School0.0075MWh/sqft/yr0sqft0.000.00372,0000.00
<br />Office
<br />0.0131MWh/sqft/yr0sqft0.000.00372,0000.00
<br />Hotel/Motel0.0177MWh/sqft/yr0sqft0.000.00372,0000.00
<br />Warehouse0.0121MWh/sqft/yr0sqft0.000.00372,0000.00
<br />Miscellaneous0.0200MWh/sqft/yr0sqft0.000.00372,0000.00
<br />Total, tons/yr0.05
<br />* R = annual consumption rate (CEQA Handbook, Table A9-11-A).
<br />A
<br />** A = unit type number.
<br />Page 11 of 13
<br />B2. Potable Water
<br />Emissions of nitrous oxide from potable water treatment and transportation for domestic use are calculated using the following equation:
<br />-1
<br />Y = (U)*(E)*(C)
<br />AA
<br />Y = annual emissions of nitrous oxide from electricity used for potable water treatment and transportation, tons/yr.
<br />A
<br />U = annual electricity usage for potable water treatment and transportation, MWh/yr.
<br />A
<br />E = emission factor for electricity usage, 0.0037 lbs/MWh (California Climate Action Registry General Reporting Protocol, Version 2.2, Part III,
<br />Chapter 6, 2007).
<br />C = conversion factor from lbs to tons, 2,000 lbs/ton.0.0037
<br />V, MG/yr/
<br />unit typeunit numberunit ****MWh/MGUA, MWH/yrE, lbs/MWhC, lbs/ton
<br />Unit TypeY, tons/yr
<br />A
<br />Residentialhousehold335.008.5590E+010.01020292.460.00372,0005.40E-04
<br />Residential
<br />household3740.009.5557E+020.0102036,453.080.00372,0006.74E-02
<br />Food Storesq ft0.000.0000E+000.010200.000.00372,0000.00E+00
<br />Restaurantsq ft0.000.0000E+000.010200.000.00372,0000.00E+00
<br />Hospitals
<br />sq ft0.000.0000E+000.010200.000.00372,0000.00E+00
<br />Retailsq ft387000.009.6190E+010.01020379,700.410.00372,0007.02E-01
<br />Commercialsq ft0.000.0000E+000.010200.000.00372,0000.00E+00
<br />College/University
<br />sq ft0.000.0000E+000.010200.000.00372,0000.00E+00
<br />High schoolsq ft0.000.0000E+000.010200.000.00372,0000.00E+00
<br />Elementary Schoolsq ft0.000.0000E+000.010200.000.00372,0000.00E+00
<br />Officesq ft0.000.0000E+000.010200.000.00372,0000.00E+00
<br />Hotel/Motelsq ft0.000.0000E+000.010200.000.00372,0000.00E+00
<br />Warehousesq ft0.000.0000E+000.010200.000.00372,0000.00E+00
<br />Miscellaneoussq ft680000.000.0000E+000.010200.000.00372,0000.00E+00
<br />Total, tons/yr0.77
<br />* P = pump power (San Bernardino Valley Municipal Water District, Engineering Data).
<br />** Ef = pump efficiency (San Bernardino Valley Municipal Water District, Engineering Data).
<br />*** L = pump labor (San Bernardino Valley Municipal Water District, Engineering Data).
<br />**** V = annual water usage per person based on daily water usage of 700 gals per household (San Bernardino Valley Municipal Water District,
<br />Engineering Data), average occupancy of 2.57 persons per household (Census Data, 2003), and 365 days per year.
<br />***** Pe = person number based on 20% as percentage between school personnel and students (URBEMIS 2007 9.2.2 worker trip percentage)
<br />and average occupancy of 2.57 persons per household (Census Data, 2003).
<br />B3. Solid Waste
<br />B3a. Exhaust Emissions (Hauling Trucks)
<br />Emissions of nitrous oxide from solid waste transportation are calculated using the following equations:
<br />-1-1-1-1
<br />Y = (P)*(d)*(Ca)*(M)*(E)*(C)*(C)
<br />AA12
<br />Y = annual emissions of nitrous oxide from solid waste transportation, tons/yr.
<br />A
<br />P = annual waste production for disposal treatment, tons/yr (see B3a. Fugitive Emissions for carbon monoxide and methane).
<br />A
<br />d = solid waste density, 0.0365 tons/cuyd (California Integrated Waste Management Board).
<br />Ca = truck load capacity, 20 cuyd/trip.
<br />M = average trip mileage, 31.83 miles/trip.
<br />E = emission factor for hauling trucks, 0.0048 gr/mile (USEPA Direct Emissions from Mobile Combustion Sources, Climate Leaders, 2004).
<br />C = conversion factor from gr to lbs, 453.59 gr/lbs.
<br />1
<br />C = conversion factor from lbs to tons, 2,000 lbs/ton.
<br />2
<br />d, tons/cuydCa, cuyd/tripM, miles/trip *E, gr/mile **
<br />Unit TypeP, tons/yrC, gr/lbsC, lbs/tonsY, tons/yr
<br />A12A
<br />Residential3,545.25
<br />0.0365202.300.0048453.592,0000.00005910
<br />0.00
<br />Food Store0.0365202.300.0048453.592,0000.00000000
<br />Restaurant0.000.0365202.300.0048453.592,0000.00000000
<br />Hospitals0.00
<br />0.0365202.300.0048453.592,0000.00000000
<br />154.8
<br />Retail00.0365202.300.0048453.592,0000.00000258
<br />Commercial0.000.0365202.300.0048453.592,0000.00000000
<br />College/University0.00
<br />0.0365202.300.0048453.592,0000.00000000
<br />0.00
<br />High school0.0365202.300.0048453.592,0000.00000000
<br />0.000.0365202.300.0048453.592,0000.00000000
<br />Elementary School
<br />Office0.000.0365202.300.0048453.592,0000.00000000
<br />Hotel/Motel0.000.0365202.300.0048453.592,0000.00000000
<br />Warehouse0.0365202.300.0048453.592,0000.00000000
<br />0.00
<br />Miscellaneous0.000.0365202.300.0048453.592,0000.00000000
<br />0.00006168
<br />Total, tons/yr
<br />* M = average trip mileage based on the average round trip distance from disposal site that has jurisdiction over the project site
<br />Page 12 of 13
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