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B2. Potable Water <br />Emissions of methane from potable water treatment and transportation for domestic use are calculated using the following equation: <br />Y = (Y)*(1-(Red+Red)) <br />MAUA12 <br />Y = mitigated annual emissions of methane from electricity used for potable water treatment and transportation, tons/yr. <br />MA <br />Y = unmitigated annual emissions of methane from electricity used for potable water treatment and transportation, tons/yr. <br />UA <br />Red = xeriscape landscaping reduction proportion, 0.35 (California Integrated Waste Management Board, Publication No. 442-96-033, 1996) for single family residential. <br />1 <br />Red = low flush toilet reduction proportion, 0.03 (Riverside Public Utilities, Engineering Data). <br />2 <br />Red = Incorporate water-efficient irrigation controls (?% reduction) <br />3 <br />Red = Use reclaimed water for landscape irrigation (?% reduction) <br />4 <br />Red = Includes measures to be water-efficient (water-efficient fixtures & appliances) (?% reduction) <br />5 <br />UA, tons/y <br />Land Use TypeYrRedRedRedRedRedY, tons/yr <br />12345M <br />A <br />0.000980.000330.0000.0000.0000.0000.00 <br />SF Residential <br />MF Residential0.122120.040600.0000.0000.0000.0000.08 <br />Food Store0.000000.000000.0000.0000.0000.0000.00 <br />Restaurant0.000000.000000.0000.0000.0000.0000.00 <br />Hospitals0.000000.000000.0000.0000.0000.0000.00 <br />1.272000.249310.0000.0000.0000.0001.02 <br />Retail <br />Commercial0.000000.000000.0000.0000.0000.0000.00 <br />College/University0.000000.000000.0000.0000.0000.0000.00 <br />High school0.000000.000000.0000.0000.0000.0000.00 <br />Elementary School0.000000.000000.0000.0000.0000.0000.00 <br />0.000000.000000.0000.0000.0000.0000.00 <br />Office <br />0.000000.000000.0000.0000.0000.0000.00 <br />Hotel/Motel <br />Warehouse0.000000.000000.0000.0000.0000.0000.00 <br />0.000000.000000.0000.0000.0000.0000.00 <br />Open Space <br />Total mitigated tons per year1.10465 <br />Reduction percentage, %20.82 <br />* Red = low flush toilet reduction proportion based on the ratio between the daily water saving of 22 gals per household and the daily water usage <br />2 <br />of 700 gals per household. <br />B3. Solid Waste <br />B3a. Fugitive Emissions <br />Emissions of methane from solid waste disposal treatment are calculated using the following equation: <br />Y = (Y)*(1-Red)*(1-Red) <br />MAUA12 <br />Y = mitigated annual emissions of methane from solid waste disposal treatment, tons/yr. <br />MA <br />Y = unmitigated annual emissions of methane from solid waste disposal treatment, tons/yr. <br />UA <br />Red = Los Angles-County Recycling Program reduction proportion, 0.50. <br />1 <br />Red = Providing educational and publicity material for reducing waste (?% reduction). <br />2 <br />Y, tons/yrRedRedY, tons/yr <br />U12M <br />AA <br />8.33 <br />16.658.33 <br />Reduction percentage, %50.00 <br />Page 8 of 14 <br />B3b. Exhaust Emissions (Hauling Trucks) <br />Emissions of methane from solid waste transportation are not reduced by any mitigation measures; therefore, emissions of methane from solid <br />waste transportation equal to tons/yr. <br />0.13 <br />B3c. Exhaust Emissions (Disposal Equipment) <br />Emissions of methane from solid waste disposal are not reduced by any mitigation measures; therefore, emissions of methane from solid waste <br />disposal equal to tons/yr. <br />0.16 <br />B4. Wastewater <br />Emissions of methane from waste water treatment are calculated using the following equation: <br />Y = (Y)*(R) <br />MA1MA2W <br />Y = mitigated annual emissions of methane from waste water treatment, tons/yr. <br />MA1 <br />Y = mitigated annual emissions of methane from electricity used for potable water treatment and transportation, tons/yr. <br />MA2 <br />Red = xeriscape landscaping reduction proportion, 0.35 (California Integrated Waste Management Board, Publication No. 442-96-033, 1996) for single family residential. <br />1 <br />Red = low flush toilet reduction proportion, 0.03 (Riverside Public Utilities, Engineering Data). <br />2 <br />Red = Includes measures to be water-efficient (water-efficient fixtures & appliances) (?% reduction) <br />3 <br />, <br />Y <br />UM1 <br />tons/yr <br />RedRedRedY, tons/yr <br />123M <br />A <br />0.259770.0010.0000.52 <br />0.78125 <br />Reduction percentage, % <br />33.43690 <br />C. Summary Table <br />Source TypeEmissions, tons/yr <br />GWP tons/yr <br />Construction equipment0.091.89 <br />Motor vehicles21.40449.40 <br />Direct <br />Landscape equipment0.000.03 <br />Cooling and heating1.2325.86 <br />Total direct, tons/yr22.72 <br />Electricity0.091.92 <br />Potable water1.1023.20 <br />Indirect <br />Solid waste8.61180.90 <br />Wastewater0.5210.92 <br />Total indirect, tons/yr10.33 <br />Total, tons/yr33.05 <br />24.03 <br />Reduction percentage, % <br />Global warming potential index21 <br />Global warming potential, tons/yr694.12694.12 <br />Page 9 of 14 <br />