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City of Pleasanton <br />GHG Inventory, Forecast, and Targets Methodology and Calculations <br /> <br />44 <br />Waste Emissions <br />The forecast used a baseline emissions rate of 0.7201 tons of solid waste per service population and <br />0.0026 tons of ADC waste per service population along with projected growth in Pleasanton service <br />population to establish the estimated tonnage of waste being disposed yearly through 2050. A 2017 <br />solid waste emissions factor of 0.286 MT CO2e and a 2017 ADC waste emissions factor of 0.246 MT <br />CO2e was used to project emissions consistent with service population growth. Emissions from the <br />waste sector will likely be less than the projected totals due to decreasing rates of organic material in <br />the waste stream and recent legislation such as SB 1383 discussed in previous sections. At this time, no <br />mandate exists for individual cities and the waste reductions from these bills are incorporated into the <br />Climate Action Plan through Pleasanton reduction measures to avoid double counting. A summary of <br />the methodologies and data used to model waste emission over time are provided in Tables 28 and 29. <br />Table 28 Solid Waste Adjusted Forecast Scenario Methodology <br />Source Category <br />Forecasted Activity Data <br />(Scaling Factor) Emission Factor <br />Applied <br />Legislative Reductions <br />Solid Waste Service population growth 0.7201 tons solid waste per <br />service person, 0.286 MT <br />CO2e/ton of solid waste <br />N/A <br />ADC Waste Service population growth 0.0026 tons ADC waste per <br />service person, 0.246 ADC MT <br />CO2e/ton ADC waste <br />N/A <br />MT CO2e: metric ton of carbon dioxide equivalent; N/A: not applicable <br /> <br />Table 29 Waste Emissions Adjusted Forecast Scenario Results by Target Year <br />Activity Data 2020 2025 2030 2035 2040 2045 <br />2050 <br />Service Population 145,022 146,548 150,255 160,402 168,157 176,296 184,840 <br />Ton Solid Waste per Service <br />Population <br />0.72 0.72 0.72 0.72 0.72 0.72 0.72 <br />Ton ADC Waste per Service <br />Population 0.0026 0.0026 0.0026 0.0026 0.0026 0.0026 0.0026 <br />Total Tons Solid Waste 104,428 105,526 108,195 115,503 121,087 126,948 133,099 <br />Solid Waste Factor (MT <br />CO2e/ton) 0.286 0.286 0.286 0.286 0.286 0.286 0.286 <br />Total Tons ADC Waste 375 379 389 415 435 456 478 <br />ADC Waste Factor (MT <br />CO2e/ton) 0.246 0.246 0.246 0.246 0.246 0.246 0.246 <br />MT CO2e 29,963 30,279 31,044 33,141 34,743 36,425 38,190 <br />MT CO2e: metric ton of carbon dioxide equivalent