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City of Santa Ana <br />Environmental Checklist <br />Regional Construction Emissions ROG NOx CO SOx PM10 PM2.5 <br />Conservative Worst-case Scenarios <br />Excavation & Soils Export AND Grading & Soils 8 63 36 <1 9 4 <br />Prep <br />Grading & Soils Prep AND Site Trenching & Bldg 6 58 39 <1 6 4 <br />Foundation <br />Building Construction 2014 AND Concrete & 13 76 57 <1 7 6 <br />Asphalt <br />Exceed Threshold? NO NO NO NO NO NO <br />Notes: <br />Construction emission calculation worksheets are included III Appendix A. <br />- PMIO emissions estimates take into account compliance with SCAQMD Rule 403 requirements for <br />fugitive dust suppression, which require that no visible dust be present beyond the site boundaries, as <br />well as the use of EPA Tier 2 equipment. <br />Source: ICF 2012. <br />Operational Impacts <br />Regional air pollutant emissions associated with project operations would be generated by the <br />consumption of electricity and natural gas and by the operation of on-road vehicles. Pollutant <br />emissions associated with energy demand (i.e., electricity generation and natural gas consumption) <br />are classified by SCAQMD as area source emissions. <br />Mobile- and area-source emissions were calculated using the CaIEEMod emissions inventory model, <br />which multiplies an estimate of daily VMT by applicable EMFAC2007 emissions factors.' The <br />CaIEEMod model output and worksheets for calculating regional operational daily emissions are <br />provided in Appendix A. As shown in Table 3-6, regional emissions resulting from the operation of <br />the project would not exceed regional SCAQMD thresholds for CO, NOx, PM10, ROC, SOx, or PM2.5. <br />Thus, operation of the proposed project would not exceed regional SCAQMD thresholds, and <br />regional operations emissions would result in a less-than-significant long-term regional air quality <br />impact. No mitigation measures are necessary. <br />Table 3-6. Estimate of Regional Operational Emissions (pounds per day) <br />Regional Operational Emissions ROG NOx CO sox PM10 PM2.5 <br />Area Sourcer 3 <1 <1 <1 <1 <1 <br />Stationary Sourcesb <1 <I <1 < I <1 <1 <br />On Road Mobile Sources- 9 17 90 <1 21 2 <br />Total 11 17 90 <1 21 2 <br />SCAQMD Daily Significance Threshold 5 5 50 30 10 5 <br />Exceed Significant Threshold? No No No No No No <br />Notes: <br />a Mobile emissions calculated using the CaI EEMod emissions model. Model output sheets are provided <br />in Appendix A. <br />b Emissions from project-related electricity generation are calculated based on guidance provided In <br />1 Daily VMT estimate derived by applying CalEEMod default trip length estimates (per land use) with the proposed <br />project default trip generation estimates (per land use). <br />The Bat Nha Buddhist Meditation Center 3-20 June 2013 <br />Initial 5ludy/Mitigated Negative Declaration ICF 00215.12 <br />31 C-73