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PRZ-59/1623 Cindy Way Future residential development projects located within 1,000 feet of a heavily travelled street or freeway would need to analyze the long-term health risks of locating homes in this location. Discussion of Checklist Items a.-e.) The proposed project is t rezoning project which will result in the relocation of the existing home and may result in a future seven-lot single-family development. With the relocation of the existing home,it is expected to generate short term impacts related to construction activities. During the house relocation, all construction equipment will be required to meet all current exhaust standards for emission reductions to maintain compliance to the NO . To mitigate short term construction impacts the project will be required to provide dust control measures to reduce dust emissions and PIA„ : • Enclose, cover or water all soil piles twice daily. • Water all haul roads twice daily. Long term operational emissions would be generated by both stationary and mobile sources as a result of normal day to day activities on site. Stationary area source emission would be generated by the consumption of natural gas for space (HVAC) and water heating devices and operation of landscape maintenance equipment. Mobil° source emissions would be generated by motor vehicles traveling to and from the project site. This will result in small, incremental insignificant increases. The project site located approximately two miles from 1-680. The Bay Area Air Quality Management District CEQA Guidelines (Ma) 2011) provided screening criteria for criteria pollutants and precursors using the default assumptions used by the Urban Land Use Emissions Model (URBEMIS). It shows the following criteria for single-family development: Operation Criteria Operational GHG Construction Criteria Pollutant Screening Size Pollutant _ Screening Size Screening Size Single family 325 dui (NOX2) 56 du 114 du (ROG3) 'Dwelling Unit 2 Oxides of Nitrogen 3 Reactive Organic Gases The development the applicant intends to file later is a single-family development of seven homes. The project level is well under the screening size of the BAAQMD CEQA guidelines. However, at the time when the development is proposed, threshold of significance will be reviewed again to determine the level the impact at that time. Therefore, this would be a Less-than-Significant Impact. 7 7/8/2011