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weekday PM conditions. The modeled ambient air quality conditions (for I-hour and 8-hour averaging times) will be compared to the state and federal air quality standards. Where appropriate, strategies for mitigating the effects of increased regional emissions, odors, toxic air contaminants, or carbon monoxide will be identified. Any activities that are within the jurisdiction of the City of San Leandro to control will be targeted for emission reductions. An analysis of the project's contribution to global warming will be provided. At this time, no definitive CEQA approaches or standards for analyzing impacts related to global warming have been issued by governing agencies. As such, EIP will apply Approach 7 in the Association of Environmental Professionals' latest White Paper on Global Climate Change.l This approach involves (1) providing a quantified inventory of the project's green house gas emissions and (2) qualitatively discussing the project's compliance with emission reduction strategies contained in the California Climate Action Team's Report to the Governor. Task 4.5 Hydrology and Water Quality. Re-development of the project site poses several minor potential impacts to hydrology and water quality. Grading changes may modify existing drainage patterns, and may create an increase in the total amount of impermeable surface on the site resulting in an associated increase in storm water runoff and non-point source pollution. Measures will be recommended in the EIR to reduce adverse effects to less-than-significant levels, consistent with guidance from the Alameda County Clean Water Program and the National Pollutant Discharge Elimination System permit requirements. Project construction and operation will need to address potential impacts to local water resources, increases in storm water runoff, needs for erosion control, and potential impacts to surface and groundwater quality. EIP will consider the following elements in developing site- specific mitigation measures: · Contain stormwater on-site to reduce flood hazards or drainage problems and to maintain existing water quality within local surface waters; · Prevent increases in off-site flood hazards; · Prevent on-site damage from soil erosion; · Prevent increases in off-site sediment transport that could cause storm drain blockage or channel aggradation; and · Eliminate hazards caused by local flooding through expanSIOn and improved management of the site drainage infrastructure. EIP's assessment of the existing local and regional hydrologic conditions will focus on site drainage, flood hazards, water quality, and groundwater contamination (if any) issues. The analysis will consider existing drainage patterns, alternative project area drainage designs, the potential for on-site erosion, and impacts on the local storm drain system. The overall analysis 1 /lEP, "c\ltemacive Approaches to Analyze Greenhouse Gas Emissions and Global Climate Change in CEQ}, Documents, Revised Draft, April 27, 2007. Consulting Services Agreement between City of San Leandro and EIP Associates Page 32 of 43