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based on the project description (i.e., floor -space of the proposed commercial building) Total construction and operational emissions would then be compared to the applicable significance emission thresholds created by the SCAQMD, as provided on their- web site to determine whether the project would have a significant impact on air quality. If the analysis shows that there would be significant air quality impacts, then feasible and applicable mitigation measures would be recommended to reduce air quality impacts to a level considered less than signif cant or to the maximum extent possible. Upon completion of the air quality model run, URS will prepare a draft technical memorandum summarizing the methods and data used, and the results with the model runs attached as an appendix to the project Initial Study. Note that this scope of work and cost estimated does not include a detailed description of background air quality, regulatory background information for federal, state or local agencies, a detailed greenhouse gas analysis nor any other type of air quality impacts (e.g. health risk assessment, toxic air contaminants) associated with the development and operation of the proposed commercial project. b. Hydrology and Soils Analysis URS Scientist will prepare the project hydrology and soils analysis based on previously published work in the vicinity of the project including published topographic, geologic and soils maps. Unpublished work already completed for the commercial project, if any. will be reviewed and a reconnaissance level visit to the project site will be conducted. The project geologic analysis will also include a review of the US Geologic Survey (USGS), the California Geological Survey and the US Department of Agriculture Soil Conservation for the project site. URS will also review unpublished information available in our in-house files and library. The results of our analysis will include a discussion of the general hydrology, geology, geomorphology, groundwater, and geologic and seismic hazards to the proposed project, and the effects of the proposed commercial project on site geologic and mineral resources. if any. The analysis will discuss if the project would expose people Or structures to potential substantial adverse effects involving changes to site hydrology; rupture of an earthquake fault; strong seismic shaking, seismic related ground failure, including liquefaction; substantial soil erosion, unstable ground from land sliding, lateral spreading, subsidence, liquefaction or collapse, or expansive soils. c. Hazards and Hazardous Material Analysis URS Scientist will review the Phase I Environmental Site Assessment (ESA) that we assumed the project proponent has prepared on the project site to evaluate the potential for environmental impairment or liabilities on the site. Our review will determine if that the new U.S. Environmental Protection 4