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Bella Terra Residential Community and Temple Project TASK2 TECHNICAL ANALYSES/STUDIES Subtasl<2.1 Proposed Technical Analyses. Several technical analyses will be prepared as part of the lS/MND sections by Psomas' in-house technical experts in support of an adequate environmental document,consistent with CEQA requirements.These analyses include Air Quality and Greenhouse Gas(GHG) Emissions,Cultural and Tribal Cultural Resources, Energy, Noise,and Transportation.The scopes are provided below. Air Quality and Greenhouse Gas Ernl_ s5 Ions Psomas will prepare air quality and greenhouse gas (GHG)analyses to evaluate the potential impacts related to the Project. Based on information provided, Psomas will draft reasonable worst- case scenarios for anticipated construction activities(i.e., most intensive phase,type of construction, construction start and completion dates,anticipated soil export and import, equipment mix)and long-term operations to be used as t e basis ofth_e-air_qu.a_lity_moA-e_li.ng.— Psomas will calculate the Project's construction and operational criteria pollutant regional(mass) emissions using the latest version of the CalEEMod air pollutant emissions model. Model results will be compared with the SCAQMD's CEQA mass emissions thresholds,SCAQMD Localized Significance Thresholds Look-Up Tables will be used to analyze exposure of nearby off-site sensitive receptors; as such,no site-specific dispersion modeling is proposed as part of this scope of work. It is expected that the Project would not generate traffic congestion at a major intersection at a magnitude that would cause a local carbon monoxide(CO)"hotspot"due to the lack of motor vehicle trips and traffic congestion.Thus, no dispersion modeling is included in this Scope of Work for CO analysis.The analysis will include an evaluation of Project conformity with the Air Quality Management Plan for the South Coast Air Basin, as well as an analysis of Project consistency with relevant GHG reduction plans.A discussion of potential mitigation measures may be included if Project emissions result in air quality or greenhouse gas emission impacts.The findings will be provided in the Air Quality and GHG sections of the environmental document. Cultural Resources and Tribal_Cultural Resources Background Research. Psomas will submit a request to the California Historical Resources Information System (CHRIS)at the South-Central Coastal Information Center(SCCIC)to conduct a records search for the Project site, including a 1/2-mile search radius.The SCCIC currently estimates one month from the date of request to receive the results of the records search. Additionally, Psomas will request the Native American Heritage Commission(NAHC) conduct a search of the Sacred Lands File(SLF)database for the Project site.The NAHC currently estimates four weeks from the date of request to receive the results from the Sacred Lands File database. Psomas will also request a paleontological resources records search and literature review for the site from the Vertebrate Paleontology Section of the Natural History Museum (NHM)of Los Angeles County.The NHM provides a letter summarizing information on geological formations and known paleontological localities(if any)near the Project site,and a determination of the paleontological sensitivity of the geologic units underlying the site.The NHM currently estimates throe weeks from the date of request to receive the results of the records search. Site Visit. Psomas will also complete one visit to the Project site.This SOW assumes that no cultural resources,either newly identified or previously recorded,will be encountered in the Project site that will require documentation and/or evaluation. If cultural resources are identified,a Side Letter Amendment will be required.This process would require re-submission to legal for review and signatures. R:Troposels%SentAnaXSella7err T-inallsallaTarra_ISMND-a22g25,dn" A-3 Scope of Work