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San Joaquin Valley Air Pollution Control District Page 5 District Reference No.20220037 February 10,2022 For HRA submittals, please provide the following information electronically to the District for review: • HRA AERMOD model files • HARP2 files • Summary of emissions source locations, emissions rates, and emission factor calculations and methodology. More information on toxic emission factors, prioritizations and HRAs can be obtained by: • E-Mailing inquiries to: hramodeler(cDvalleyair.org; or • Contacting the District by phone for assistance at (559)230-6000; or • Visiting the Districts website (Modeling Guidance)at: http://www.valleyair.org/busind/pto/Tox Resources/AirQualityMonitoring.htm. 2) Vegetative Barriers and Urban Greening The District suggests the County consider the feasibility of incorporating vegetative barriers and urban greening as a measure to further reduce air pollution exposure on sensitive receptors(i.e. residential units). While various emission control techniques and programs exist to reduce air quality emissions from mobile and stationary sources, vegetative barriers have been shown to be an additional measure to potentially reduce a population's exposure to air pollution through the interception of airborne particles and the update of gaseous pollutants. Examples of vegetative barriers include, but not limited to the following: trees, bushes, shrubs, or a mix of these. Generally, a higher and thicker vegetative barrier with full coverage will result in greater reductions in downwind pollutant concentrations. In the same manner, urban greening is also a way to help improve air quality and public health in addition to enhancing the overall beautification of a community with drought resistant low maintenance greenery. 3) Solar Deployment in the Community It is the policy of the State of California that renewable energy resources and zero- carbon resources supply 100° of retail sales of electricity to California end-use customers by December 31, 2045. While various emission control techniques and programs exist to reduce air quality emissions from mobile and stationary sources,the production of solar energy is contributing to improving air quality and public health. The District suggests that the County consider the feasibility of incorporating solar power systems, as an emission reduction strategy for this Project. Planning Commission Staff Report, PA-2200090, PA-2100295 (GP, SA) 31 Response Letters