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San Joaquin Valley Air Pollution Control 01strlct Page 2 of 6 district Reference No:20220659 June 9,2022 The District recommends the County evaluate HHD truck routing patterns for the Project, with the aim of limiting exposure of residential communities and sensitive receptors to emissions. This evaluation would consider the current truck routes, the quantity and type of each truck (e.g., Medium Heavy-Duty, HHD, etc.), the destination and origin of each trip, traffic volume correlation with the time of day or the day of the week, overall Vehicle Miles Traveled (VMT), and associated exhaust emissions. The truck routing evaluation would also identify alternative truck routes and their impacts on VMT and air quality. 3) Reduce Idling of Heavy-Duty Trucks The goal of this strategy is to limit the potential for localized PM2.5 and toxic air contaminant impacts associated with failure to comply with the state's Heavy-Duty anti-idling regulation (e.g., limiting vehicle idling to specific time limits). The diesel exhaust from excessive idling has the potential to impose significant adverse health and environmental impacts. Since the Project consists of a cannabis cultivation operation/distribution warehouse and has the potential to generate HHD truck trips (e.g. deliveries), the County should consider deploying strategies to ensure compliance of the anti-idling regulation, especially near sensitive receptors, and discuss the importance of limiting the amount of idling. Recommended Measure: Construction and operational fleets limit vehicle idling pursuant to 13 CCR § 2485 and 13 CCR § 2480. 4) Electric On-Site Off-Road and On-Road EauiRment Since the Project consists of a cannabis cultivation operation/distribution warehouse, it may have the potential to result in increased use of off-road equipment (e.g., forklifts). The District recommends that the IS/MND stipulate requirements for project proponents to utilize electric or zero emission off-road and on-road equipment. 5) Vegetative Barriers and Urban Greening There are residential units located east of the Project. 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 (e.g., 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