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• The proposed project would create new sources of light and glare. The mitigation measures require lighting plans and establish lighting criteria. The criteria would require extensive shielding, lower exterior lighting levels in the auto mall vehicle storage areas, and lower lighting levels by existing and proposed dwelling units. The mitigations would require lower light standards (poles) at the auto mall by CLC, lower light standards on roof tops, and all interior lighting to be turned off during non-operational evening hours, with the exception of lighting needed for security reasons. The proposed project would have the potential to expose future on site residents to substantial Toxic Air Contaminants (TACs) due the project's close proximity to the I-580 freeway. As such, a proposed mitigation measure has been added which requires a health risk assessment for all proposed residential units within 500 feet of the freeway. The California tiger salamander, California red legged frog, and western pond turtle could occur in the arroyo and its riparian habitat. Recommended mitigation measures include providing construction monitoring, educating construction workers about the possible presence of these animals, limiting construction to dry seasons when the red legged frogs are less likely to be present, and providing fencing during construction. • Both the white tailed kite and the northern harrier have been observed on the site. The California horned lark is known to occur north of the I-580. Suitable nesting and foraging habitat for the loggerhead shrike occurs on the site. Recommended mitigation measures specifically related to birds include conducting nesting bird surveys and limiting when grading and construction can occur to minimize nesting impacts. • Recommended mitigation measures include limiting light spillover into the arroyo, and considering wildlife in the design of the proposed parks by providing wildlife habitat including opportunities for cover, food, and water for native and migratory wildlife. The recommended mitigation measures would require each developer to prepare and implement a site specific Water Quality Management Plan with targeted pollutant removal rates and a pesticide management plan. The use of diazinon would be prohibited or severely limited. The recommended mitigations require deed disclosures about the proximity of the Livermore Municipal Airport, the potential for noise, and other nuisances from aircraft operations. The recommended mitigations also require CLC to be the initial contact for any and all airport noise complaints from residents within its development. Disclosures about potential nuisances from quarry operations would also be required. Recommended noise related mitigation measures include the following: Senior Continuing Care Community Prior to PUD approval, require a noise study showing how noise impacts from traffic on I-580 can be reduced and require appropriate noise reduction measures Case No. PSP-11 and PRZ-44, ACSPA Planning Commission Page 5 of 8