75B - PH ADOPT RESO FOR PR NO 15-6827

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L S A FAIRVIEW BRIDGE REPLACEMENT AND STREET IMPROVEMENTS (9TH STREET TO 16TH STREET( PROJECT INITIAL STUDY/MITIGATED NEGATIVE DECLARATION SANTA ANAL CALIFORNIA MAY 2020 In addition, the removal of existing fill soil, utility poles and pole -mounted transformers, yellow traffic striping, wood waste, and hazardous building materials (e.g. asbestos and lead -based paint) would have the potential to create a significant hazard to the public or the environment. However, there are specific procedures for handling and disposing of these materials during demolition and renovation activities in the CCR and SCAQMD Rules and Regulations such that these materials do not adversely impact people or the environment. Mitigation Measure HAZ-1 cites compliance with these regulations as well as specific procedures to manage anticipated and unknown hazardous materials. Therefore, with implementation of Mitigation Measure HAZ-1, impacts associated with the transport or disposal of existing known or unknown hazardous materials in the Project area would be less than significant. Once operational, the proposed Project would not routinely generate, use, or dispose of hazardous materials. Impacts would be less than significant with mitigation incorporated. b. Would the project create a significant hazard to the public or the environment through reasonably foreseeable upset and accident conditions involving the release of hazardous materials into the environment? Less Than Significant Impact. The potential for releasing hazardous materials into the environment would primarily involve vehicles on the roadway, but could involve future subsurface contamination from nearby locations and off -site contaminated groundwater. This potential exists today and would not be substantially greater with roadway widening and bridge replacement. Vehicles and trucks may transport hazardous substances that could spill and impact the roadway, adjacent properties, or resources. However, transport of hazardous materials is subject to strict regulations established by local police and fire departments trained in emergency response procedures for safely responding to accidental spills of hazardous substances on public roads, which further reduces impacts. Therefore, Project impacts associated with hazards from reasonably foreseeable upset and accident conditions involving the release of hazardous materials into the environment would be similar to existing conditions and are considered less than significant, and no mitigation is required. c. Would the project emit hazardous emissions or handle hazardous or acutely hazardous materials, substances, or waste within one -quarter mile of an existing or proposed school? Less Than Significant with Mitigation Incorporated. The REACH Academy Community Day Intermediate and High School is located adjacent to the southern border of the Project site. As discussed in Section 3.3, Air Quality, the Project would not substantially increase the concentrations of hazardous materials in the area. As discussed in Response 3.9.2(a), above, construction of the proposed Project will require the use of limited quantities of fuels, oils, lubricants, and solvents. In addition, the removal of utility poles and pole -mounted transformers, yellow striping, wood waste, and building materials would have the potential to generate hazardous emissions. The Project would comply with local, State, and federal regulations with respect to the transport, use, and disposal of hazardous waste during construction activities and will comply with specific hazardous -materials procedures specified in Mitigation Measure HAZ-1. Once operational, the proposed Project would not generate hazardous emissions. Impacts would be less than significant with mitigation incorporated. 3-50 7 5844ND\Final ISMND\Fairview Street Bridge Final ISMND.docx (OS/26/20)