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4. ENVIRONMENTAL ANALYSIS 4.11 HAZARDS AND HAZARDOUS MATERIALS -� Both federal and State laws include special provisions for hazard communication to employees _ who work with and/or encounter hazardous materials and wastes. The training must include safe methods for handling hazardous substances, an explanation of Material Safety Data Sheets,use of emergency response equipment,implementation of an emergency response plan and use of personal protective equipment. Hazardous Materials Transportation California law requires that hazardous waste(as defined in California Health and Safety Code Division 20, Chapter 6.5) be transported by a California registered hazardous waste transporter that meets specific registration requirements. The requirements include possession of a valid Hazardous Waste Transporter Registration,proof of public liability insurance which includes coverage for environmental restoration,and compliance with California Vehicle Code registration regulations required for vehicle and driver licensing. State agencies with primary responsibility for enforcing federal and state regulations and _ responding to hazardous materials transportation emergencies are the California Highway Patrol and the Caltrans. Together,these agencies determine container types used and license hazardous waste haulers for hazardous waste transportation on public roads. — Groundwater Regulatory Background The SWRCB regulates surface and groundwater quality pursuant to the Porter-Cologne Water Quality Act,the federal Clean Water Act,and the Underground Tank Law. The mission of the SWRCB is to ensure the highest reasonable quality for waters of the State, while allocating those waters to achieve the optimum balance of beneficial uses. The joint authority of water allocation and water quality protection enables the SWRCB to provide comprehensive protection for California's waters. _ Under the same laws, the RWQCB are authorized to supervise the cleanup of hazardous wastes sites referred to it by local agencies in those situations where water quality may be affected. — There are nine RWQCB. The mission of the RWQCB is to develop and enforce water quality objectives and implementation plans,which would best protect the beneficial uses of the State's waters,recognizing local differences in climate,topography, geology and hydrology. Depending on the nature of contamination,the lead agency responsible for the regulation of hazardous materials at the site can be the DTSC,RWQCB,or both. DTSC evaluates — contaminated sites to ascertain risks to human health and the environment. Sites can be ranked by DTSC or referred for evaluation by the RWQCB. The RWQCB,Central Valley Region, is responsible for overseeing the discharge of water(from dewatering during construction activities) — to surface waters as it applies to the proposed project. The DTSC and Cal/OSHA are the agencies that are responsible for overseeing that appropriate measures are taken to protect workers from exposure to potential groundwater contaminants. RMC Pacific Vemahs Quany Milting and Rmla im Pmject 4.11-10 ESA/203015 Administrative Dmft®t March 2004