ARCHIVED REPORTS LEC APPLICATION FOR CERTIFICATION

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5.5 HAZARDOUS MATERIALS HANDLING The revised HMBP will be filed with the San Joaquin County Environmental Health Department,the designated Certified Unified Program Agency (CUPA) for the project site, and will be updated annually in accordance with applicable regulations. In accordance with emergency response procedures specified in the HMBP, designated personnel will be trained in appropriate methods to mitigate and control accidental spills. In the event of a chemical emergency,plant personnel will defer to the San Joaquin County Environmental Health Department and the San Joaquin County Office of Emergency Services. Woodbridge Fire Protection District Station No. 4 would be the first onsite and fire department personnel will act as first responders. For emergency spills and hazardous materials,the Woodbridge Fire Protection District and the City of Stockton and Lodi Fire Departments have firefighters who have completed formal training in Hazardous Materials Incident Response. These firefighters are members of a countywide Hazardous Materials (Haz Mat) Team,managed by the San Joaquin County Office of Emergency Services. The Haz Mat Team will identify the type and source of the hazardous material, oversee evacuation of people, and confine the spilled material,if possible. Cleanup of the material is the responsibility of the facility causing the spill. Woodbridge Station No.4,at 6365 W. Capitol Avenue,Lodi, California 95242,is the nearest fire station to the proposed project site. The station is approximately 1.8 miles north of the LEC and response time would be approximately 7 to 10 minutes. Mutual aid and additional resources will be requested from the other Woodbridge stations,the City of Stockton and the City of Lodi Fire Departments. Stockton Station No. 10 is approximately 10 miles from the project site, at 2903 W. March Lane,Stockton, California 95219. 5.5.4.2.2 Anhydrous Ammonia Anhydrous ammonia is currently in use for the STIG facility and the addition of the LEC facility will not require an increase in storage capacity of the existing tank. The STIG facility refills the tank once per year under current operations. The addition of the LEC facility will only require additional deliveries of ammonia. Anhydrous ammonia will be used in a selective catalytic reduction(SCR) process to control NOX emissions created in the combustion chambers of the combustion turbines. The SCR system will include catalyst modules, an ammonia storage system,and an ammonia injection system. The anhydrous ammonia, stored as a liquefied gas comprised of 99 percent ammonia,will be injected into the turbine exhaust housing upstream of the catalyst modules. The rate of injection will be controlled by a monitoring system that uses sensors to determine the correct quantity of ammonia to feed to the injection system. Approximately two times per month (or a maximum of 24 deliveries per year),one 6,500-gallon tanker truck will deliver anhydrous ammonia to the site.The ammonia will be stored in an AST with a 12,000-gallon capacity,contained within a secondary containment system,as required by the Uniform Fire Code. This containment system includes a bermed containment area under and surrounding the tank which would contain a liquid ammonia release from the tank. The anhydrous ammonia storage tank is equipped with continuous tank level monitors and alarms,automated leak detection system,pressure monitors and alarms, and excess flow and emergency block valves. 5.5-24 SAC/371322/082330015(LEC_5.5_HAZMAT.DOC)