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CC> 40 ATTAC14MENT B SCOPE OF WORK WORK AUTHORIZATION 2. -- RISK MANAGEMENUACCIDENTAL RFLEASI PREVENTION PIAN: PROCESS HAZARD ANALYSISIASSESSiviENT AND OFFSITE CONSEQUENCE ANALYSIS Legislation signed as part of the Clean Air Act Amendments (November 15, 1990) included provisions for regulations to be issued by the Environmental Protection Agency (EPA) that would provide significant protection in the event of an accidental release of a hazardous substance. In separate regulations promulgated on January 31, 1994. and on .lune 20, 1996, EPA created the Accidental Release Prevention (ARP) program. These regulations require that all facilities affected by the ARP program prepare and submit a risk management plan (RMP) no later than June 21, 1999, which documents the hazard assessment, prevention program, and emergency response program necessary to protect public health and the environment in the event of a catastrophic release of sonic 140 regulated substances. Consistent with these requirements, the County has formed a team composed of utility, risk management and emergency services staff to develop a strategic approach to comply with and to implement the ARP program at its water and wastewater treatment facilities. 'This work authorization provides for performance of hazard analysislasscssment and offsite consequence analysis by G & R personnel for inclusion in the County's Risk Management/Accidental Release Prevention Plan. G & R will conduct a Process Hazard Analysis (1111A) for chlorine at Six County Wastewater Treatment Facilities: North Regional WWTP Vista Royal WWTP West Regional WWTP Vista Gardens WWTP Sea Oaks WWTP Blue Cypress WWTP The PHA will involve evaluation of the RMP covered process in accordance with the provisions of 40 CFR Part 68, Subpart D, § 68,67. The Checklist method will be utilized for the PHA. A site visit to cacti facility will be performed where field evaluation and documentation will be performed, The Checklist method requires the integral involvement of at least one county employee familiar with the covered process.