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Process Hazard Analysis Report July 2020 1 Management Summary 1.1 Overview This report documents the findings of the combined What-if & Checklist process hazard analysis (PHA) and revalidation study conducted for Oak Ridge Winery covering the three Anhydrous Ammonia Processes at the Lodi, CA facility. The analysis was conducted at the site on July 9-10, 2020. APCCO was contracted to perform this process hazard analysis by Oak Ridge Winery. Michelle Schlefstein acted as team leader for the study. Ms. Schlefstein has facilitated numerous PHAs in refrigeration plants, co-generation and NOx reduction processes and chemical plants. In addition, Ms. Schlefstein was employed as an Environmental, Health and Safety Manger which included overseeing the implementation of the PSM/RMP for 16 years. APCCO facilitated the study with a team of Oak Ridge Winery management and maintenance personnel. 1.2 Summary of Analysis & Revalidation The five-year anniversary date for the Oak Ridge Winery PHA / revalidation is July 24, 2020. It was determined that the 2015 PHA was throughout and consistent with the processes at the time. Since then, Oak Ridge Winery has made some changes and modifications within the systems. It was determined that it would be best to review, update as necessary, and re-evaluate the 2015 PHA. The CalARP confirms this decision by stating: "At least every five years after the completion of the initial PHA, the PHA shall be updated and revalidated by a team meeting the requirements in section (d), to assure that the PHA is consistent with the current process." — CaIARP Section 2760.2(f) Where applicable, the 2015 PHA packet and information contained in the report was utilized as part of this PHA and revalidation. 1.3 Key Findings and Results The key findings and results from the PHA include: • The major risks of the ammonia refrigeration systems have been identified and the safeguards to prevent release have been reviewed and/or evaluated. 3