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Process Hazard Analysis Report 7 Study Results and Recommended Actions 2020 The study resulted in the thorough documentation of credible hazard scenarios and operational concerns for the three (3) Anhydrous Ammonia Processes. A total of 152 what -if scenarios were evaluated. Each recommendation was carefully reviewed to ensure that it is based on an accurate assessment of the design and operation of the process. However, an additional safety review will be necessary to ensure that the implementation does not introduce another hazard. The disposition of each recommended action for the what -if should be noted and retained to provide a permanent record for auditing and resolution tracking purposes. A risk ranking system was used by the team to rank each What -if ammonia release scenario based on the team's estimate of frequency and consequence of the event (Figure 2). This system was based on a prioritized risk ranking assignment of High, Medium, and Low. TABLE D — NUMBER OF WHAT -IF RECOMMENDATIONS Risk Ranking No. of REC A High Risk — Extremely critical, requires immediate mandatory mitigation to reduce to "C" or below 0 B Medium Risk — Critical, requires mitigation within six (6) months to reduce to "C" or below 1 C Low Risk — Undesirable, mitigation is required within one (1) year to reduce ranking 4 D Negligible Risk — Acceptable with / without controls; verify need for safeguards or no mitigating action required 6 There were no recommendations generated from the human factor and external checklists. These recommendations are listed in Appendix C. The recommendations of this study shall be addressed within the San Joaquin County Environmental Health timeframe of 1.0 year, as compared to the 2.5 years allotted by the program regulations. If the recommendation(s) cannot be closed in the timeframe, the facility shall come into an agreement with San Joaquin County Environmental Health on a timetable of completion. A careful review of each M