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Tracy, CA 0-1 Glass, Inc. Maintenance <br /> ANHYDROUS AMMONIA NEUTRALIZATION SYSTEM <br /> MAINTENANCE SCHEDULE <br /> Shift Rounds (Visual Inspection for leaks, damage, etc.) <br /> • Anhydrous Ammonia Storage Tank <br /> o Level <br /> o Pressure <br /> • Piping <br /> Monthly <br /> • Check pressure relief valves for leaking/weeping <br /> Annual <br /> • Check moving parts for functional efficiency (control valves, ball valves, etc.) <br /> • Check storage tank and piping for signs of corrosion, damage or other deterioration and <br /> anchoring <br /> • Test the high and low level alarms <br /> 5 Years <br /> • Replace the relief valves <br /> Page I A-3 <br />