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# Screenshot 4.png
> [Open in Google Drive](https://drive.google.com/file/d/145kFCHTvAA2G_4QJhl0piltmOvyYPzfR/view)
The file is a screenshot of a SCADA/HMI interface for the Laguna County Sanitation District, specifically monitoring and controlling the Reverse Osmosis (RO) Ammonia Pump (PMP_701). It displays PID control parameters, pump operating states, chemical dosing pump statuses (sulfuric acid, aqueous ammonia, antiscalant), a process flow diagram feeding into the RO system, and an alarm log with active and acknowledged alarms. The interface provides real-time pump control, alarm management, and system overview for chemical dosing in the water treatment process.