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Today's tip comes from James Piper, contributing editor for Building Operating Management.
One of the most important procedures for the long-term effectiveness of the water treatment program is good record keeping. Thoroughly documented logs of test results and actions taken will not only provide a clear indication of the status of the program, but also indicate any trends that are taking place. In the event of a component failure, a review of records can help identify the cause and what can be done to prevent a recurrence. Good records also help operators predict problems with system components and to identify those that should be inspected.
Here are four types of records that should be kept:
• Makeup water: quantity used, hardness, conductivity and silica
• Cooling tower water: pH, hardness, silica, conductivity, and inhibitor and bacterial levels
• Closed-loop systems: pH, conductivity, iron, hardness, and inhibitor and bacterial levels
• Chemical treatment: chemical pump settings and dosages