| Performance goal: Disinfection equipment and chemicals are operating optimally. |
| Description: Disinfection equipment and chemicals are maintained in accordance with the manufacturer’s advice. |
| Performance criteria: Disinfection is functioning optimally. |
| Minimum requirements |
| Check disinfection chemical: volume and concentration of the active ingredient. |
| Check dosing equipment. |
| Do not use expired chemicals. |
| Check disinfectant residual at end drinker. |
| Best practice options |
| Frequency of monitoring, cleaning, and maintenance follows or exceeds the requirements in System monitoring and maintenance. |
Check disinfectant residual:
after disinfectionat multiple points in the distribution systemat the end drinker. |
| A disinfectant dosing and chemical register is developed and used. |
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