C.M.R. 10, 144, ch. 202, app 144-202-D
Current through 2024-51, December 18, 2024
The following parameters and frequencies are required for proper record-keeping procedures.
| Parameter | Sampling or Recording Frequency | Notes |
| Sanitizer residual & pH | As needed to maintain minimum residual, but not less than 3 times per day | Influenced by bather load |
| Total alkalinity | Once per week | |
| Calcium hardness | Once per week | |
| Cyanuric acid | Once per week | |
| Water Temperature | Daily | |
| Filter influent/effluent pressure | Daily | Determines need for filter backwash |
| Recirculation rate | Daily | |
| Filter backwash | As necessary | As indicated by pressure drop across filter |
| Bather load | Daily | |
| Injury or accident | As necessary (See Section 7(B)(4) ) | Fecal, vomiting, and bleeding accidents must be recorded |
| Chemical addition | As necessary |
C.M.R. 10, 144, ch. 202, app 144-202-D