3701-31-04(D)(6)(a)(2) / Pool free chlorine disinfectant residual shall be above 1 ppm.
Critical Pool free chlorine disinfectant residual was below 1 ppm. The free chlorine was .5. The PIC will add more chlorine before use.
Do not operate the pool until the chlorine disinfectant residual is at 1 ppm or above. Correct By: 26-Jun-2019