3701-31-04 (B)(1)(c) / Minimum disinfection residual shall be maintained as required.
Critical The free chlorine level was zero, resolve this violation.

3701-31-04 (C)(2) / pH is within 7.2 to 7.8
Repeat pH was outside the range of 7.2 to 7.8. The pH was 8.0, reduce to the required range.
Treat the pool water so that the pH is within the acceptable range.