An owner shall ensure that an indoor recreational pool, semipublic pool, or public spa has:
A. A ventilating system capable of:
(1) Exhausting 1 1/2 cfm of air per square foot of enclosed area; or
(2) Dehumidifying the recirculated air from the enclosed area; and
B. Make-up air equal to the volume of exhausted air or as required in the ventilation system specifications.