SECTION 310:257-9-35. Tank vent, protected  


Latest version.
  •   If provided, a water tank vent shall terminate in a downward direction and shall be covered with:
    (1)   16 mesh to 25.4 mm (16 mesh to 1 inch) screen or equivalent when the vent is in a protected area; or
    (2)   A protective filter when the vent is in an area that is not protected from windblown dirt and debris.
[Source: Added at 23 Ok Reg 2358, eff 6-25-06]