OAC 310:257-9-35
Tank vent, protected
Cite as Okla. Admin. Code § 310:257-9-35
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.
OAC 310:257
OKLAHOMA STATE DEPARTMENT OF HEALTH
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