Design and construction—Tank vent, protected (2009 FDA Food Code 5-302.14).
If provided, a water tank vent must terminate in a downward direction and must be covered with:
(1) 16 mesh to one inch (16 mesh to 25.4 mm) 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.
[Statutory Authority: RCW 43.20.050
. WSR 13-03-109, § 246-215-05320, filed 1/17/13, effective 5/1/13.]