Additional requirements for pump tanks.
(1) A sanitary tee or baffle is required when effluent is pumped into the pump tank.
(2) The sanitary tee or baffle for a pump tank must meet the following requirements:
(a) The inlet sanitary tee or baffle must be installed on the inlet of the pump tank; and
(b) The inlet sanitary tee or baffle must extend into the tank a minimum of eight inches below the invert elevation of the inlet pipe.
[Statutory Authority: RCW 43.20.050
(2) and (3). WSR 09-23-119, § 246-272C-0240, filed 11/18/09, effective 12/19/09.]