355 IAC 3-8-4
355 IAC 3-8-4 Shutoff valves; check valves
Cite as Ind. Admin. Code tit. 355, r. 3-8-4
Sec. 4. (a) Shutoff valves shall be:
(1) provided for all connections, except those with a No. 54 drill size restriction, plugs, safety valves, and thermometer wells;
and
(2) located as close to the tank as practicable.
(b) When operating conditions make it advisable, a check valve shall be installed on the fill connection and a remotely operated shutoff
valve on other connections located below the maximum liquid level.