Section 355IAC2-3-9. Liquid level gauging device

   (a) Every storage container shall be equipped with a liquid level gauging device by which the level of fluid in the storage container can be readily and safely determined.

  (b) A liquid level gauging device is not required if the level of fluid in a storage container can be readily and reliably measured by other approved means.

  (c) Liquid level gauging devices shall be designed, installed, and secured, in a safe manner, to protect against breakage or vandalism which may result in a discharge or spill.

  (d) External sight gauges are prohibited unless securely attached against the container wall and provided with a manually operated shut off valve which is locked in the shut off position at all times the level of fluid is not being determined. (State Chemist of the State of Indiana; 355 IAC 2-3-9; filed Mar 8, 1991, 2:45 p.m.: 14 IR 1393, eff one hundred twenty (120) days after filing with secretary of state; filed Apr 23, 1998, 9:20 a.m.: 21 IR 3361, eff one hundred twenty (120) days after filing with secretary of state; readopted filed Jun 20, 2001, 3:20 p.m.: 24 IR 3822; readopted filed Apr 27, 2007, 2:03 p.m.: 20070509-IR-355070039RFA; readopted filed Nov 13, 2013, 10:42 a.m.: 20131211-IR-355130442RFA)