“…It should be noted that measurement of tank dimensions, which is already underground, is not feasible nor possible (Caihong Li, 2013). Since common calibration techniques (ASIS, 2017;Jin Tao Wang, 2013;Khaisongkram & Banjerdpongchai, 2004;Knyva & Knyva, 2012;Mensura, 2013) are not preferable, recalibration is generally carried out using some sort of an estimation technique that uses a mathematical model (Caihong Li, 2013;Chen, 2012;Y. Li, 2014;Nosach, 2000;Xie, Wang, Cui, & Chen, 2012).…”