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An Evaluation of the Off-site Risk of Spill from a Storage Tank of Nitric Acid

  • Crisisonomy
  • Abbr : KRCEM
  • 2016, 12(3), pp.187-200
  • Publisher : Crisis and Emergency Management: Theory and Praxis
  • Research Area : Social Science > Public Policy > Public Policy in general

Chang-hyun Shin 1 Park, Jai-hak 2

1환경부 화학물질안전원
2충북대학교

Accredited

ABSTRACT

The number of chemical accidents involving nitric acid continues has increased for the last three years. As nitric acid is strongly toxic, an appropriate dike surrounding a storage tank must be installed to prevent the release of toxic chemicals. In installing a dike, it is important to consider the capacity of a storage tank and minimize the surface area within a dike. By using Off-site Risk Assessment modeling program (KORA), this study conducted an evaluation of EPRG-2 dispersion distance from dikes that are installed in compliance with the Dangerous Substance Control Act and the Chemicals Control Act. The results indicate that the requirement of maintaining a distance of 1.5 m or more between a dike and a tank is effective in reducing the possible affected areas. Also, it is proposed to establish uniform standards for dike facilities through collaboration among the governmental ministries.

Citation status

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