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박교식(Kyoshik Park),김태옥(Tae-Ok Kim),김지윤(Ji-Yoon Kim),유방현(Bang-Hyun Yoo),박도준(DoJun Park) 한국위험물학회 2013 한국위험물학회지 Vol.1 No.1
Hydrofluoric acid release accident occurred in Gumi industrial area in September of 2012 was analyzed by applying simple modeling Consists of 3 steps; liquid phase release, evaporation into atmosphere, and dispersion. The dispersed distance along crosswind direction was reconstructed through measuring concentration of hydrofluoric acid around the leaves of the scene and Gaussian dispersion modeling was applied to evaluate the amount released. The amount released was calculated by simple equation relating evaporation rate expressed in terms of temperature and material properties. The results will be good example to prepare countermeasures against similar toxic release.