Journal of the Korea Safety Management & Science (대한안전경영과학회지)

Korea Safety Management & Science (대한안전경영과학회)
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The Selter Selection Plan due to Formaldehyde Leakage

포름알데히드 누출에 따른 대피장소 선정 방안

  • SeungJu Oh (Dept. of Fire Protection & Safety Engineering, Woosuk University) ;
  • Ha-Sung Kong (Dept. of Fire and Disaster Prevention, Woosuk University)
  • 오승주 (우석대학교 일반대학원 소방.안전공학과 ) ;
  • 공하성 (우석대학교 소방방재학과)
  • Received : 2023.11.13
  • Accepted : 2023.12.07
  • Published : 2023.12.30
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Abstract

This study tested the effect on the toxicity of formaldehyde to select a shelter site due to formaldehyde leakage. As a result of the experiment, the range of ERPG-2 and 3 is between 2.2km and 9.6km, ASET is 6 minutes at 1km, 15 minutes at 3km, 22 minutes at 5km, and the lethality rate is 99.9% at 1km and 9% at 3km. In areas where refuge time is less than 15 minutes or the lethality rate is more than 2%, a shelter is installed. This is because if there are only a few evacuees, the evacuation time may take longer than the pre-movement time of 15 minutes or less specified in PD 7974-6:2004, and the lethality rate with the lowest number of deaths was calculated to be 2%. The shelter must be equipped with a hepa-filter, positive pressure equipment, air purifier, air respirator, goggles, chemical protective clothing type 4 and sufficient parking space must be secured to ensure the safety of evacuees.

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References

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