This study focuses on analyzing the impact range of toxicity, overpressure and radiant heat (pool fire and boiling liquid expanding vapor explosion, BLEVE) resulting from a propylene oxide leakage accident and proposes mitigation strategies to minimize damage. A risk assessment was conducted by designing accident scenarios based on variables such as substance quantity and wind speed. The results indicated that toxicity and BLEVE were the primary risk factors, and the risk level increased as the substance quantity increased and wind speed decreased. For future mitigation strategies, it is suggested that a quantitative analysis of vapor dispersion rates and dilution and effects under various environmental conditions be conducted, along with preliminary research on optimizing absorbents and catalytic materials.

Abstract
1. 서 론
2. Propylene oxide 누출 메커니즘
3. 위험성 평가 프로그램
4. 연구 방법
    4.1 연구 모델
    4.2 입력 데이터 정의
    4.3 데이터 입력값
    4.4 분석 기준
5. 연구 결과
    5.1 독성
    5.2 과압
    5.3 액면 화재
    5.4 비등 액체 증기 폭발
6. 결론
7. References
저자 소개

• 김미숙(우석대학교 소방, 안전공학과 박사과정) | Mi-Suk Kim (Ph.D. Candidate, Dept. of Fire Proetection and Safety Engineering, Woosuk Univ.)
• 임수희(우석대학교 소방방재학과 외래교수) | Soo-Hee Lim (Adjunct Professor, Dept. of Fire and Disaster Prevention, Woosuk Univ.)
• 공하성(우석대학교 소방방재학과 교수) | Ha-Sung Kong (Professor, Dept. of Fire and Disaster Prevention, Woosuk Univ.) Corresponding author