Abstract
The scale of the damage due to chemical accidents in Korea is significant, and appropriate preparation and response are required. Currently, Korean enterprises are managed on the basis of the presence of certain substances. However, chemicals other than these also cause chemical accidents. It is necessary to develop a relative ranking risk index that can be calculated through use of the chemical enterprise information on chemical enterprises that is available. The Korean chemical accident risk index (KCARI), which consists of the flammability, reactivity, explosiveness, corrosiveness, toxicity, and inventory sub-indices, was developed and verified by determining the for difference in KCARI was performed by accident, and accident severity category, calculating the correlation between the KCARI values, the factors, and some sub-indices, determining how an increase in the KCARI would impact how the incident rate changed as KCARI increased and how well the KCARI can predict the chemical accident risk of chemical handling enterprises, and confirming the consistency of the proposed index and the current system. These results indicated that the frequency and severity of chemical accidents, and the presence of accidental substances, showed significant differences in the KCARI values. However, there were limitations in the ability of the fitted model to precisely predict the accident. Thus, this model can be used as a tool for the early screening and management of enterprises with a high risk of chemical accident.
Highlights
40,000 chemical substances are used in Korea, and the number of chemical substances and their use are continuously increasing [1]
We developed a risk index that can be used to calculate the risk of chemical accidents in the workplaces that handle chemicals
We examined the relative ranking methods for inherent safety in the safety area to determine the Werisk, examined the relative health ranking methods for inherent in the safety area toand determine accident in the occupational area to determine the risksafety of occupational diseases, in the the accident risk, in the occupational health area to determine the risk of occupational diseases, and environmental area to judge the environmental impact due to the chemical leakages in order to develop in model
Summary
40,000 chemical substances are used in Korea, and the number of chemical substances and their use are continuously increasing [1]. The 2012 hydrogen fluoride leakage accident, which led to 23 casualties and 50 billion won of property damage, caused a significant increase in the public’s interest regarding chemicals and chemical accidents [3]. The Korea Ministry of Environment (MoE) has reformed the chemical management system by enacting and enforcing the Chemical Control Act (CCA) and the Act on Registration, Evaluation, etc. MoE collects this information for enterprises that handle chemicals in amounts of 100 kg/year or more, and the findings are disclosed to the public online. Under the CCA, approximately 45,000 chemicals and 16,000 enterprises are managed.
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