- Volume 45 Issue 2
DOI QR Code
Enhancement of Occupational Exposure Assessment in Korea through the Evaluation of ECETOC TRA according to PROCs
공정 범주에 따른 ECETOC TRA 모델 평가로부터 도출한 한국 작업장 노출 평가 개선 방안
- Kim, Ki-Eun (Environmental Safety Group, KIST Europe) ;
- Kim, Jongwoon (Chemical Safety Center, Korea Research Institute of Chemical Technology) ;
- Jeon, Hyunpyo (Environmental Safety Group, KIST Europe) ;
- Kim, Sanghun (Department of Pharmaceutical Science and Technology, Kyungsung University) ;
- Cheong, Yeonseung (Department of Environmental Engineering, Pusan National University)
- 김기은 (KIST Europe 환경안전사업단) ;
- 김종운 (한국화학연구원 화학안전연구센터) ;
- 전현표 (KIST Europe 환경안전사업단) ;
- 김상헌 (경성대학교 제약공학과) ;
- 정연승 (부산대학교 환경공학과)
- Received : 2019.03.26
- Accepted : 2019.04.20
- Published : 2019.04.30
Objectives: The objectives of this study are to evaluate the accuracy and precision of exposure model ECETOC TRA v.3.1 by comparing model predictions with repeated exposure measurements in Korean workplaces and to investigate the applicability of ECETOC TRA to Korean workplace exposure assessment in K-REACH. Methods: Measured values and work conditions for 14 kinds of chemicals collected from exposure field surveys conducted at 10 companies in Korea were utilized for this study. All possible process categories (PROCs) considered to be relevant to each work process classification were selected and applied to ECETOC TRA as major determining parameters. In order to quantify the accuracy of the model, the lack of agreement (bias, relative bias, precision) was calculated and the risk ratios for each exposure situation between estimated and measured were also compared. Results: The estimated values varied between five and 25 times according to the PROCs for all exposure situations (ESs) based on tasks/chemicals. The results showed that most of the estimated values were below the measured values, and just 13 of 53 tasks were above the measured values. The overall bias and precision were
Supported by : 한국과학기술연구원, 국가과학기술연구회
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