낙동강수계 휘발성유기화합물질 모니터링 및 위해성 평가
Monitoring of Volatile Organic Compounds in Nakdong River System and Risk Assessment
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초록
In this study, fifteen volatile organic compounds (VOCs) were analyzed by purge & trap (P&T) and gas chromatography/mass spectrometer (GC/MS). Method detection limit (MDL) and limit of quantification (LOQ) were determined in the range of 0.0041~0.5241 μg/L and 0.0123~1.6692 μg/L, respectively. Accuracy and precision were controlled in the range of 78.29~124.57% and 2.95~23.41%, approximately. Five compounds (bromodichloromethane, 1,2-dichloroethane, tribromomethane, cis-1,2-dichloroethene, dibromochloromethane)were detected in stream waters and five compounds (cis-1,2-dichloroethene, acrylonitrile, 1,2-dichloroethane, bromodichloromethane, dibromochloromethane) were detected in 5 discharge points of industrial complex located in the Nakdong river basin. Risk assessments were performed for all of the detected compounds. It was less than the EPA criteria and criteria estimated in 33 representative points. 1,2-Dichloroethane and acrylonitrile detected in discharge points of 5 industrial complex were more than the EPA criteria.
Abstract
In this study, fifteen volatile organic compounds (VOCs) were analyzed by purge & trap (P&T) and gas chromatography/mass spectrometer (GC/MS). Method detection limit (MDL) and limit of quantification (LOQ) were determined in the range of 0.0041~0.5241 μg/L and 0.0123~1.6692 μg/L, respectively. Accuracy and precision were controlled in the range of 78.29~124.57% and 2.95~23.41%, approximately. Five compounds (bromodichloromethane, 1,2-dichloroethane, tribromomethane, cis-1,2-dichloroethene, dibromochloromethane)were detected in stream waters and five compounds (cis-1,2-dichloroethene, acrylonitrile, 1,2-dichloroethane, bromodichloromethane, dibromochloromethane) were detected in 5 discharge points of industrial complex located in the Nakdong river basin. Risk assessments were performed for all of the detected compounds. It was less than the EPA criteria and criteria estimated in 33 representative points. 1,2-Dichloroethane and acrylonitrile detected in discharge points of 5 industrial complex were more than the EPA criteria.
참고문헌 (24)
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