광화학측정망에서 측정한 휘발성유기화합물의 정도관리 방법
Quality Assurance and Quality Control method for Volatile Organic Compounds measured in the Photochemical Assessment Monitoring Station
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초록
The hourly volatile organic compounds(VOCs) concentrations between 2005 and 2008 at Bulgwang photochemical assessment monitoring station were investigated to establish a method for quality assurance and quality control(QA/QC) procedure. Systematic error, erratic error, and random error, which was manifested by outlier and highly fluctuated data, were checked and removed. About 17.3% of the raw data were excluded according to the proposed QA/QC procedure. After QA/QC, relative standard deviation for representing 15 species concentrations decreased from 94.7-548.0% to 63.4-125.8%, implying the QA/QC procedure is proper. For further evaluation about the adequacy of QA/QC procedure, principal components analysis(PCA) was carried out. When the data after QA/QC procedure was used for PCA, the extracted principal components were different from the result from the raw data and could logically explain the major emission sources(gasoline vapor, vehicle exhaust, and solvent usage). The QA/QC procedure based on the concept of errors is inferred to proper to be applied on VOCs. However, an additional QA/QC step considering the relationship between species in the atmosphere needs to be further considered.
Abstract
The hourly volatile organic compounds(VOCs) concentrations between 2005 and 2008 at Bulgwang photochemical assessment monitoring station were investigated to establish a method for quality assurance and quality control(QA/QC) procedure. Systematic error, erratic error, and random error, which was manifested by outlier and highly fluctuated data, were checked and removed. About 17.3% of the raw data were excluded according to the proposed QA/QC procedure. After QA/QC, relative standard deviation for representing 15 species concentrations decreased from 94.7-548.0% to 63.4-125.8%, implying the QA/QC procedure is proper. For further evaluation about the adequacy of QA/QC procedure, principal components analysis(PCA) was carried out. When the data after QA/QC procedure was used for PCA, the extracted principal components were different from the result from the raw data and could logically explain the major emission sources(gasoline vapor, vehicle exhaust, and solvent usage). The QA/QC procedure based on the concept of errors is inferred to proper to be applied on VOCs. However, an additional QA/QC step considering the relationship between species in the atmosphere needs to be further considered.
참고문헌 (16)
- 최은화, "Apportioning and Locating Nonmethane Hydrocarbon Sources to a Background Site in Korea", ENVIRONMENTAL SCIENCE TECHNOLOGY, 44(15), pp.5849~5854, AMER CHEMICAL SOC
- Guo, H, "C1-C8 VOC in the atmosphere of Hong Kong", Atmospheric Environment, 41, pp.1456~1457 (2007)
- Hafner, H.R, "VOCDat user's guide", STI-902620-2015-UG, Office of Air Quality Planning and Standards, U.S. Environmental Protection Agency, Research Triangle Park, NC, ~ (2004)
- Kang,B.S, "Multivariate Statistics using Statistical Package for Social Science", pp.369~421 (2005), Hankyung Press
- Kennedy, J.B, "Basic Statistical Methods for Engineering and Scientists" (1964), International Textbook Co., Scranton, PA
- 김정화, "관악과 시청의 요일별 오존 농도:1996~2000년 측정자료", 한국대기환경학회지, 19(5), pp.611~619 (2003), 한국대기환경학회
- "Guideline for the Installation and the Operation of National Air Quality Monitoring Station"[URL]
- Annual report of air quality in Korea 2009, "KMOE (Ministry of Environment, Korea)", National Institute of Environmental Research, Environmental Research Complex, ~, pp.11-1480000-000532-10 (2010)
- Lee, S, "Estimation of the seasonal variation of particulate nitrate and sensitivity to the emission changes in the greater Seoul area", ATMOSPHERIC ENVIRONMENT, 40, pp.3724~3736, PERGAMON-ELSEVIER SCIENCE LTD
- "Cleaning data the Chauvenet way, proc. SouthEast SAS Users Group 2007, SA11"[URL]
- 김용표, "Chemical composition of major VOC emission sources in the Seoul atmosphere", CHEMOSPHERE, 55, pp.585~594, PERGAMON-ELSEVIER SCIENCE LTD
- 김용표, "Chemical mass balance receptor model applied to ambient C-2-C9VOC concentration in Seoul, Korea: Effect of chemical reaction losses", ATMOSPHERIC ENVIRONMENT, 41, pp.6715~6728, PERGAMON-ELSEVIER SCIENCE LTD
- Study on optimum operating strategy of super site for air monitoring and improvement of data utilizing method, "NIER", National Institute of Environmental Research, Environmental Research Complex, ~, pp.2009-254 (2009)
- 박주연, "서울시에서의 최적 오존 저감 대책: OZIPR을 이용한 사례 연구", 한국대기환경학회지, 18(5), pp.427~433 (2002), 한국대기환경학회
- Temporal variation of volatile organic compounds and their major emission source in Seoul, "Shin, H.J.", ~ (2011)
- Wilks,D.S, "Statistical methods in the atmospheric science, 2nd Ed", pp.88~95 (2006), Elsvier Academic Press