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2. 2. Gas Chromatography Research Group in The Japan Society for Analytical Chemistry, “Textbook for Gas Chromatography Workshop”, 2010.
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4. 4. JIS K 0125, “Testing Methods for Industrial Wastewater”, 2016, Japanese Industrial Standards Committee, Tokyo.
5. 5. Ministry of Health, Labour and Welfare, “Notification No. 261, Analytical Method Based on Provisions of Ministerial Ordinance on Water Quality Standards”, 2003.