Occurrences and behavior of perfluorinated compounds in urban environment and proposal of scenario for health risk reduction

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1) Development of analytical procedures of perfluorinated compounds(PFCs) in wastewater samples, 2) Quantitative analysis of PFCs distribution in urban water environments, 3) Mass flow analysis of PFCs by industrial sociology, and 4) Estimation of amount of PFCs exposure to human and scenario analysis for risk reduction, were carried out in order to examine occurrences and behavior of PFCs in urban environment and to propose scenario for health risk reduction. 1) Simple and time-saving as well as showing high accuracy and precision was developed. 2) As a result of performing the use of PFOS, and search of allied products based on patent information, the use of 18 and the allied products of 1, 589 were specified. 3) Effectiveness of the adsorption processing by polymers was shown as a countermeasure in sources.