A graph comparing the groups of substances that are found in each sample collection point of landfill landfill kamphaeng Saen in Nakhon Pathom province, Italy, found that Community type is point 1 point 3 points 5 and 6 found that Perfluorooctanoic acid substances in the Group (PFOA) or most C8a. Found in concentrations 0.854568 ng/L, 38.716985/L, ng L ng 0.355988 ng/L/0.854568 and respectively.
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