Chlorinated Phenols in Konya Groundwaters

Mehmet Emin AYDIN, Senar ÖZCAN

Abstract


Phenols are produced during in various industrial activities including textile, medicine,
plastics, paper, paints, pesticides, disinfectants productions. Phenols cause taste and odor problems in
drinking waters even in small concentrations. In higher concentrations however, phenols are toxic for
humans and aquatic life. Phenols are classified as priority pollutants by EPA and EC and maximum
allowable concentration is set as 0.5 μg/L for phenols. In this work, water samples taken from drinking
water sources and well waters are analysed in terms of phenol, 2,4-dichlorophenol (2,4-DCP), 2,6-
dichlorophenol (2,6-DCP), 2,4,6-trichlorophenol (2,4,6-TCP), 2,3,4,6-tetrachlorophenol (2,3,4,6-TCP) and
pentachlorophenol (PCP). Analyses were carried out according to Method 8041A given by EPA.
Extraction method was optimized modifying Method 3510C by EPA. Recovery ratios in the analyses of
fortified samples and detection and quantitation limits were determined using the optimized method.
Phenols in water samples were derivatized by Pentafluorobenzylbromide (PFBBr) derivatization method
following the extraction step. Samples were cleaned-up according to Method 3630C by EPA. After
derivatization analyses were carried out using Hewlett Packard 5890 series II gas chromatography
equipped with DB-5 capillary column, electron capture detector (ECD) and 6890 series autosampler.


Keywords


Groundwater; chlorinated phenol; gas chromatography; Konya.

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