engleski

Phtalates in Underground Waters of the Zagreb Area

AIM: To determine whether and in what concentrations the underground waters, stream waters, spring water, and tap water from the Zagreb area contain phthalates -- compounds usedas plastic softeners, which have recently been ascribed carcinogenic, mutagenic, and teratogenic effects.METHOD: The presence of dimethyl phthalate (DMP), diethyl phthalate (DEP), dibutyl phthalate (DBP), benzylbutylphthalate (BBP), diethylhexyl phthalate (DEHP), and dioctyl phthalate (DOP) was determined in a totalof 96 samples of underground waters, stream waters, and tap water from the Zagreb area between Februaryand June 1998. Identification and quantification of phthalates were performed by the method of gas chromatography(GC-ECD), with a detection limit of 0.005 microg/L. RESULTS: The presence of one or more phthalates wasdemonstrated in 93 out of 96 (97%) water samples. The measured values ranged from 0.005 to 18.157 microg/L.Phthalates were detected in 76 out of 77 (98%) underground water samples. The mean level of all phthalatespresent in the water samples was 4.879 microg/L. Median test yielded a significantly increased levelof phthalates in the underground waters from Jakusevac (sampled in February 1998) and Trebe , which areZagreb and Samobor city waste dumps, as compared with other sites in the study (overall median=3.785 ; chi-square=22.682 ; p

Phtalates ; underground water ; Zagreb

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