Ecology, Environment and Conservation Paper

EVALUATION OF THE CONCENTRATION OF PESTICIDES SUMICIDIN AND DURSBAN IN RIVER WATER MORDACQ CHAI, IRAN

Shadi Ashraf Nohegar and Fatemeh Nasehi

Abstract

Mordacq Chai as one of the main branches of Zarrineh Roud in the eastern part of Lake Urmia in northwestern Iran. Extensive land around the river orchards of apples and grapes, there is Sumicidin apply pesticides and pesticide Dursban in this study, to determine the concentration of toxins found its way into the river drains the gardens, 8 station and during the spring, summer and fall of 2013 were sampled and the samples are kept under 4 ° C and were transported to the laboratory. After preparation of the samples using GC / MS Pesticide Residues Dursban and Sumicidin measured values and for comparing the measured values SPSS software was used in the stations studied. Results showed that the average concentration of toxin observed in the summer Sumicidin Pam 06/0 times greater than the spring and autumn are 7 stations and the average concentration of insecticides has been viewed 4 times in the spring at the station in the summer of 7 ppm 04/0 ppm 08/0 stations was more than autumn. Comparison of the observed with EPA standards showed that these values are lower than the EPA standard.