Department of Chemistry (Division of Agricultural Chemicals), College of Basic Sciences and Humanities, G.B. Pant University of Agriculture and Technology, Pantnagar, 263145, Uttarakhand, India
*Corresponding author shishir_tandon@yahoo.co.in
The water samples collected from different locations of district Haridwar and Dehradun of Uttarakhand were analyzed for residues of organochlorine and cyclodiene group of pesticides using multi-residue method by GC-ECD. Endosulfan was found in maximum number of samples analyzed followed by dieldrin and BHC. The residues of endosulfan and/or its degradation products, DDT and/or its degradation products, BHC isomers and aldrin/dieldrin were 80, 25, 55 and 70 per cent respectively.
Water, pesticide residue, GC-ECD, organo-chlorine
