Monitoring of some agrochemical pollutants in surface water in Kafr El-Sheikh Governorate | ||
| Journal of Pest Control and Environmental Sciences | ||
| Volume 15, Issue 1, June 2007, Pages 21-41 PDF (289.66 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/jpces.2007.459644 | ||
| Authors | ||
| A. H. Masoud* ; I. I. El-Fakharany; M. A. S. Abd El-Razik | ||
| Department of Pesticides, Faculty of Agric., Kafr El-Sheikh University, Egypt | ||
| Abstract | ||
| Agrochemical pollutants such as pesticides and heavy metals cause serious problems in the framework of aquatic environment, which lead to adverse effects on water quality and its biota such as fish. Kafr El-Sheikh Governorate presents one of the most areas for rice cultivation and fish culturing. Therefore, it is necessary to protect the environment of this area from hazardous of chemical pollutants. A spatiotemporal monitoring of pesticide residues and heavy metals were conducted in some irrigation and drainage waters from different zones in Kafr El-Sheikh Governorate (Kafr El-Sheikh, Sedi Salem, El-Reiad, Biyala, Al-Hamul and Baltim). To study the pesticide residues in surface water, samples were collected during a period extended from winter (2004) up to summer (2005) from twelve sites distributed at five sites from irrigation canals (Bahr Tirah canal, AnNile canal and Meet Yazid canal), seven sites of drains from (Al-Gharbiya ar Raisi, Nasir, Hafir Shihab adin, Ash-Sharikah, No. 7, No. 8 and AlWastany). The analysis results using GC (ECD and FPD) and HPLC-UV showed that the presence of twenty seven pesticides which were: aldlrin, dieldrin- γ-BHC, β-BHC, δ-BHC, α-BHC, p,p.DDT, p,p.DDE, p,p.DDD, heptachlor, heptachlor-epoxide and γ-chlordane of organochlorine compounds (OCPs), dichlorophos, ethoprophose, cadusaphos, diazinon, chlorpyrifos-methyl, primiphos-methyl, chlorpyriphos, phenthoate, fenitrothion, prothiophos, profenphos and ethion of organophosphorus compounds(OPs), methomyl and oxamyl (carbamates). p,p.DDT and diazinon concentrations were higher than maximum residue level (MRL) especially at mixing waters between irrigation water and drain in summer that was due to high persistence and the precipitation in agricultural water drains, but the lowest two compounds were α. HCH and phenthoate. Seventeen samples were collected from the previous sites for analysis of heavy metal pollutants (Fe, Cu, Ni, Cd, Co, Cr, Mn, Zn and Pb) in surface water using atomic absorption spectrophotometer (AAS). The results indicated that chromium, cobalt and lead were the most abundant trace elements and their residues exceed the proposed permissible limits according to WHO and the Egyptian Ministry of Health Regulation, followed by zinc, manganese and cadmium while iron, cupper and nickel were less than the permissible limits according to WHO. | ||
| Keywords | ||
| Water; Pesticide residue; Heavy metal; GC (ECD; FPD); HPLC-UV; AAS; Pollution | ||
|
Statistics Article View: 1 |
||
