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Research Journal of Environmental Toxicology
Year: 2007  |  Volume: 1  |  Issue: 3  |  Page No.: 149 - 152

Effect of Industrial Effluent of Fulad-Mobarekeh on Vegetables in Agricultural Lands

Hamid Reza Rahmani    

Abstract: Monitoring industrial effluent for harmful chemicals, especially heavy metals for prevention and degradation of natural resources are required. During one-year study, the Effluent Water (EW) of Fulad-Mobarekeh, in EW irrigated area were seasonally collected for 48 h period. Also the soils, vegetable plants irrigated by well-water or EW, were sampled and analyzed for heavy metals. The EW, EC, TDS, BOD, COD, sulfate, chloride, bicarbonate, NO3-N and Mn, Co and Cu concentration were above permissible limit, the well water EC, TDS, NO3-N, sulfate, chloride, bicarbonate and concentration of Co and Cu were above permissible limit and soils Cu, Mn and Cd were in critical range. Soils irrigated with EW had higher OC content and available Cd, Fe, Cu, Mn, Zn and Pb concentration were higher than control. In vegetables (Taree irani and Basil plants) the Mn concentration was in the critical range and other heavy metals were in the permissible range. The concentration of Cu and Fe in Taree irani and Basil were in luxury range. The heavy metals concentration in unwashed plant samples were higher than washed samples. Results showed that industrial effluent water have limitation for application of irrigation, surface water and subsurface water. Therefore, the EW for utilization of irrigation water-resource should be monitored.

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