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Seasonal variations in concentration of toxic heavy metals such as lead, copper, and arsenic was monitored during the year 2010 and 2011. The fish samples collected in summer, monsoon and winter seasons were analyzed using atomic absorption spectrophotometer. The results obtained are presented and compared with the permissible limit as declared by WHO.

Seasonal variation of heavy metal concentration in Labeo rohita and Edaphodon kawai fishes of River Yamuna, Allahabad, Utter Pradesh