Water quality, human health risk, and pesticides accumulation in African catfish and Nile tilapia from the Kitchener Drain-Egypt

Organochlorine and organophosphorus compounds in water samples

In this study, the water samples were collected from Kitchener Drain (Table 2), and the results indicated that the heptachlor and diazinon were not detected during the four seasons. However, the levels of endosulfan were 29.7 ± 2.48 and 11.4 ± 1.48 ppb during the winter and autumn, respectively. Dicofol was also detected in the water during autumn and summer at…