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recommended level by WHO guidelines. The result necessitates the assessment of the level of chromium species in the discharged effluent of all the tanneries in the country. University is also acknowledged for accessing the ICP-OES and UV-Vis instruments. Finally, our appreciation goes to the Bahir Dar tannery for permitting us to collect effluent samples.doi:10.1080/23312009.2018.1534566 fatcat:5jdqpidkl5gmxoeqg3fztbwidi