INVESTIGATION OF THE TOXICITY LEVEL OF HEAVY METALS RESULTED FROM THE MIGRATION OF LEACHATE POLLUTANTS ACROSS THE SOIL PROFILE OF A MUNICIPAL DUMPSITE. FJS [Internet]. 2023 Apr. 6 [cited 2025 Sep. 8];3(2):154-60. Available from: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1496