Abstract
Potentially Toxic Elements (PTEs) include metals such as Pb, Cd, Cr, Cu, Hg, Ni, Sn, and Zn, as well as metalloids like As, which are associated with several health problems, especially in children whose biological systems are not fully developed. In 2024, a research project was initiated at a Daycare Center (DCC) with the goal of assessing the chemical exposure of children attending this…