This study's primary focus is the determination of heavy metals (arsenic, copper, nickel, cadmium, lead) in urine samples of residents living near the Nahatak tailing pond located in Lori Province, Armenia. Sampling was conducted in the communities of Mets Ayrum, Pokr Ayrum, Chochkan, Shamugh and in the reference community in the ecologically safer Tavush Province. Previous studies of this region have proven increased risks of polluted soil with increased levels of arsenic, cadmium and nickel. The results of our research confirm the heightened burden of the residents living in the metallurgically polluted location with increased levels of arsenic and cadmium in the environment. The worst effected residents of these locations are children. More information is also available here.