International Science Community Association Research Journal of Chemical Sciences 2231-606X 7 10 2017 10 18 Heavy metal accumulation in indoor ceiling fan dust from residential areas of Kathmandu Municipality, Nepal: A potential urban environmental problem 16 20 EN Subhi A. Al-Jibori 1 Chemistry Dept., College of Science, TikritUniversity, Tikrit, Iraq Mahmood M. Barbooti 2 Dept. Applied Science, University of Technology, P.O. Box 35045, Baghdad, Iraq Ahmed S.M. Al-Janabi 3 Dept Biochemistry, College of Veterinary Medicine, Tikrit University, Tikrit, Iraq A.H. Ali 4 Dept. Chemistry, College of Education, Ibnul-Haytham, University of Baghdad, Baghdad, Iraq N. Sami 5 Chemistry Dept., College of Science, TikritUniversity, Tikrit, Iraq Bakhtyar K. Aziz 6 Chemistry Department, University of Sulaimani, Sulaimani, Iraq S. Basak-Modi 7 Chemistry Dept., University College London, London WC1H 0AJ, UK Kwaji Kwaji 1 Department of Chemistry, Faculty of Science, Gombe State University, Gombe, Nigeria H.M. Adamu 2 Department of Chemistry, Faculty of Science, Abubakar Tafawa Balewa University, Bauchi, Nigeria I.Y. Chindo 3 Department of Chemistry, Faculty of Science, Abubakar Tafawa Balewa University, Bauchi, Nigeria Pradhananga Achut Ram 1 Faculty of Science, Padma Kanya Multiple Campus, Tribhuvan University, Bagbazar, Kathmandu, Nepal Shakya Ramesh Kaji 2 Faculty of Science, Padma Kanya Multiple Campus, Tribhuvan University, Bagbazar, Kathmandu, Nepal Shakya Pawan Raj 3 Faculty of Science, Padma Kanya Multiple Campus, Tribhuvan University, Bagbazar, Kathmandu, Nepal > Short Communication 2017 7 19 2017 10 18 Heavy metals accumulation in indoor dust from residential areas of Kathmandu municipality is increasingly becoming an urban environmental issue of health concern. In this study, ceiling fan dust samples were collected from residential buildings of 5 core areas of Kathmandu viz., Basantapur, Nayabazar, Bhotahity, Bagbazar and Kirtipur (reference). The collected dust samples were analyzed for the concentrations of Cd, Zn, Ni and Cu using Atomic Absorption Spectrophotometer. Metal concentrations indicated that ceiling fan dust from all the sampling sites contained high levels of heavy metals compared to reference site. Results revealed that Bagbazar site was found to have the highest accumulation of all the metals and Basantapur recorded the lowest concentrations in dust samples. In all the sampling locations, the metal accumulations were obtained in abundance following the order as Zn > Cu > Ni > Cd. The average accumulations of all the sampling sites for Cd, Zn, Ni and Cu in dust samples were 0.77, 423.68, 29.04 and 244.08 & Copyright@ International Science Community Association