Heavy metal accumulation in indoor ceiling fan dust from residential areas of Kathmandu Municipality, Nepal: A potential urban environmental problem
- 1Faculty of Science, Padma Kanya Multiple Campus, Tribhuvan University, Bagbazar, Kathmandu, Nepal
- 2Faculty of Science, Padma Kanya Multiple Campus, Tribhuvan University, Bagbazar, Kathmandu, Nepal
- 3Faculty of Science, Padma Kanya Multiple Campus, Tribhuvan University, Bagbazar, Kathmandu, Nepal
Res.J.chem.sci., Volume 7, Issue (10), Pages 16-20, October,18 (2017)
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 &
- Banerjee A.D.K. (2003)., Heavy metal levels and solid phase speciation in street dust of Delhi., India Environmental Pollution, 123, 95-105.
- Meza-Figueroa D., De La O-Villanueva M. and De La Parra M.L. (2007)., Heavy metal distribution in dust from elementary schools in Hermosillo, Sonora, Mexico., Atmospheric Environment, 41(2), 276-288.
- Amato F., Querol X., Johansson C., Nagl C. and Alastuey A. (2010)., A review on the effectiveness of street sweeping, washing and dust suppressants as urban PM control., Science of the Total Environment, 408(16), 3070-3084.
- Li X., Poon C.S. and Liu P.S. (2001)., Heavy metal contamination of urban soils and street dust in Hong Kong., Applied Geochemistry, 16(11), 1361-368.
- Sharma R.K., Agrawal M. and Marshall F.M. (2008)., Atmospheric deposition of heavy metals (Cu, Zn, Cd and Pb) in Varanasi City, India., Environment Monitoring and Assessment, 142, 269-278.
- Amato F., Pandolfi M., Viana M., Querol X., Alastuey A. and Moreno T. (2009)., Spatial and chemical patterns of PM10 in road dust deposited in urban environment., Atmospheric Environment, 43(9), 1650-1659.
- Ng S.L., Chan L.S., Lam K.C. and Chan W.K. (2003)., Heavy metal contents and magnetic properties of playground dust in Hong Kong., Environmental Monitoring and Assessment, 89(3), 221-232.
- U.S. EPA (US Environment Protection Agency) (1986)., Air Quality Criteria for Mercury and Lead. EPA., Research Triangle Park, NC.
- Government of Canada (2001)., In Order Adding Toxic Substances to Schedule 1 to the Canadian Environmental Protection Act., Canada Gazette, 135, 1-8.
- Kim N. and Fergusson J. (1993)., Concentrations and sources of cadmium, copper, lead, and zinc in house dust in Christchurch, New Zealand., Science of the Total Environment, 138(1-3), 1-21.
- Tong S.T.Y. and Lam K.C. (1998)., Are nursery schools and kindergartens safe for our kids? The Hong Kong study., Science of Total Environment, 216(3), 217-225.
- Jabeen N.A., Ahmed S., Hassan S.T. and Alam N.M. (2001)., Levels and sources of heavy metals in house dust., Journal of Radio analytical and Nuclear Chemistry, 247(1), 145-149.
- Yap C.K., Ismail A. and Tan S.G. (2007)., Heavy metal concentrations in indoor fan dust of residential areas: A preliminary study., Malaysian Applied Biology, 36(2), 65-67.
- Yap C.K., Chew W.Y. and Tan S.G. (2012)., Heavy Metal Concentrations in Ceiling Fan and Roadside Car park Dust Collected from Residential Colleges in Universiti Putra Malaysia, Serdang, Selangor., Pertanika Journal of Tropical Agricultural Science, 35, 75-83.
- Madrid L., Diaz-Barrientos E. and Madrid F. (2002)., Distribution of heavy metal contents of urban soils in parks of Seville., Chemosphere, 49(10), 1301-1308.
- Lacatuso R. (1998)., In Appraising levels of soil contamination and pollution with Heavy Metals., Europea Soil Bureau Research Report No. 4.
- Yap C.K., Ismail A., Tan S.G. and Omar H. (2002)., Correlations between speciation of Cd, Cu, Pb and Zn in sediment and their concentrations in total soft tissue of green-lipped mussel Perna viridis from the west coast of Peninsular Malaysia., Environment International, 28, 117-126.
- Homolya J. (1999)., Particulate matter (PM2.5) Speciation Guidance Document., January 21, DRAFT 131, U.S. EPA.
- Wang W.H., Wong M.H., Leharne S. and Fisher B. (1998)., Fractionation and biotoxicity of heavy metals in urban dusts collected from Hong Kong and London., Environment, Geochemistry and Health, 20(4), 185-198.
- Davies D.J.A., Watt J.M. and Thornton I. (1987)., Lead levels in Birmingham dust and soils., Science of the Total Environment, 67(2-3), 177-185.
- Jiries A.G., Hussein H.H. and Halas Z. (2001)., The quality of water and sediments of street runoff in Amman, Jordan., Hydrology Proceedings, 15(5), 815-824.
- Charlesworth S., Everett M., Mc Carthy R., Ordonez A. and De Minguel E. (2003)., A comparative study of heavy metal concentration and distribution in deposited street dust in large and a small urban area: Birmingham and Coventry, West Midlands, UK., Environmental International, 29(5), 563-573.
- Fergusson J.E. and Ryan D.E. (1984)., The elemental composition of street dust from large and small urban areas related to city type, source and particle size., Science of the Total Environment, 34(1-2), 101-116.