Assessment of heavy metals pollution in soils around Behshahr landfill

Authors

Department of hydrogeology and environmental earth sciences, faculty of earth sciences, Shahrood university of technology, Shahrood, Iran.

Abstract

Environmental assessment of municipal solid waste landfill has a vital importance because of its high potential of pollution. The main aim of this research is to assess the effect of Behshahr landfill environmental effects on soil with respect to heavy metals contamination. For this reason, 12 soil samples have been chosen from surface soil of landfill site and neighbor agricultural lands and after preparation, the samples were analyzed by ICP-OES for measuring 35 elements. Among the analyzed elements, 8 elements including cobalt, zinc, copper, arsenic, molybdenum, chromium, nickel, and cadmium were evaluated. Also, for assessing the landfill effect on surrounding soils contamination, a sample from landfill leachate was taken and analyzed by ICP-MS. The obtained results were compared with 4 soil contamination standards. The results indicate that the average values of cobalt, cadmium, zinc, copper, arsenic, and nickel were higher than the standards pollution limits. Statistical analyses were performed on the results by employing Pearson’s correlation matrix, enrichment index, pollution index, and pollution load index. The measured pollution index indicates that the studied soils have moderate rate of human induced pollution and from enrichment index standpoint the Cd>As>Zn>Cu>Ni>Co>Cr>Mo trend can be seen. Pollution load index indicates that the landfill soil sample and samples 4 and 5 have highest pollution.

Keywords


صفری، ا. جلیلی قاضی‌‌زاده، م (1389) بررسی روش‌های مدیریت شیرابه تولیدی در خاکچال‌های واقع در مناطق خشک و نیمه­خشک ایران و ارائه گزینه برتر، همایش ملی آب پاک، تهران، دانشگاه صنعت آب و برق.
قاسمی، م. و مصوری ، ف (1389) نقشه زمین­شناسی بهشهر 1:100000، سازمان زمین­شناسی و اکتشافات معدنی کشور
Adamcová, D., Vaverková, M. D., Barton, S., Havlícek, Z., Broušková, E (2016) Soil contamination in landfills: a case study of a landfill in Czech Republic. Solid Earth, 7: 239–247.
Bouzayani, F., Abdelwaheb, A., Abichou, T (2014) Soil contamination by heavy metals in landfills: measurements from an unlined leachate storage basin. Environ Monit Assess 186: 5033–5040.
Christensen, T.H., Cossu, R (1992) Landfiling of wast: leachate. Elsevier Science Publishers, 1: 656.
Eskandari, M., Homaee, M., Mahmoodi, S., Pazira, E., Van Genuchten, M.T (2015) Optimizing landfill site selection by using land classification maps. Environment science pollut Research, 22: 7754- 7765.
Gu, J.G., Lin, Q.Q., Hu, R., Zhuge, Y.P., Zhou, Q.X (2005) Translation behavior of heavy metals in soil-plant system: a case study of Qingchengzi Pb-Zn mine in Liaoning province., Journal of Agro-Environment Science, 4: 634-637.
Hakanson, L (1980) An ecological risk index for aquatic pollution control: A sedimentological approach. Water Res, 14 (8): 975–1001.
Kjeldsen, P. K., Barlaz, M.A., Rooker, A. P., Baun, A., Ledin, A., Christensen, T.H (2003) Present and long term composition of MSW landfill leachate—a review. Critical Reviews in Environmental Science and Technology, 32(4): 297–336.
Li, M.S., Luo, Y.P., Su, Z.Y (2007) Heavy metal concentrations in solid and plant accumulation in a restored manganese mine land in Guangxi, South China., Environmental Pollution, 147: 168-175.
Liu, C., Cui, J., Jiang, G., Chen, X., Wang, L., Fang, C (2013) Soil Heavy Metal Pollution Assessment Near the Largest Landfill of China. Soil and Sediment Contamination, 22: 390–403.
Loska, K., Cebula, J., Pelczar, J., Wiechula, D., Kwapulinski, J )1997( Use of enrichment, and contamination factors together with geoaccumulation indexes to evaluate the content of Cd, Cu, and Ni in the Rybnik water reservoir in Poland. Water, Air, Soil Pollut, 93(1): 347– 365.
Madrid, L., Diaz-Barrientos, E., Madrid, F., (2002), “Distribution of heavy metal contents of urban soils in parks of Seville”., Chemosphere, 49: 1301-1308.
Nasralla, M.M (1984) Lead in Jaddah urban dust., Environment Pollution Series B, Chemical and Physical, 8(2): 133-141.
Rice E.W., Baird, R.B., Eaton, A.D., Clesceri L.S (2012 (Standards methods for the examination of water and wastewater, 22th edition. American Public Health Association, American Water Works Association, Water Environment Federation
Rudnick, R.L., Gao, S (2003) Composition of the Continental Crust. In: Holland, H.D., Turekian, K.K. (eds-in-chief), Treatise on Geochemistry Volume 3: Rudnick, R.L. (ed.), The Crust, 1–64. Elsevier-Pergamon, Oxford.
U.S. EPA (1996) Method 3050B: Acid Digestion of Sediments, Sludges, and Soils, Revision 2. Washington, DC.
Wang, X. Q., He, M. C., Xie, J., Xi, J. H., and Lu, X. F) 2010 (Heavy metal pollution of the world largest antimony mine-affected agricultural soils in Hunan province (China). J. Soil. Sediment. 10(5): 827–837.