+94-21-206-0161

Dr. (Ms.) Buddhika Gunawardana

Senior Lecturer Grade I (On Contract)
Department of Civil Engineering

B.Sc. Eng. (Moratuwa), MEng. (St), MEng (New Zealand), Ph.D (New Zealand)

Research interests : Water pollution and remediation, Advances in water treatment, Nanomaterials application for water purification, Contaminants of Emerging Concern, control and treatment, Phytoremediation, Permeable reactive barriers for groundwater remediation, Use of Zero Valent Iron and Bimetals for remediation of contaminated waters.

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  bgunawardana@eng.jfn.ac.lk


Dr. (Ms) Buddhika Gunawardana is a Senior Lecturer attached to the Department of Civil Engineering, Faculty of Engineering, University of Jaffna. She obtained her B.Sc. (Eng) degree from the University of Moratuwa in Year 2002. She received her MEng (studies) and MEng degrees in Environmental Engineering, and PhD degree in Civil Engineering in Year 2007, 2008, 2013, respectively, from the University of Auckland, New Zealand. She was awarded the Asian Development Bank–Japan (ADB-Japan) Scholarship for MEng degrees and New Zealand International Doctoral Research Scholarship (NZ-IDRS) for her PhD studies.

Some of her research interests and expertise include Surface/Groundwater, potable water pollution and remediation techniques; Persistence and degradation of chlorinated aliphatic/aromatic compounds, pesticides, and emerging contaminants; Pollution remediation with permeable reactive barriers; Phytoremediation of heavy metals and organics from soil and water; Advanced water treatment systems; Nanotechnology Applications for water purification, Contaminants of Emerging concern: detection and remediation.

Before she joined the University of Jaffna, she worked as a Lecturer, Senior Lecturer, and Professor at the University of Moratuwa from January 2003 to August 2023. During her academic career, she has secured research and equipment grants, including NRC and NSF Grants, to successfully conduct research projects at the UG, MSc and PhD levels. She also secured academic and professional awards, including President’s Award for Excellence in Scientific Research and in recognition of the outstanding research performances. She also extended her professional contribution as the Program Advisory Committee Member for organizing IWA International Conferences. She extended her expertise in many national and international projects as the principal researcher, technical expert, and Environmental specialist.


Overall: Environmental pollution and control, Contaminants of Emerging Concern, Conventional and Advanced treatment technologies for polluted waters

In detail:

  • Surface/Groundwater, potable water pollution and remediation
  • Degradation of chlorinated aliphatic/aromatic compounds, pesticides, and emerging contaminants
  • Contaminants of Emerging concern: detection and remediation
  • Use of Zero Valent Iron and Bimetals for remediation of contaminated waters
  • Pollution remediation with permeable reactive barriers
  • Phytoremediation of heavy metals and organics from soil and water
  • Advanced water treatment systems
  • Nanotechnology Applications for water purification


International Journal Publications

  1. Grappling with COVID-19 by imposing and lifting non-pharmaceutical interventions in Sri Lanka: A modeling perspective (2021).

    M. Jayaweera, C. Dannangoda, D. Dilshan, J. Dissanayake, H. Perera, J. Manatunge, B. Gunawardana.
    Infectious Disease Modelling, Volume 6, Pages 820-831.
  2. Nitrate removal in potable groundwater by nano zerovalent iron under oxic conditions (2020).

    J. Kodikara, B. Gunawardana, M. Jayaweera, M. Sudasinghe, J. Manatunge.
    Water Practice and Technology, First Online 10th September 2020, 15(4): 1126–1143.
  3. Migration of phthalates from PET water bottle in events of repeated uses and associated risk assessment (2020).

    M. Jayaweera, H. Perera, N. Bandara, G. Danushika, B. Gunawardana, C. Somaratne, J. Manatunge, K. Zoysa, T. Thathsara.
    Environmental Science and Pollution Research, First Online 08 July 2020, 27: 39149–39163.
  4. Transmission of COVID-19 virus by droplets and aerosols: A critical review on the unresolved dichotomy (2020).

    M. Jayaweera, H. Perera, B. Gunawardana, J. Manatunge.
    Environmental Research, First Online 13 June 2020, 188: 109819.
  5. Effect of O2, Ni0 coatings, and iron oxide phases on pentachlorophenol dechlorination by zero-valent iron (2019).

    B. Gunawardana, P.J. Swedlund, N. Singhal.
    Environmental Science and Pollution Research, Volume 26, Issue 27, Pages 27687-27698, First Online 23 July 2019.
  6. Management of municipal solid waste open dumps immediately after collapse: A novel perspective from Meethotamulla open dump, Sri Lanka (2019).

    M. Jayaweera, B. Gunawardana, M. Gunawardane, A. Karunawardena, V. Dias, S. Premasiri, J. Dissanayake, J. Manatunge, N. Wijeratne, D. Karunarathne, S. Thilakasiri.
    Waste Management, Volume 95, 15 July 2019, Pages 227-240.
  7. Use of CaO loaded mesoporous alumina for defluoridation of potable groundwater containing elevated calcium levels (2019).

    M. Jayaweera, M. Sudasinghe, B. Gunawardana, A. Peiris, J. Manatunge.
    Environments, Volume 6, Issue 6, Page 66.
  8. Defluoridation of calcium-rich groundwater using iron oxide nanoparticles (2019).

    M. Sudasinghe, M. Jayaweera, B. Gunawardana, J. Manatunge, G. Madhusanka.
    Water Practice and Technology, Volume 14, Issue 3, Pages 665-681.
  9. Urban Watercourses in Peril: Implications of Phthalic Acid Esters on Aquatic Ecosystems Caused by Urban Sprawl (2019).

    M. Jayaweera, G. Danushika, N. Bandara, J. Dissanayake, B. Gunawardana, J. Manatunge, K. Zoysa.
    Water, Volume 11, Issue 3, Pages 519.
  10. Characteristics of pipe corrosion scales in untreated water distribution system and effect on water quality in Peshawar, Pakistan (2019).

    D. F. Shams, S. Islam, B. Shi, W. Khan, B. Gunawardana, M. Saad, M. Qasim, H. A. Javed, S. G. Afridi, M. Naeem, G. S. Khan.
    Environmental Science and Pollution Research, Volume 26, Issue 6, Pages 5794-5803.
  11. Pentachlorophenol dechlorination with zero valent iron: a Raman and GCMS study of the complex role of surficial iron oxides (2018).

    B. Gunawardana, P.J. Swedlund, N. Singhal, M. K. Nieuwoudt.
    Environmental Science and Pollution Research, Volume 25, Issue 18, Pages 17797-17806.
  12. Glyphosate and AMPA of agricultural soil, surface water, groundwater and sediments in areas prevalent with chronic kidney disease of unknown etiology, Sri Lanka (2018).

    S. Gunarathna, B. Gunawardana, M. Jayaweera, J. Manatunge, Kasun Zoysa.
    Journal of Environmental Science and Health, Part B; Pesticides, Food Contaminants, and Agricultural Wastes, Volume 53, Issue 11, Pages 729-737.
  13. Degradation of Chlorinated Phenols by Zero Valent Iron and Bimetals of Iron: A Review (2011).

    B. Gunawardana, N. Singhal.
    Environmental Engineering Research, Volume 16, Issue 4, Pages 187-203.
  14. Effects of amendments on copper, cadmium and lead phytoextraction by Lolium perenne from multiple-metal contaminated solution (2011).

    B. Gunawardana, N. Singhal, A. Johnson.
    International Journal of Phytoremediation, Volume 13, Issue 3, Pages 215-232.
  15. Amendments and their combined application for enhanced copper, cadmium, lead uptake by Lolium perenne (2010).

    B. Gunawardana, N. Singhal, A. Johnson.
    Plant and Soil, Volume 329, Issue 1-2, Pages 283-294.
  16. Amendments for enhancing copper uptake by Brassica juncea and Lolium perenne from solution (2009).

    A. Johnson, B. Gunawardana, N. Singhal.
    International Journal of Phytoremediation, Volume 11, Issue 3, March, Pages 215-234.
  17. ED-WAVE: An educational software for training in wastewater technologies using virtual application sites (2007).

    P. Paraskeva, E. Diamadopoulos, M. Balakrishnan, V.S. Batra, A. Kraslawski, Y. Avramenko, N. Ratnayake, B. Gunawardana, D. Gutierrez, O. Anson, T. Mungcharoen.
    International Journal of Engineering Education, Volume 23, No. 6, pp. 1172-1181, Great Britain.

National Journal Publications

  1. Seven-layer and Two-layer Domestic Filters for the Removal of Nephrotoxic Constituents in CKDu prevalent Areas, Sri Lanka: Are these Viable Options? (2019)

    M.I. Sudasinghe, W.B. Gunawardana, M.W. Jayaweera, R.A.T.N. Ranasinghe.
    Engineer: Journal of the Institution of Engineers, Sri Lanka, Volume 52, Issue 01, Pages 11-20.

International Conference Publications

  1. Occurrence of Bisphenol A in Bolgoda Lake Receiving Leachate from a Solid Waste Open Dump: A Silent Killer of a Healthy Ecosystem (2021)

    H. Matharage, M. Jayaweera, N. Bandara, B. Gunawardana.
    Proceedings of the International Conference: From Innovation To Impact (FITI), Colombo, Sri Lanka, IEEE, pp. 1-5, doi: 10.1109/FITI54902.2021.9833066.
  2. Coal Bottom Ash as an Anthropogenic Soil to Prevent Soil Erosion during Post Mine Rehabilitation in Sri Lanka (2021)

    S. Suloshini, A.S. Ranathunga, S.A.S. Kulathilaka, W.B. Gunawardana.
    Proceedings of the International Conference on Geotechnical Engineering (ICGE-Colombo-2021), 06-07 Dec 2021, Colombo, Sri Lanka, Sri Lankan Geotechnical Society (SLGS).
  3. Prediction of Compaction Characteristics of Coal Bottom Ash (2021)

    S. Suloshini, A.S. Ranathunga, S.A.S. Kulathilaka, W.B. Gunawardana.
    Moratuwa Engineering Research Conference (MERCon), Moratuwa, Sri Lanka, pp. 25-30, doi: 10.1109/MERCon52712.2021.9525782.
  4. Utilization of Bottom Ash for Clay Mine Rehabilitation (2022)

    S. Suloshini, A.S. Ranathunga, S.A.S. Kulathilaka, B. Gunawardana, M.M.S.T.M. Mapa.
    In: Dissanayake, R., et al. (eds) ICSBE 2020. Lecture Notes in Civil Engineering, vol 174. Springer, Singapore. https://doi.org/10.1007/978-981-16-4412-2_9.
  5. Use of Ultra-Violet assisted Titanium Dioxide Photocatalysis for the Removal of Di (2-ethylhexyl) Phthalate from Industrial Wastewaters (2019)

    G. Danushika, M. Jayaweera, N. Bandara, J. Manatunge, B. Gunawardana.
    Moratuwa Engineering Research Conference (MERCon), 5th International Multidisciplinary Engineering Research Conference, July 3-5, 2019, Pages 320-324.
  6. Use of Modified Coal-derived Fly Ash for di-(2-ethylhexyl) phthalate removal from wastewater (2019)

    M. Jayaweera, H.P.I.D. Karunathilaka, U.A.A.G. Danushika, N.J.G.J. Bandara, B. Gunawardana, J. Manatunge.
    IWA Water and Development Congress & Exhibition, 2019, Colombo, Sri Lanka.
  7. Pentachlorophenol dechlorination water treatment with zero valent iron: Column study (2019)

    B. Gunawardana, N. Singhal, P.J. Swedlund.
    Proceedings of the 75th Annual sessions of Sri Lanka Association for the Advancement of Science (SLAAS), Colombo, Sri Lanka.
  8. Management of Leachate generated from Long-term Degradables of Municipal Solid Waste (MSW) in Open Dumps using Effective Microorganisms (EM) Technology (2019)

    S.U. Panagoda, N.J.G.J. Bandara, M.W. Jayaweera, W.B. Gunawardana.
    Proceedings of the 24th International Forestry and Environment Symposium-2019, University of Sri Jayewardenepura, Sri Lanka.
  9. Evaluation of the water quality of community managed water supply schemes in Matara district (2019)

    A.M. Asarudeen, T. Chaminda, K.C. Ellawala, M.N.M. Shayan, W.B. Gunawardana.
    ACEPS-2019, 7th International Symposium on Advances in Civil and Environmental Engineering Practices for sustainable development, Faculty of Engineering, University of Ruhuna, Sri Lanka, pp 113-117.
  10. Faecal Decontamination of Potable Water using Silver Oxide Nanoparticles (2018)

    M.I. Sudasinghe, M.W. Jayaweera, J.M.A. Manatunge, W.B. Gunawardana, K.G.L. Indrachapa.
    ACEPS-2018, 6th International Symposium on Advances in Civil and Environmental Engineering Practices for sustainable development, Faculty of Engineering, University of Ruhuna, Sri Lanka.
  11. Migration of Phthalic Acid Esters from PET Water Bottles: Implications of Reusing Empty Bottles for Storing Ambient and Warm Water for Subsequent Consumption (2018)

    P.H.G. Perera, N.J.G.I. Bandara, U.A.A.G. Danushika, M.W. Jayaweera, M.C.W. Somaratne, S.K.T. Thathsara, B. Gunawardana, J.M.A. Manatunge.
    Proceedings of the 23rd International Forestry and Environment Symposium-2018, University of Sri Jayewardenepura, Sri Lanka.
  12. Risk Assessment of the active ingredient, Glyphosate of the herbicide Roundup present in water sources of CKDu prevalent areas for humans (2017)

    S. Gunarathna, B. Gunawardana, M. Jayaweera, K. Zoysa.
    Annual Sessions of IESL, Pages 525-530, The Institution of Engineers, Sri Lanka.
  13. Use of Ozonation for Degradation of Glyphosate in Potable water of CKDu prevalent areas (2017)

    P.P. Jayasekara, S. Gunarathna, B. Gunawardana, M. Jayaweera, J. Manatunge, K. Zoysa.
    Proceedings of the KDU-IRC: International Research Conference, Kotelawala Defence University, Sri Lanka (August 2017).
  14. Use of Photocatalysis for Degradation of Glyphosate in potable water of CKDu prevalent areas (2017)

    P.P. Jayasekara, S. Gunarathna, B. Gunawardana, M. Jayaweera, J. Manatunge, K. Zoysa.
    Proceedings of the 22nd International Forestry and Environment Symposium, University of Sri Jayewardenepura, Sri Lanka (October 2017).
  15. Suitability of Clay Water Filter for the Removal of Nephrotoxic Constituents in CKDu Prevalent Areas (2017)

    S.Y.S. Dulshan, M.I. Sudasinghe, M.W. Jayaweera, J.M.A. Manatunge, W.B. Gunawardana.
    Proceedings of the 22nd International Forestry and Environment Symposium-2017, University of Sri Jayewardenepura, Sri Lanka.
  16. Effect of Degree of Chlorination on Chlorophenols Dechlorination Water Treatment with Bimetallic Iron (2016)

    B. Gunawardana, P.J. Swedlund, N. Singhal.
    8th International Perspective on Water Resources and the Environment. American Society of Civil Engineers / Environmental and Water Resources Institute, Colombo, Sri Lanka.
  17. Is commercially available Reverse Osmosis Filtration capable enough to protect the Health of subjects of Chronic Kidney Disease of unknown Etiology (CKDu)? (2016)

    N. Ratnayake, B. Gunawardana, J. Manathunge, M. Jayaweera, M. Sudasinghe.
    8th International Perspective on Water Resources and the Environment. American Society of Civil Engineers / Environmental and Water Resources Institute, Colombo, Sri Lanka.
  18. Suitability of Domestic Reverse Osmosis units for Drinking Water purification in the Chronic Kidney Disease of unknown Etiology (CKDu) Prevalent Areas (2016)

    J. Manatunge, N. Ratnayake, M. Jayaweera, B. Gunawardana, S. Imbulana.
    8th International Perspective on Water Resources and the Environment. American Society of Civil Engineers / Environmental and Water Resources Institute, Colombo, Sri Lanka.
  19. Removal Potential of Cadmium, Aluminum and Excessive hardness in Dietary intake (Water) in Chronic Kidney Disease of unknown Etiology (CKDu) Prevalent Areas by Household Nano-filtration units (2016)

    M. Jayaweera, N. Rathnayake, J. Manathunge, B. Gunawardana, S. Gunarathna.
    8th International Perspective on Water Resources and the Environment. American Society of Civil Engineers / Environmental and Water Resources Institute, Colombo, Sri Lanka.
  20. Soil contamination by direct disposal of Reverse Osmosis reject water onto the ground in the Chronic Kidney Disease of unknown etology (CKDu) prevalent areas (2016)

    P.A.V.G. Jayathilaka, W.B. Gunawardana.
    Proceedings of the Civil Engineering Research Symposium, University of Moratuwa, Sri Lanka (December 2016).
  21. Removal of Fluoride and Hardness in Dietary Intake (water) in Chronic Kidney Disease of unknown Etiology (CKDu) Prevalent Areas by Domestic Reverse Osmosis Units (2015)

    S.M. Imbulana, B. Gunawardana, M. Jayaweera, J. Manatunge, A.A.S.U. Gunarathna, M.I. Sudasinghe.
    Proceedings of the 20th International Forestry and Environment Symposium, University of Sri Jayewardenepura, Sri Lanka (October 2015).
  22. Removal of Fluoride and Hardness in Dietary intake (water) in Chronic Kidney Disease of Unknown Etiology (CKDu) Prevalent Areas by Nanofiltration (2015)

    S.T. Siriwardana, M. Jayaweera, J. Manatunge, B. Gunawardana, A.A.S.U. Gunarathna, M.I. Sudasinghe.
    Proceedings of the 20th International Forestry and Environment Symposium, University of Sri Jayewardenepura, Sri Lanka (October 2015).
  23. Use of Reverse Osmosis Reject Water for Value Addition in Coco Substrate Industry (2015)

    J.A.M. Wijeratna, M. Jayaweera, J. Manatunge, B. Gunawardana, A.A.S.U. Gunarathna, M.I. Sudasinghe.
    Proceedings of the 20th International Forestry and Environment Symposium, University of Sri Jayewardenepura, Sri Lanka (October 2015).
  24. Effects of consuming Reverse Osmosis purified water in CKDu affected areas: An application to Anuradhapura (2014)

    M. Sudasinghe, N. Ratnayake, M. Jayaweera, J. Manathunga, B. Gunawardana, P. Herath.
    Proceedings of the 19th International Forestry and Environment Symposium, University of Sri Jayewardenepura, Sri Lanka (October 2014).
  25. Effect of Degree of Chlorination on Chlorophenols Dechlorination Water Treatment with Zero Valent Iron (2014)

    B. Gunawardana, P.J. Swedlund, Naresh Singhal.
    Proceedings of the KDU-IRC: International Research Conference, Kotelawala Defence University, Sri Lanka (August 2014).
  26. Effect of Nitrate on the Pentachlorophenol Dechlorination Water treatment with Zero Valent Iron (2014)

    B. Gunawardana, P.J. Swedlund, Naresh Singhal.
    Proceedings of the iPURSE: Peradeniya University International Research Sessions, Sri Lanka (July 2014).
  27. Dechlorination of Pentachlorophenol by Zero Valent Iron and Bimetals: Effect of Surface Characteristics and Bimetal Preparation Procedure (2011)

    B. Gunawardana, N. Singhal, J-W. Park.
    Proceedings of the 27th Annual International Conference on Soils, Sediments, Water, and Energy, Amherst, MA, USA (October 2011).
  28. Enhanced Pentachlorophenol degradation by bimetallic and cationic surfactant modified Zero Valent Iron (2009)

    B. Gunawardana, N. Singhal, J-W. Park.
    Proceedings of the 3rd IWA-ASPIRE Conference & Exhibition, Taipei, Taiwan, October 18–22, 2009.
  29. ED-WAVE: An e-learning tool for training on technologies for efficient water use (2004)

    O. Anson, D. Gutierrez, F.J. Seron, A. Muñoz, M. Balakrishnan, V.S. Batra, E. Diamadopoulos, P. Paraskeva, A. Kraslawski, Y. Avramenko, N. Ratnayake, B. Gunawarrdana, T. Mungcharoen.
    Proceedings of the IADIS International Conference e-Society, Ávila, Spain, 16-19 July, Volume 1, pp. 347-354.

National Conference Publications

  1. Pentachlorophenol dechlorination water treatment with zero valent iron: Column study (2019)

    B. Gunawardana, N. Singhal, P.J. Swedlund.
    Proceedings of the 75th Annual sessions of Sri Lanka Association for the Advancement of Science (SLAAS), Colombo, Sri Lanka.
  2. Soil contamination by direct disposal of Reverse Osmosis reject water onto the ground in the Chronic Kidney Disease of unknown etology (CKDu) prevalent areas (2016)

    P.A.V.G. Jayathilaka, W.B. Gunawardana.
    Proceedings of the Civil Engineering Research Symposium, University of Moratuwa, Sri Lanka (December 2016).

Book Chapters

  1. Chlorophenols Dechlorination Water Treatment Using Ni-Iron Bimetallic Systems:
    Implications of the Degree of Chlorination, Nickel Coating, and Iron Oxide Phases (2021).

    Buddhika Gunawardana, Naresh Singhal, and Peter J. Swedlund. Contaminants in Drinking and Wastewater Sources: Challenges and Reigning Technologies.
    Springer Transactions in Civil and Environmental Engineering. Editors: Manish Kumar, Daniel D. Snow, Ryo Honda, Santanu Mukherjee.
    ISBN 978-981-15-4598-6; ISBN 978-981-15-4599-3 (eBook).
    DOI: 10.1007/978-981-15-4599-3.
    © Springer Nature Singapore Pte Ltd. 2021.

  2. Evaluation of Water Quality of Community Managed Water Supply Schemes (CMWSS) in Galle District (2020).

    M. N. M. Shayan, G. G. Tushara Chaminda, K. C. Ellawala, and W. B. Gunawardana.
    Resilience, Response, and Risk in Water Systems: Shifting Management and Natural Forcings Paradigms.
    Springer Transactions in Civil and Environmental Engineering.
    Editor-in-Chief: T. G. Sitharam, Department of Civil Engineering, Indian Institute of Science, Bengaluru, Karnataka, India.
    ISBN 978-981-15-4667-9; ISBN 978-981-15-4668-6 (eBook).
    DOI: 10.1007/978-981-15-4668-6.
    © Springer Nature Singapore Pte Ltd. 2020.

Some of the Research Monographs

  • Educational tool on technologies for efficient water use using virtual application sites (ED-WAVE).
    Compiled by O. Anson, D. Gutierrez, F. J. Seron, A. Muñoz, M. Balakrishnan, V. S. Batra, E. Diamadopoulos, P. Paraskeva, A. Kraslawski, Y. Avramenko, N. Ratnayake, B. Gunawardana, T. Mungcharoen (2005).
  • Course Notes — Technologies for Efficient Water Use.
    M. Balakrishnan, P. Paraskeva, N. Ratnayake, B. Gunawardana, T. Mungcharoen et al. (2005).

Newsletter Articles

  1. “Could potable water in CKDu prevalent areas be contaminated with Glyphosate?” (2019).

    Eng. (Dr) Buddhika Gunawardana, Digital SLEN, Sri Lanka Engineering News, The official E-Newsletter of The Institution of Engineers, Sri Lanka; Issue 43, January 2019.
    Link: ioes18.wildapricot.org/ckdu

  2. “Is Aruwakkalu sanitary landfill a viable option for the garbage menace in Colombo?” (2019).

    Eng. (Prof.) Mahesh Jayaweera and Eng. (Dr) Buddhika Gunawardana, Digital SLEN, Sri Lanka Engineering News, The official E-Newsletter of The Institution of Engineers, Sri Lanka; Issue 43, January 2019.
    Link: ioes18.wildapricot.org/article_landfill

  3. “Perils of fecal contamination in Golden Mile of the Mount Lavinia beach: are we circumspect enough?” (2019).

    Eng. (Prof.) Mahesh Jayaweera and Eng. (Dr) Buddhika Gunawardana, Digital SLEN, Sri Lanka Engineering News, The official E-Newsletter of The Institution of Engineers, Sri Lanka; Issue 44, March 2019.
    Link: iesl.lk/SLEN/44/Golden-Mile-Mount-Lavinia.php

  4. “Intriguing levels of phthalic acid esters in coastal urban watercourses of Colombo and its suburbs: A bizarre situation caused by urban sprawl” (2019).

    Eng. (Prof.) Mahesh Jayaweera, Eng. (Prof.) Jagath Manatunge, Eng. (Dr.) Buddhika Gunawardana, Prof. Nilanthi Bandara,
    Digital SLEN, Sri Lanka Engineering News, The official E-Newsletter of The Institution of Engineers, Sri Lanka; Issue 45, May/June 2019.
    Link: iesl.lk/SLEN/45/…phthalic%20acid%20esters…

  5. “Abounding levels of mercury in coastal urban watercourses of Colombo: an imminent impediment to aquatic ecological sustenance” (2019).

    Eng. (Prof.) Mahesh Jayaweera, Eng. (Prof.) Jagath Manatunge and Eng. (Dr.) Buddhika Gunawardana,
    Sathsamudura — Marine Environment Protection Agency (MEPA) News Magazine, October 2019.

  6. “Glyphosate application in Sri Lankan agricultural Lands: do we circumvent Chronic Kidney Disease of unknown etiology?” (2019).

    Dr. Buddhika Gunawardana and Prof. Mahesh Jayaweera, International Water Association (IWA) Publishing — IWA Blog on current environmental issues, October 2019.
    Link: iwa-network.org/chronic-kidney-disease-of-unknown-etiology-in-sri-lanka/

  7. “Solving the Water Crisis in CKDu Prevalent Areas: Need for a New Technology Development for Water Purification.” (2015).

    Rathnayake, N., Sudasinghe, M. I., Gunawardana, B., Jayaweera, M. W., Manathunga, J. M. A.
    E-Update, EWRI Currents Spring 2015, Environmental and Water Resources Institute (EWRI), American Society of Civil Engineers, published on 04 May 2015.
    Link: issuu.com/asce-ewri/docs/springcurrentsissuu