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Dr Carmel Ramwell

Specialist in environmental and human risk assessment of chemicals.

Carmel specialises in environmental and human exposure to chemicals in urban and residential areas (e.g. non-agricultural pesticides and household products), and leads our activities relating to the fate and behaviour of plant toxins in the environment. She is also proficient in investigating the impact that agri-environment schemes and other policy drivers have on soil/ water quality and ecosystem services.

Carmel holds a BSc in Geography and a PhD in Natural Sciences from Universities of Leeds and Sheffield, respectively. Before joining Fera in 2004, she was a research scientist at the Cranfield Centre for EcoChemistry.

Carmel loves the outdoors, caving and fell running.

Key achievements:

  • Named contact in the UK for any aspect of the HardSPEC model - the regulatory tool used to undertake environmental risk assessments in relation to herbicide use on hard surfaces
  • Member of the UK Hard Surfaces Steering Group
  • Recycling of home & garden pesticides - policy advice has been amended to allow the recycling of ready-to-use pesticide containers in household waste based on Carmel's work
  • Carmel contributes very actively to the scientific community by presenting at and attending international conferences

Key publications:

  • Ramwell CT, Kah M and Johnson P (2014) Contribution of household herbicide usage to glyphosate & its degradate, AMPA, in surface water drains. Pest Management Science 70, 12, 1823-1830
  • Ramwell CT and Boatman ND (2010) Assessing the impact of environmental stewardship on the protection of water resources. Aspects of Applied Biology 100, 175-180
  • Stoate, C, Baldi, A, Beja, P, Boatman, N. D.,Herzon, I., van Doorn, A., de Snoo, G. R., Rakosy, L., Ramwell, C. (2009) Ecological impacts of early 21st century agricultural change in Europe - A review. Journal of Environmental Management, 91,1, 22-46
  • Ramwell CT, Leak J, Cooper SE, Taylor WA (2007). The potential environmental impact of pesticides removed from sprayers during cleaning. Pest Management Science 63 1146-1152
  • Ramwell C.T., Johnson P.D. and Corns H. (2005). Transferability of six pesticides from agricultural sprayer surfaces, Annals of Occupational Hygiene, 50, 323-329
  • Ramwell C.T., Johnson P.D., Boxall A.B.A. and Rimmer D.A. (2005) Pesticide residues on the external surfaces of field-crop sprayers: Occupational exposure, Annals of Occupational Hygiene, 49, 345-350

Contact Carmel:


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Telephone: +44 (0)1904 462485

Office address: Fera Science Ltd. (Fera), National Agri-Food Innovation Campus, Sand Hutton, York, YO41 1LZ

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