Dave Worton

Dave Worton is the Science Area Leader for NPL’s Gas Metrology Group, providing the traceability that underpins gas composition measurements related to climate, air quality, health, advanced manufacturing, energy trading and fuel quality. Dave’s current research interests are focused around isotopic reference materials for deconvoluting natural and man-made greenhouse gas emissions, nitrogen dioxide reference materials to underpin direct measurements in ambient air and multicomponent volatile organic compounds reference materials to improve the comparability of online chemical ionisation instruments like proton transfer reaction mass spectrometry (PTR-MS) and select ion flow tube mass spectrometry (SIFT-MS).

He received a First Class Bachelors degree in Chemistry from the University of Nottingham, a Masters degree with distinction in Environmental Geochemistry from the University of Leeds, and a PhD in Atmospheric Chemistry from the University of East Anglia. Prior to joining NPL in 2015, he was a Research Specialist at the University of California, Berkeley and a Research Associate at Aerosol Dynamics Inc. Dave has over 20 years' experience of gas chromatography and mass spectrometry techniques and has published over 60 peer-reviewed papers. He is a Chartered Chemist and a Fellow of the Royal Society of Chemistry and represents NPL at the Euramet-TC MC, CCQM Gas Analysis Working Group and on the BSI EH/2/3 and CEN TC264 standardisation committees.

Selected Publications

• E. Flores, J. Viallon, P. Moussay, R. Wielgosz, U. Shinji, D. Cierciora, F. Rolle, M. Sega, O. Sang-Hyub, T. Mace, C. Sutour, C. Pascale, T. Zhang, D. Wang, H. Guo, Q. Han, D. Smeulders, M. Jozela, N. Godwill Ntsasa, J. Tshilongo, T. Mphamo, S Van Aswegen, D. R. Worton, P. Brewer, M. Valkova, T. Tarhan, O. Efremova, L. Konopelko, I. de Krom, S. Persijn, A. van deer Veen (2021). International comparison CCQM-K74.2018: Nitrogen dioxide, 10 µmol mol^-1, Metrologia, 58(1A) 08018, doi: 10.1088/0026-1394/58/1a/08018.
• R. E. Hill-Pearce, A. Hillier, E. Mussell Webber, K. Charoenpornpukdee_, S. O’Doherty, J. Mohn, Christoph Zellweger, D. R. Worton, P. J. Brewer (2021).^. Gas reference materials for underpinning atmospheric measurements of stable isotopes of nitrous oxide, Atmospheric Measurement Techniques, 14, 5447–5458, doi: 10.5194/amt-2021-45.
• D. R. Worton (2020). Future adoption of direct measurement techniques for regulatory measurements of nitrogen dioxide: Drivers and challenges (Viewpoint). Environmental Science and Technology, 54, 14785–14786, doi: 10.1021/acs.est.0c04709.
• R. Holzinger, W. J. F. Acton, W. J. Bloss, M. Breitenlechner, L. R. Crilley, S. Dusanter, M. Gonin, V. Gros, F. N. Keutsch, A. Kiendler-Scharr, L. J. Kramer, J. E. Krechmer, B. Languille, N. Locoge, F. Lopez-Hilfiker, D. Materić, S. Moreno, E. Nemitz, L. L. J. Quéléver, R. S. Esteve, S. Sauvage, S. Schallhart, R. Sommariva, R. Tillmann, S. Wedel, D. R. Worton, K. Xu, and A. Zaytsev (2019). Validity and limitations of simple reaction kinetics to calculate concentrations of organic compounds from ion counts in PTR-MS. Atmospheric Measurement Techniques, 12, 6193–6208, https://doi.org/10.5194/amt-12-6193-2019.
• G. C. Rhoderick, W. R. Miller, C. E. Cecelski, D. R. Worton, S. Moreno, P. J. Brewer, J. Viallon, F. Idrees, P. Moussay, Y. Doo Kim, D. Ho Kim, S. Lee, A. Baldan and J. Li (2019). Stability of gaseous volatile organic compounds contained in gas cylinder with different internal wall treatments. Elementa: Science of the Anthropocene, 7 (1), p28. doi: 10.1525/elementa.366.

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