Rosie Chance¹, Lucy V. Brown¹, Yousif Assiri¹, Thomas George Bell², Matthew R Jones¹, David Loades¹, Emma Robinson¹, Charlotte G Stapleton¹, Ming-Xi Yang², Claire E Widdicombe², Liselotte Tinel³ and Lucy Carpenter¹, (1)Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, University of York, York, United Kingdom, (2)Plymouth Marine Laboratory, Plymouth, United Kingdom, (3)IMT- Nord Europe, CERI EE, Université de Lille, Douai, France