Brown, A; Quincey, P; Ebert, V; Nowak, A; Tompkins, J; Hessey, I; Ciupek, K; Schaefer, C; Werhahn, O; Vasilatou, K; Luond, F; Mace, T; Gaie-Levrel, F; Bregonzio-Rozier, L; Oganyan, N; Belenkii, D; Sakurai, H; Murashima, Y; Liu, J; Jung, J; Seeger, S (2023) International Comparison CCQM-K150: Particle number concentration (100 to 20 000 cm-3) and particle charge concentration (0.15 to 3 fC cm-3). NPL Report. ENV 46

Brown, A; Quincey, P; Ebert, V; Nowak, A; Tompkins, J; Hessey, I; Ciupek, K; Schaefer, C; Werhahn, O; Vasilatou, K; Luond, F; Mace, T; Gaie-Levrel, F; Bregonzio-Rozier, L; Oganyan, N; Belenkii, D; Sakurai, H; Murashima, Y; Liu, J; Jung, J; Seeger, S; Wiedensohler, A; Tuch, T; Merkel, M; Weinhold, K (2023) International Comparison CCQM-P189: Particle number concentration (100 to 20 000 cm-3) and particle charge concentration (0.15 to 3 fC cm-3). NPL Report. ENV 47

McGhee, E; Tompkins, J; Hessey, I; Robins, C; Quincey, P; Brown, R; Green, D; Tremper, A; Priestman, M; Font Font, A (2018) Airborne particulate concentrations and numbers in the United Kingdom, annual report 2017. NPL Report. ENV 27

Vaskuri, A; Greenwell, C; Hessey, I; Tompkins, J; Woolliams, E (2018) Contamination and UV ageing of diffuser targets used in satellite inflight and ground reference test site calibrations. Journal of Physics: Conference Series, 972. 012001 ISSN 1742-6588

McGhee, E; Tompkins, J; Hessey, I; Robins, C; Butterfield, D; Quincey, P; Brown, R; Green, D; Tremper, A; Priestman, M; Font Font, A (2017) Airborne Particulate Concentrations and Numbers in the United Kingdom (phase 3), Annual report 2016. NPL Report. ENV 26

Hessey, I; Butterfield, D M; Beccaceci, S; Quincey, P; Sweeney, B; Lilley, A; Bradshaw, C; Fuller, G*; Green, D*; Font Font, A (2017) 2016 Annual Report for the UK Black Carbon network. NPL Report. ENV 21

Tompkins, J; Goddard, S L; Hussain, D; Hessey, I; Brown, R J C; Quincey, P G; Haynes, E (2016) Annual report for 2015 on the UK PAH Monitoring and Analysis Network. NPL Report. ENV 10

Tompkins, J; Beccaceci, S; Goddard, S L; Hussain, D; Hessey, I; Brown, R J C; Quincey, P G; Whiteside, K; Hughey, P; Brennan, S (2015) Annual report for 2014 on the UK PAH monitoring and analysis network. NPL Report. ENV 4