Ciupek, K; Tompkins, J; Williams, K; Brown, A; Robins, C; Allerton, J; McGhee, E; Kantilal, V; Walker, D; Bradshaw, C; Lilley, A; Butterfield, D; Brown, R J C; Priestman, M; Tremper, A; Ek, D; Green, D (2024) Airborne particle concentrations, particle numbers, and black carbon in the United Kingdom - annual report 2023. NPL Report. ENV 57

Ciupek, K; McGhee, E; Tompkins, J; Williams, K; Brown, A; Butterfield, D; Allerton, J; Bradshaw, C; Lilley, A; Kantilal, V; Robins, C; Sweeney, B; Brown, R J C; Priestman, M; Fuller, G; Green, D; Tremper, A (2023) Airborne Particle Concentrations, Particle Numbers and Black Carbon in the United Kingdom - Annual report 2022. NPL Report. ENV 50

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

Ciupek, K; McGhee, E; Tompkins, J; Williams, K; Brown, A; Butterfield, D; Karimi, C; Allerton, J; Bradshaw, C; Buckley, P; Lilley, A; Robins, C; Sweeney, B; Brown, R; Quincey, P; Sims, A; Priestman, M; Font Font, A; Fuller, G; Green, D; Tremper, A (2022) Airborne particle concentrations, particle number and black carbon in the United Kingdom - annual report 2020. NPL Report. ENV 42

Ciupek, K; McGhee, E; Tompkins, J; Williams, K; Brown, A; Butterfield, D; Allerton, J; Bradshaw, C; Buckley, P; Lilley, A; Kantilal, V; Robins, C; Sweeney, B; Brown, R; Priestman, M; Font Font, A; Fuller, G; Green, D; Tremper, A (2022) Airborne particle concentrations, particle number and black carbon in the United Kingdom - annual report 2021. NPL Report. ENV 43

Tompkins, J; McGhee, E; Ciupek, K; Williams, K; Robins, C; Allerton, J; Quincey, P; Brown, A; Brown, R J C; Green, D; Tremper, A; Priestman, M; Font Font, A (2021) Airborne particulate concentrations and numbers in the United Kingdon: Annual Report 2019. NPL Report. ENV 39

Allerton, J; Tompkins, J; Matsakas, F; Butterfield, D; Brown, A; Buckley, P (2021) Testing of a fume and dust extraction system as mitigation for aerosol generating procedures in a dental surgery. NPL Report. ENV 41

Butterfield, D; Tompkins, J (2021) Measurement of Airborne Particles in a Dental Practice using Multiple Optical Particle Counter Instruments. NPL Report. ENV 37

Tompkins, J; Quincey, P; Allerton, J; Williams, K (2020) Feasibility study on the detection of airborne particulates in a dental surgery using an optical particle counter. NPL Report. National Physical Laboratory. ENV 33

Tompkins, J; McGhee, E; Ciupek, K; Williams, K; Robins, C; Allerton, J; Quincey, P; Brown, R; Green, D; Tremper, A; Priestman, M; Font Font, A (2020) Airborne particulate concentrations and numbers in the United Kingdom. Annual report 2018. NPL Report. ENV 32

Tompkins, J; Williams, P I; Trembath, J; Coleman, M; Innocenti, F; Quincey, P; Gardiner, T (2018) Multiport particle chamber validation for particle number concentrations using condensation particle counters. Measurement, 124. pp. 426-435.

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

Sharpe, J P*; Koukoulas, T; Piper, B; Sungar, N*; Tompkins, J (2017) Impact of tracer particle size on optical measurement of sound fields. Appl. Acoust., 120. pp. 54-58.

Beccaceci, S; McGhee, E; Robins, C; Butterfield, D; Tompkins, J; Quincey, P; Brown, R J C; Green, C; Tremper, A; Priestman, M; Font Font, A (2016) Airborne Particulate Concentrations and Numbers in the United Kingdom (phase 3) Annual report 2015. NPL Report. ENV 11

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

Beccaceci, S; McGhee, E; Robins, C; Butterfield, D M; Tompkins, J; Quincey, P G; Brown, R J C; Brennan, S; Green, D*; Tremper, A*; Priestman, M*; Font Font, A* (2015) Airborne particulate concentrations and numbers in the United Kingdom (phase 3), annual report 2014. NPL Report. ENV 6

Gardiner, T D; Coleman, M D; Innocenti, F; Tompkins, J; Connor, A; Garnsworthy, P C*; Moorby, J M*; Reynolds, C K*; Waterhouse, A*; Wills, D* (2015) Determination of the absolute accuracy of UK chamber facilities used in measuring methane emissions from livestock. Measurement, 66. pp. 272-279.

Beccaceci, S; McGhee, E; Robins, C; Tompkins, J; Quincey, P; Brown, R J C; Butterfield, D M; Green, D*; Tremper, A*; Priestman, M*; Font Font, A*; Jones, A* (2014) Airborne particulate concentrations and numbers in the United Kingdom (phase 3). Annual report 2013. NPL Report. AS 93

Beccaceci, S; Mustoe, C L; Butterfield, D M; Tompkins, J; Sarantaridis, D; Quincey, P; Brown, R J C; Green, D*; Fuller, G*; Tremper, A*; Font Font, A*; Jones, A* (2013) Airborne Particulate Concentrations and Numbers in the United Kingdom (phase 3). Annual report 2012. NPL Report. AS 83

Beccaceci, S; Mustoe, C L; Butterfield, D M; Tompkins, J; Sarantaridis, D; Quincey, P; Brown, R J C; Green, D*; Grieve, A*; Jones, A* (2013) Airborne particulate concentrations and numbers in the United Kingdom (phase 3). Annual report 2011. NPL Report. AS 74

Quincey, P; Beccaceci, S; Butterfield, D M; Sarantaridis, D*; Tompkins, J (2013) Aerosol metrology supporting air quality monitoring in the United Kingdom and Europe. MAPAN, J. Metrol. Soc. India, 28 (3). pp. 145-152.

Tantra, R; Boyd, R; Cackett, A; Fry, A T; Gohil, D D; Goldberg. S,; Lee, J L S; Minelli, C; Peck, R; Quincey, P; Smith, S; Snowden, J; Spencer, S; Tompkins, J; Wang, J; Yang, L (2012) Final Report on the physico-chemical characterisation of PROSPEcT engineered nanomaterials. NPL Report. AS 68

Bell, N C; Minelli, C; Tompkins, J; Stevens, M M*; Shard, A G (2012) Emerging techniques for submicrometer particle sizing applied to Stöber silica. Langmuir, 28 (29). pp. 10860-10872.

Fabrega, J*; Tantra, R; Amer, A*; Stolpe, B*; Tompkins, J; Fry, A T; Lead, J R*; Tyler, C R*; Galloway, T S* (2012) Sequestration of zinc from zinc oxide nanoparticles and life cycle effects in the sediment dweller amphipod corophium volutator. Environ. Sci. Technol., 46 (2). pp. 1128-1135.

Beccaceci, S; Muhunthan, D; Sarantaridis, D; Tompkins, J; Butterfield, D M; Quincey, P; Brown, R J C; Green, D*; Grieve, A*; Fuller, G*; Jones, A* (2011) CPEA 28: Airborne particulate concentrations and numbers in the United Kingdom (phase 2). NPL Report. AS 65

Tantra, R; Cackett, A; Wain, A J; Minelli, C; Gohil, D D; Tompkins, J; Lee, J L S; Wang, J; Yang, L; Quincey, P; Shaw, R M; Spencer, S J; Fry, A T (2010) Interim report on the physico-chemical characterisation of PROSPEcT Nanomaterials. NPL Report. AS 53

Beccaceci, S; Muhunthan, D; Butterfield, D M; Gilham, R; Tompkins, J; Sweeney, B; Brown, R J C; Quincey, P; Green, D*; Alexander, J*; Grieve, A* (2010) CPEA 28: Airborne particulate concentrations and numbers in the United Kingdom (phase 2) 2009 annual audit report. NPL Report. AS 51