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

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

Hayman, G; Yardley, R E; Quincey, P; Butterfield, D M; Green, D*; Alexander, J*; Johnson, P*; Tremper, A* (2008) CPEA 28: Airborne Particulate Concentrations and Numbers in the United Kingdom (phase 2): Annual Report - 2007. NPL Report. AS 25

Yardley, R E; Quincey, P; Butterfield, D M; Green, D*; Alexander, J*; Johnson, P*; Tremper, A* (2007) CPEA 28: Airborne particulate concentrations and numbers in the United Kindom (phase 2). NPL Report. AS 4

Yardley, R E; Quincey, P; Butterfield, D M; Williams, M; Green, D*; Johnson, P*; Tremper, A* (2006) CPEA 28: airborne particulate concentrations and numbers in the United Kingdon (phase 2). Annual report 2005. NPL Report. DQL-AS 028