Williams, K R; Bradshaw, C P; Ciupek, K; Singh, G K; Tompkins, J T; Brown, A S; Butterfield, D M; Derby, A T; Farooq, M H; Harvey, R N; Kazemimanesh, M; Longhurst, B A; Kean, M N; Robins, C C; Schmeer, J L; Tipler, J M; Tomson, M; Walker, D J W; Priestman, M D S; Tremper, A H; Ek, D E B; Green, D C; Punter, P B (2026) UK Particle Concentrations and Numbers and Black Carbon Networks: Annual report 2025. NPL Report. ENV 68

Williams, K R; Cheong, J H L; Adams, A; Bradshaw, C P; Braysher, E C; Brown, A S; Brown, R J C; Butterfield, D M; Coulson, S A; Lines, K J; Robins, C C; Schmeer, J L; Showman, Y A (2026) UK Heavy Metals Monitoring Network Annual Report 2025. NPL Report. ENV 67

Williams, K R; Ciupek, K; Tompkins, J T; Brown, A S; Allerton, J J; Butterfield, D M; Kean, M N; Robins, C C; Schmeer, J L; Singh, G K; Tipler, J M; Tomson, M; Walker, D J W; Priestman, M D S; Tremper, A H; Ek, D E B; Green, D C (2025) Airborne Particle Concentrations, Particle Numbers and Black Carbon in the United Kingdom - Annual Report 2024. NPL Report. ENV 61