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Table 2 Summary of air sampling results: air mould concentrations (NAHA activity in RFU), temperature (T) and relative humidity (RH) at the time of testing (°C and %, respectively) and particle counts (for each individual channel and total value)

From: Indoor mould testing in a historic building: Blickling Hall

Room NAHA activity (RFU) T (°C) RH (%) Particle count (Actively measured for all rooms except for basement)
0.3 μm 0.5 μm 1.0 μm 2.5 μm 5.0 μm 10 μm Total
Long Gallery 9 13.4 61.6 212,218 64,197 8440 850 127 77 285,909
Upper Ante-Room 36 13.0 63.4 216,647 63,924 7824 782 115 69 289,361
Peter the Great Room 120 13.6 56.0 218,315 62,659 8313 890 138 86 290,401
State Bedroom 124 13.6 55.3 222,814 70,078 9158 978 132 121 303,281
Brown Drawing Room 475 14.3 57.9 253,258 80,414 11,407 1456 215 297 347,047
Lower Ante-Room 111 15.1 57.3 225,425 72,185 10,676 1391 244 275 310,196
Chinese Bedroom 62 13.2 59.0 203,921 52,282 7212 784 118 110 264,427
Basement N/A 15.1 53.9 491,232 161,517 19,428 1770 187 81 674,215