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Table 4 Mould spore concentration (total counts) per g house dust of the 63-μm fraction vs. the total dust fraction

From: Evaluation of errors and limits of the 63-μm house-dust-fraction method, a surrogate to predict hidden moisture damage

No. 63-μm dust (cfu/g) Total dust (cfu/g) Factor Remark
1 156,500 156,000 1.0 Living-room
2 616,000 554,000 1.1 Bedroom
3 2,250,000 1,450,000 1.5 Home
4 97,000 60,000 1.6 Living-room
5 82,000 39,000 2.1 Office
6 272,000 116,000 2.3 Living-room
7 93,000 33,000 2.8 Office
8 120,000 31,000 3.9 Office
9 683,000 115,000 5.9 Living-room
10 71,000 10,000 7.1 Office
11 360,000 44,500 8.1 Office
12 833,000 78,000 10.7 Living-room
13 1,366,000 93,000 14.7 Attic