Table 2 Quantitative estimates of microbial biomass on kitchen coupons and bathrooms tiles
From: Microbes and associated soluble and volatile chemicals on periodically wet household surfaces
| Â | Sample | Bacteria | Fungi |
|---|---|---|---|
Sampling 1 | |||
Kitchen coupons | KC.1 | 2,300,000 ± 900,000 | 251,000 ± 94,000 |
KC.2 | 3,800,000 ± 200,000 | 122,000 ± 5,000 | |
KC.3 | 229,000 ± 65,000 | 17,000 ± 5,000 | |
KC.4 | 1,200,000 ± 140,000 | 226,000 ± 23,000 | |
Average | 1,900,000 | 154,000 | |
Bathroom tiles | BT.1 | 36,000 ± 2,000 | 8,500 ± 4,000 |
BT.2 | 26,700 ± 200 | 10,200 ± 3,000 | |
BT.3 | 200 ± 6 | 800 ± 500 | |
Average | 21,000 | 6500 | |
Sampling 2 | |||
Kitchen coupons | KC.5 | 574,000 ± 46,000 | 51,300 ± 8,000 |
KC.6 | 887,000 ± 25,000 | 52,200 ± 6,000 | |
KC.7 | 2,870,000 ± 1,500,000 | 60,900 ± 9,000 | |
KC.8 | 404,000 ± 5,000 | 17,900 ± 6,000 | |
KC.9 | 4,620,000 ± 40,000 | 25,700 ± 2,000 | |
KC.10 | 378,000 ± 12,000 | 19,900 ± 8,000 | |
Average | 1,622,000 | 38,000 | |
Bathroom tiles | BT.4 | 780 ± 30 | 100 ± 80 |
BT.5 | 4,900 ± 200 | –a | |
BT.6 | 7,800 ± 600 | 500 ± 100 | |
BT.7 | 3,700 ± 100 | 2200 ± 22,000 | |
Average | 4,300 | 700 | |