| 取样时间 | 菌落数 | ||||||||||||||||||||
| W-1 | W-2 | W-3 | W-4 | W-5 | W-6 | W-7 | W-8 | W-9 | W-10 | W-11 | W-12 | W-13 | W-14 | W-15 | W-16 | W-17 | W-18 | W-19 | W-20 | W-21 | |
| 2019-01-14 | 63 | 15 | 39 | 29 | 144 | 265 | >300 | 96 | 142 | 119 | 38 | 97 | >300 | 19 | 53 | >300 | >300 | 175 | 159 | 68 | 28 |
| 2019-01-21 | 32 | 7 | 7 | 9 | >300 | >300 | >300 | 76 | 219 | 88 | 81 | 27 | >300 | 5 | 50 | >300 | >300 | >300 | >300 | 65 | 55 |