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. 2021 Oct 27;9:769238. doi: 10.3389/fpubh.2021.769238

Table 3.

Average particle counts (#/cm3) measured by the WIBS during the different operational modes of the filtration unit in the boning hall and the associated reduction when compared to no filtration.

Type Size (μm) Filtration Capacity Percentage change
100% 50% None
Mean ± SD 100% capacity 50% capacity
WIBS_
Total
<2.5 3508 ± 1744 6454 ± 4,048 25522 ± 1,0804 −86.30% −75.00%
>2.5 569 ± 191 769 ± 369 2743 ± 791 −79.30% −72.00%
WIBS_
Fluorescent
<2.5 241 ± 90 315 ± 172 1297 ± 338 −81.40% −75.70%
>2.5 235 ± 120 316 ± 149 834 ± 169 −71.80% −62.10%