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Table 5 Distribution of samples (%) in the different classes of contamination in accordance with the internally defined benchmarks for ATP-bioluminescence assay

From: ATP bioluminescence assay for evaluating cleaning practices in operating theatres: applicability and limitations

 

ATP-bioluminescence assay

Expected values

Acceptable value

Alert value

≤ 63 RLU

64–75 RLU

>  75 RLU

Hospital A

72.7

10.9

16.4

Hospital B

77.4

6.0

16.7

Total

75.5

7.9

16.5