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how do you calculate log reduction. The relationship between log reduction values LRVs and percent reduction is generally as follows. It is 90 reduction in a specified microbial population.
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Subtract to Find the Amount of the Reduction. 1 log reduction 90 reduction. Log and Percent Reductions in Microbiology and Antimicrobial Testing.
Log Reduction Values Reduction in pathogen concentrations in recycled water are calculated using log reduction values LRV.
For example LOG10100 returns 2 and LOG101000 returns 3. The LRV required for each end use of recycled water is based on the likely exposure volumes ingested from the use of the water. Log Reduction Values Reduction in pathogen concentrations in recycled water are calculated using log reduction values LRV. What is often called a log reduction technically a reduction by one order of magnitude represents a 90 reduction in microbial population.
