Evonik November Monthly Review - Peracetic acid use

Date: 2025 11-November 18

Overview

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Stiles

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Permit daily maximum of 488 Cfu / 100 mL (one exceedance)
Permit 30-day geomean (GM) maximum of 126 CFU/100 mL

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Maxson

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26 exceedances
2328 CFU/100mL

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Henry: Energy is proportional to the square of velocity : double the velocity, quadruple the energy

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The Maxson CoM sample is a composite.
The Evonik lab sample is a grab sample.
Maxson Image 9 is composite vs grab

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Maxson Image 10 is grab vs grab

Mike Browser: COD data between CoM lab and Evonik lab correlates 98%
Lab results COD samples are pulled from the mixing box, pre disinfection. This is the same as the Evonik analyzer.

Sample is pulled from the reservoir that goes to the analyzer.