Code of Federal Regulations · Section

§ 141.534 — How Does My System Use This Data To Calculate An Inactivation Ratio?

40 C.F.R. § 141.534

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Use the tables in § 141.74(b)(3)(v) to determine the appropriate CT99.9 value. Calculate the total inactivation ratio as follows, and multiply the value by 3.0 to determine log inactivation of Giardia lamblia:

40 C.F.R. § 141.533 40 C.F.R. § 141.535

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