lexiara

anx_II__cpt_1__point_3__table_2

Operational parameter Reference value Unit Notes Somatic coliphages 50 (for raw water) Plaque Forming Units (PFU)/100 ml This parameter shall be measured if the risk assessment indicates that it is appropriate to do so. If it is found in raw water at concentrations > 50 PFU/100 ml, it should be analysed after steps of the treatment train in order to determine log removal by the barriers in place and to assess whether the risk of a breakthrough of pathogenic viruses is sufficiently under control.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-28 · Text as adopted (Official Journal); later amendments are not incorporated in this text.