GLOBALG.A.P. producers shall comply with the local applicable limits for microbiological contaminants in the water used on pre-harvest activities, and in their absence use the WHO recommendations as a reference for the decision making process for preventive and/or corrective actions (see Annex FV1). Compliance with the applicable thresholds shall be verified through water tests carried out in a frequency as indicated by the decision tree in Annex FV1 (risk assessment).
Water testing regime shall reflect the nature and extent of the water system as well as the type of product. Where substantiallly different water sources are used, they shall be considered separately with regard to sampling. Where one water source services multiple systems or farms it may be possible to treat this as the single origin for sampling purposes.
Samples from field level shall be taken from places that are more representative of the water source, usually as close to the point of application as possible. "