The purpose of this tender procedure is to enter into a Framework Agreement that establishes the conditions to which the selection of the companies that will provide the laboratory service must be adjusted.

Taking samples from time to time at the discharge of the WWTPs of the Navarra River Sanitation Master Plan and collector networks.

Characterization of industrial discharge to be carried out in industries connected to WWTPs of the Sanitation Master Plan of the Rivers of Navarra.

Taking of specific samples to be carried out at the discharge of the wastewater treatment plants of the Navarra River Sanitation Master Plan, with the parameters and frequencies marked in each discharge authorization.

The requested service consists of the analysis of preferential and priority substances and other pollutants collected as such in annexes IV and V of RD 817/2015, of September 11, in discharges from the WWTP of the Navarra River Sanitation Master Plan .

Make certified and verified flow measurement equipment available to the NILSA service for the control of flow from the outfalls included in the Navarra River Sanitation Master Plan. Supervision of the technician responsible for the laboratory who will verify its correct installation. It will be necessary to visit each measurement equipment by the laboratory technician once a week to verify that the data recording is proceeding normally. Issuance of report with the data obtained.

Calibration, control, registration and verification actions of all the equipment, probes and laboratory methods that are operative in the laboratory of the Tudela WWTP.