EPAL's Laboratories and Water Quality Control Department has been accredited since 1999 according to standard NP EN ISO/IEC 17025 - 'General requirements for the competence to carry out tests and/or calibrations' for the following activities:
- Collection, preservation, and transport of water samples for human consumption and natural water for the production of water for human consumption
- Analysis of 110 water quality parameters (corresponding to 198 compounds) where some parameters/compounds have been accredited for more than one testing method
- Water testing 135 analytical methods
- Testing organic materials in contact with water for human consumption, which correspond to six methods/standards (with one of the two national laboratories holds this certification)
EPAL's Laboratories and Water Quality Control Department owns
Certificate No. L0242, which is associated with two Technical Annexes
L0242-1 regarding the sampling area and Lisbon Laboratory and
L0242-2 regarding the Vale da Pedra Laboratory.
The List of tests included within the Flexible Accreditation scope is
available here »
The tests included within the Intermediate Flexible Accreditation scope are
available here »
EPAL's testing laboratories have great credibility in the Portuguese and European national sector, which is shown to exist by the institutions that resort to its analytical services, with particular relevance on a national level to the Central Administration, Directorate-General of Health, "Entidade Reguladora de Serviços de Águas e Resíduos" (ERSAR), and municipalities by means of City Halls and their Municipal Services, as well as companies belonging to Grupo AdP, among others.