Portuguese Agency of the Environment - www.iambiente.pt Portuguese Institute of Quality, IPQ - www.ipq.pt Portuguese Accreditation Institute, IPAC - www.ipac.pt European Accreditation- www.european-accreditation.org
	International Accreditation Forum - www.iaf.nu International Acoustic Commission- www.icacommission.org European Acoustics Association EAA - www.eaa-fenestra.org United Kingdom Acoustics Association IOA - www.ioa.org.uk
	French Society of Acoustics, SFA - www.sfa.asso.fr Spanish Society of Acoustics, SEA - www.ia.csic.es Brazilian Society of Acoustics, SBA - www.sobrac.ufsc.br American Society of Acoustics, ASA - www.asa.aip.org