Aigües de Barcelona, the leading water utility in Spain, has received accreditation to the ISO/IEC 17025:2005 Standard for the use of Aqua Metrology Systems’ online THM-100™ analyzer to continuously monitor trihalomethanes (THMs) in their dinking water supply network servicing 3,000,000 million inhabitants across metropolitan Barcelona.  In addition to providing the utility with contract compliance and process optimization data, THM readings can now be used to submit regulatory compliance data.