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EPA
U.S. Environmental Protection Agency
OECD Organisation for
Economic Co-operation and Development
ASTM an open forum for
the development of high-quality, market-relevant international standards
used around the globe
ISO International
Organization for Standardization
ISE Istituto per lo
Studio degli Ecosistemi
AFNOR
APAT Agenzia per la
Protezione dell'Ambiente e per i serizi Tecnici
IRSA Water Researh
Iinstitute
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