Environmental Technology Verification (ETV) Accreditation Program - ISO 14034

The A2LA Environmental Technology Verification (ETV) Accreditation program accredits third-party organizations that perform the review of data to validate claims of environmental technology performance generated through established testing protocols or other specified requirements. Environmental technologies are those that result in an added value to indicate positive environmental benefits.

ISO 14034:2016 was published with the intent at creating a standard approach to the ETV process. It is designed to harmonize the process by defining principles, procedures, and requirements; the benefits include verified claims of the added potential and value along with the ease of moving products across international borders.


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The ETV accreditation program uses both ISO/IEC 17020, Conformity assessment – Requirements for the operation of various types of bodies performing inspection along with ISO 14034, Environmental management-Environmental technology verification (ETV) to confirm competence for organizations validating data.  These standards ensure that ETV organizations provide independent and impartial confirmation of performance of technologies designed to enhance the environment.  This includes applications including those that can monitor and/or conserve natural resources, sustainable energy apparatus, or devices that can support the sustainable management of resources.

When paired with ISO/IEC 17020, ISO 14034 provides a framework for technology validation that ensures proper metrics are identified for technology evaluation, consistent evaluation methods are implemented, and high-quality standards are achieved for clean energy technology verifications.