A witness assessment (ANSI observation of V/VB carrying out third-party validation/verification of GHG assertion) is required as a component of the accreditation process. The purpose of the witness assessment is to determine that the V/VB understands and is implementing its verification procedures as defined by ISO 14065:2007, ISO 14064-3:2006, the relevant GHG program or registry requirements, as well as the applicant's own internal procedures and processes for conducting GHG validation/verification.
A witness assessment for project verification will not serve as satisfactory completion of a witness assessment for the purposes of attaining verification as a inventory verifier and vice versa. In addition, for project validation and verification, multiple witness assessments may be required depending on the scope of the application. Witnesses for project validation will count toward accreditation for project verification.
For more information, please see GHG-PR-706: ANSI GHG Validation and Verification Body Accreditation Scoping Policy.
Questions can be addressed to:
Ann Howard
Director, Environmental Accreditation Programs
202-331-3620
ahoward@ansi.org