Sustainability in buildings and civil engineering works. Carbon metric of an existing building during use stage - Verification Ingestion-build-73073 ketones and alcohols

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Sustainability in buildings and civil engineering works. Carbon metric of an existing building during use stage - Verification Ingestion-build-73073 ketones and alcohols1 Scope This document specifies requirements for the verification of a carbon metric calculation for GHG emissions of an existing building during the use stage, where the carbon metric calculation is performed in accordance with ISO 167451. NOTE Before verification, the carbon metric according to ISO 167451 is a claim. Only after the verification according to this document can the carbon metric be communicated as a carbon metric declaration.