anx_II__cpt_1__cpt_2

1.1. Establishing the plan The monitoring plan shall provide details of the monitoring to be deployed at the main stages of the project, including baseline, operational and post-closure monitoring. The following shall be specified for each phase: parameters monitored; monitoring technology employed and justification for technology choice; monitoring locations and spatial sampling rationale; frequency of application and temporal sampling rationale. The parameters to be monitored are identified so as to fulfil the purposes of monitoring. However, the plan shall in any case include continuous or intermittent monitoring of the following items: fugitive emissions of CO_(2) at the injection facility; CO_(2) volumetric flow at injection wellheads; CO_(2) pressure and temperature at injection wellheads (to determine mass flow); chemical analysis of the injected material; reservoir temperature and pressure (to determine CO_(2) phase behaviour and state). The choice of monitoring technology shall be based on best practice available at the time of design. The following options shall be considered and used as appropriate: technologies that can detect the presence, location and migration paths of CO_(2) in the subsurface and at surface; technologies that provide information about pressure-volume behaviour and areal/vertical distribution of CO_(2)-plume to refine numerical 3-D simulation to the 3-D-geological models of the storage formation established pursuant to Article 4 and Annex I; technologies that can provide a wide areal spread in order to capture information on any previously undetected potential leakage pathways across the areal dimensions of the complete storage complex and beyond, in the event of significant irregularities or migration of CO_(2) out of the storage complex.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-12 · Text as adopted (Official Journal); later amendments are not incorporated in this text.