PRODUCTION OF CONCRETE WITH CO2 CAPTURE AND CEMENT REDUCTION
#208of 345 in United States#874of 1339 in Verra (VCS)#3of 5 in VM0043
Audit Analysis
A VCS-registered CO2 capture and cement-reduction concrete project (VM0043) with VVB-confirmed additionality and documented safeguards, but significant gaps in permanence assurance (no buffer pool stated), a project-specific baseline with no reassessment date, and zero verified monitoring data to date. The ~90% downward revision of lifetime ERR from the PDD to the validation report, while ultimately conservative, signals substantial initial over-estimation that was only corrected after 45 non-conformity reports.
Red Flags
- Lifetime ERR in the PDD (31.8 million tCO2e) was roughly 10× the figure validated in the 2025 validation report (3.25 million tCO2e), indicating the initial project design significantly over-estimated credit potential before correction.
- No monitoring report or verified ERR figure is available; all transparency and claim-safety assessments rest solely on the ex-ante validation estimate.
- 45 Non-Conformity Reports, 21 New Information Requests, and 3 Observations were raised during validation, reflecting a very high volume of initial documentation deficiencies (all subsequently closed).
Credit Vintages
No issuances recorded on the registry.
Risk Indicators
VVB-confirmed combined test
CCU permanence unquantified
0% deduction, 'deemed negligible' only
Project-specific, no reassessment date
FPIC, grievance, benefit-sharing documented
CORSIA/CCP status unstated; Covalent risk addressed
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