Argibem, São Sebastião and Vulcão Ceramics Fuel Switching Project

Integrity

The project’s additionality is stronger than average because the monitoring report says a barrier test was used and that additionality was confirmed by the VVB, TÜV Rheinland do Brasil Ltda. However, permanence is only partly supported because no buffer pool percentage is stated and no reversal-event detail is found in the extracted record. The monitoring report also lists many corrective actions, which suggests implementation and control weaknesses even though no material findings were reported.

Transparency

The monitoring period is clearly stated and the VVB is named, which helps traceability. Still, usage monitoring is not stated in available documents, and the record does not provide a clear public MRV trail for how end-use or usage was tracked. The extracted record also shows multiple corrective actions, indicating that the reporting package needed substantial cleanup.

Claim Safety

Claim safety is weakened by the contradiction between the monitoring report and validation report on emissions reductions and leakage treatment. I privileged the monitoring report for the 31,521 tCO2e figure because it is the later reporting document and matches the verified amount in the same cycle, but the earlier validation record reportedly used 41,597 and described leakage as deemed negligible, while the monitoring report says leakage was quantified. The project is not CORSIA-eligible, which helps, but CCP status is not stated and the conflicting records raise over-crediting risk.

Documentation

Documentation is moderate rather than strong: there are multiple official documents in the record and extraction confidence is high, but several core items are missing or not stated, including buffer pool coverage, usage monitoring method, and baseline reassessment timing. The monitoring report also contains a long list of CARs, including corrections to project naming, tables, and monitoring sections, which suggests the documentation package was not fully polished. Because the record is incomplete on several key quality indicators, documentation cannot score higher.

Overall

The main contradictions are the emissions reduction totals, the leakage characterization, the additionality test type, and whether safeguards were documented. I privileged the later monitoring report for the 31,521 tCO2e figure and the barrier-test framing because it is the more recent project-specific reporting document, but I discounted confidence because the validation report appears to have used different values and a different leakage interpretation. The project is therefore usable but not high confidence: the evidence supports issuance, yet the reliability of the surrounding documentation and safeguard narrative is uneven.