AWMS Methane Recovery Project BR06-S-28, Santa Catarina, Brazil
#25of 104 in Brazil#64of 213 in CDM (UNFCCC)#12of 62 in AMS-III.D
Audit Analysis
A CDM methane avoidance project (swine biodigesters) in Santa Catarina, Brazil, verified by DNV under AMS III.D. Additionality is confirmed via a combined test and the project avoids a legally mandated capture, but the project-specific modeled baseline, a leakage treatment contradiction between documents, and eight clarification requests (including missing environmental licenses and flow-meter calibration issues) moderate confidence. The project delivered roughly 84% of its pro-rata emission-reduction expectation for the elapsed monitoring period, indicating no over-crediting.
Red Flags
- Eight clarification requests in the monitoring report include missing environmental licenses for two sites (Agropecuaria Barriga Verde and Fazenda Kapakeffa) and flow-meter calibration/sealing issues, raising operational-compliance concerns.
- Leakage treatment is inconsistent across documents: the 2009 monitoring report records it as 'not addressed' while the 2011 validation report states it was 'deemed negligible' — the justification basis is not fully reconciled.
- Total verified emission reductions (4,936 tCO₂e) are not independently confirmed in the extracted record (total_err_verified is absent), limiting cross-checking against the PDD lifetime estimate of 22,480 tCO₂e.
Credit Vintages
| Issued | Retired | Available | ||
|---|---|---|---|---|
| 2011 | 4,936 | 0 | 4,936 | |
| Total | 4,936 | 0 | 4,936 |
Risk Indicators
VVB-confirmed combined test; capture not legally required
Methane avoidance — no reversal risk; no reversal events rep
Deemed negligible (<1%) but inconsistently documented across
Project-specific modeled baseline; no reassessment date reco
Safeguards mentioned and benefit-sharing described, but FPIC
CORSIA and CCP status not stated in available documents
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