AWMS Methane Recovery Project BR06-S-30, Mato Grosso and Mato Grosso do Sul, Brazil

Audit Analysis

A CDM methane-recovery project in Brazil with VVB-confirmed additionality but significant data gaps in verified emissions, leakage treatment, and permanence safeguards. Five material findings during validation (including incorrect population data and unclear project boundaries) and contradictory leakage treatment between the validation and monitoring reports reduce confidence in the credit's integrity. The project is closed (crediting period ended March 2015), but the absence of a verified ERR figure for the monitoring period limits the ability to confirm actual delivery.

Project Description

Red Flags

• ⚠Leakage treatment is contradictory: the validation report (2007) deems leakage negligible, but the monitoring report (2011) records it as not addressed, with no quantified deduction in either document
• ⚠Five material findings in the validation report, including incorrect population and farm growth rates in the first PDD, unclear project boundaries, and methodology changes during validation
• ⚠No verified ERR figure is available for the monitoring period (2008–2011), making it impossible to confirm actual credit delivery against the 11,834 tCO₂e lifetime estimate
• ⚠No buffer pool, permanence mechanism, or reversal-event tracking is documented for a methane-avoidance project where biodigestor failure would release captured gas

Credit Vintages