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CDMMethane avoidanceMexicoAMS-III.D

AWMS METHANE RECOVERY PROJECT C5 – RECOVERY, CAPTURE AND FLARING OF METHANE FROM MANURE TREATMENT

CDM-5088 ↗

#34of 47 in Mexico#1269of 1459 in CDM (UNFCCC)#74of 105 in AMS-III.D

4.2/ 10
Integrity
5.5
Transparency
3.0
Claim Safety
4.5
Documentation
3.0

Audit Analysis

A CDM methane-recovery project in Mexico with VVB-confirmed additionality and a 2% buffer pool, but undermined by a ten-fold discrepancy in claimed emissions reductions between the PDD and validation report, contradictory leakage documentation, five material findings, and five outstanding corrective actions. No monitoring reports or verified ERR figures are available, and the project's crediting period has already expired (April 2022).

Red Flags

  • Ten-fold discrepancy in total ERR: the PDD (Jan 2012) states 597,180 tCO2e while the validation report (May 2012) states 59,718 tCO2e — a factor-of-10 gap that raises serious data-reliability concerns
  • Leakage justification is contradictory: the validation report records leakage as 'not addressed' while an appendix describes it as 'quantified'; a 10% deduction is listed but its basis is unclear
  • Five corrective actions remain open, including correcting PDD descriptions of waste-management systems to match on-site observations and providing verifiable evidence for FIRCO subsidy amounts
  • No monitoring reports or verified ERR figures are available in the extracted record; the project's crediting period ended in April 2022 with no post-validation data

Credit Vintages

No issuances recorded on the registry.

Risk Indicators

Additionality

VVB-confirmed investment test

Permanence

mixed evidence / unresolved risk

Leakage

10% deduction, justification contradictory

Baseline

Project-specific, modeled

Safeguards

Mentioned, benefit sharing, no FPIC/grievance

Double-claim

CORSIA and CCP status not stated

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Analysis ProvenanceScored2026-08-25AMS-III.D

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