Jiayu MSW Landfill Site LFG Pollution Treatment and Comprehensive Utilization Project
#974of 1084 in China#1104of 1339 in Verra (VCS)#27of 34 in AMS-III.G
Audit Analysis
This VCS landfill gas project in China has a VVB-verified additionality assessment and no reversal risk, but the verification report identified eight material findings including an inability to reproduce baseline calculations, a missing regulatory-surplus demonstration, and an incorrect methane equation. Four contradictions between the verification report and monitoring report (grid emission factor, ERR, leakage justification, benefit sharing) undermine data reliability, and the low extraction confidence further weakens the evidentiary base. The project is registered and operational, but the volume of unresolved documentation gaps and the legally mandated capture requirement create meaningful integrity and claim-safety concerns.
Red Flags
- Eight material findings in the verification report, including inability to reproduce baseline and project emission calculations, an incorrect FCH4 equation with inconsistent GWPCH4 value, and missing baseline validation steps
- LFG capture is legally required in China, yet the verification report flags a missing demonstration of regulatory-surplus adherence, raising additionality questions
- Grid emission factor differs by 50% between the verification report (0.8587) and the monitoring report (0.57205), directly affecting the magnitude of claimed credits
- Ten corrective actions remain required, none of which are confirmed as completed in the available documents
- Low extraction confidence across the document set limits the reliability of the structured data used for this assessment
Credit Vintages
No issuances recorded on the registry.
Risk Indicators
VVB-verified but legally required capture and missing regulatory-surplus demonstration
LFG avoidance project; no reversal risk applicable
0% deduction; quantified per VR but characterised differently in MR
Project-specific, modeled; material findings on calculation reproducibility and validation
FPIC conducted, grievance mechanism in place, safeguards documented
CORSIA and CCP statuses not stated in available documents
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