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PURBiochar, 2022GhanaGeneral Methodologyv2.0

Truecoco Ghana Ltd

PUR-816220 ↗

#35of 44 in Biochar#5of 5 in Ghana#81of 109 in Puro.earth (PUR)

4.2/ 10
Integrity
4.5
Transparency
4.0
Claim Safety
4.0
Documentation
4.5

Audit Analysis

Truecoco Ghana's biochar project has VVB-confirmed additionality and a named verification body, but suffers from significant gaps in baseline methodology, leakage treatment, and permanence documentation. Thirteen material findings and four corrective actions in the verification report, combined with a 65% discrepancy between two verification reports on the same ERR figure, raise meaningful data-reliability concerns. The project is in an early stage with a very short monitoring window and limited public documentation.

Red Flags

  • Contradiction in verified ERR between two verification reports: 941.98 tCO2e (Dec 2025) vs 1547.92 tCO2e (Jan 2026) — a 65% increase unexplained in the extracted record
  • Thirteen material findings including feedstock sourcing inconsistencies, missing waybills, a 10.15 MT biochar stock discrepancy, and use of outdated moisture data in the LCA model
  • Leakage treatment entirely absent from the extracted record — no deduction percentage, no justification, no methodology reference
  • Baseline method and last reassessment date not stated in any available document
  • Four corrective actions still required at the time of the final verification report

Credit Vintages Exhausted

IssuedRetiredAvailable
2025
1,8121,8120
2026
1,5481,5480
Total3,3603,3600

Risk Indicators

Additionality

VVB-confirmed, test type unspecified

Permanence

0.81 factor applied, no buffer pool stated

Leakage

No leakage treatment found in any document

Baseline

Method and reassessment date not stated

Safeguards

Grievance mechanism present, FPIC not confirmed

Double-claim

CORSIA and CCP status not stated

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Analysis ProvenanceScored2026-08-19General Methodology v2.0

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