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VCSWaste handling and disposalTanzania Registry: RegisteredAMS-III.F

BLACK SOLDIER FLY COMMERCIAL FARMING PROJECT

VCS-4145 ↗

#6of 8 in Tanzania#553of 629 in Verra (VCS)#10of 12 in AMS-III.F

4.2/ 10
Integrity
4.5
Transparency
4.5
Claim Safety
3.5
Documentation
4.0

Audit Analysis

The Black Soldier Fly project in Tanzania has a VVB-confirmed investment additionality test and a registered VCS status, but is undermined by eight corrective action requests, contradictory ERR figures across documents, a 0% leakage deduction with inconsistent justification, and no buffer pool to protect permanence. The verified emissions reductions for the monitoring period represent only a small fraction of the pro-rata ex-ante expectation, raising over-crediting concerns relative to the original estimate. Multiple contradictions between the validation report, verification report, and monitoring report (FPIC, grievance mechanism, safeguards, benefit sharing, crediting period) significantly erode confidence in the project's data integrity.

Red Flags

  • Eight corrective action requests (CARs) in the verification report, including inconsistency in ER values between the SD VISta PD and VCS PD/spreadsheet (CAR 01) and a required correction of ER values throughout the report
  • Crediting period stated as 7 years (2021–2028) in the verification report but 21 years (2023–2044) in the PDD, a fundamental discrepancy that alters the pro-rata delivery calculation
  • No buffer pool percentage stated and reversal events marked as 'not addressed' despite community opposition risk being identified
  • Leakage deduction of 0% with justification described as 'not addressed' in the verification report but 'deemed negligible' in the monitoring report — contradictory treatment
  • FPIC recorded as conducted in the verification report but not conducted in the validation report, a direct contradiction on a core safeguard requirement

Credit Vintages

IssuedRetiredAvailable
2022
40400
2023
927490437
Total967530437

Risk Indicators

Additionality

VVB-confirmed investment test

Permanence

No buffer pool; reversal risk noted but not addressed

Leakage

0% deduction; justification contradictory across documents

Baseline

Project-specific modeled baseline; no reassessment recorded

Safeguards

FPIC and grievance mechanism contradictory between documents

Double-claim

CORSIA excluded; CCP status not stated

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Analysis ProvenanceScored2026-08-24AMS-III.F

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