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ACRavoidanceUnited StatesVintage 2021General Methodologyv2.1

A-Gas V8 in Texas

ACR-773 ↗

#178of 345 in United States#78of 147 in American Carbon Registry (ACR)

4.9/ 10
Integrity
5.5
Transparency
4.5
Claim Safety
5.0
Documentation
4.0

Audit Analysis

A-Gas V8 is an HFC reclamation project in Texas validated under ACR with a VVB-confirmed combined additionality test, but it carries moderate concerns around a 0% leakage deduction that the VVB did not independently verify, three material findings (including AHRI-700 compliance issues on specific samples), and a thin documentation record limited to the PDD and validation report. The project-specific baseline and absence of an ex-ante lifetime ERR figure limit the ability to assess long-term claim safety.

Red Flags

  • Leakage deduction of 0% is justified as 'deemed negligible' in the PDD but the validation report records the justification as 'not addressed,' meaning the VVB did not independently confirm the negligibility claim.
  • The validation report flagged that Certificates of Analysis for specific samples initially suggested non-compliance with AHRI-700 specifications, raising a question about whether the reclaimed HFCs truly meet the quality threshold required for the credit calculation.
  • No ex-ante lifetime ERR figure was found in the extracted record, making it impossible to benchmark the verified 1,368,452 tCO₂e (one-year monitoring period) against the original project-level expectation over the 15-year crediting period.

Credit Vintages

IssuedRetiredAvailable
2021
1,368,452766,981601,471
Total1,368,452766,981601,471

Risk Indicators

Additionality

VVB-confirmed combined test

Permanence

Avoidance project – no carbon-stock reversal risk

Leakage

0% deduction, VVB did not confirm negligibility

Baseline

Project-specific, no reassessment date found

Safeguards

Safeguards mentioned; FPIC and grievance mechanism not stated

Double-claim

CORSIA and CCP status not stated

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Analysis ProvenanceScored2026-09-12General Methodology v2.1

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