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PURBiochar, 2022United KingdomGeneral Methodologyv2.0

Brodie Biomass

PUR-680422 ↗

#4of 44 in Biochar#2of 8 in United Kingdom#10of 109 in Puro.earth (PUR)

5.7/ 10
Integrity
5.5
Transparency
5.5
Claim Safety
6.0
Documentation
6.0

Audit Analysis

Brodie Biomass is a first-year UK biochar project under Puro with a verified investment-test additionality and a named VVB, but the initial verification surfaced five material findings—including a 14.7-tonne overcalculation, 12.22 tonnes of PAH-exceeding ineligible biochar, and a website double-claiming risk—each requiring corrective action. The absence of a stated buffer pool and a project-specific baseline leave meaningful permanence and baseline-robustness gaps for a carbon-removal credit.

Red Flags

  • Five material findings in the first verification report, including a 14.7 CORC overcalculation and 12.22 tonnes of biochar exceeding EBC PAH thresholds, indicating weak initial MRV controls.
  • No buffer pool percentage is stated in the extracted record, leaving permanence risk for a biochar project unquantified.
  • The project operator's website previously carried a misleading carbon-removal disclaimer that risked double counting; corrected only after the VVB flagged it.
  • Leakage is deemed negligible with no quantified deduction or detailed justification beyond a single label.

Credit Vintages Exhausted

IssuedRetiredAvailable
2025
1,4161,4160
Total1,4161,4160

Risk Indicators

Additionality

Investment test, VVB-confirmed

Permanence

No buffer pool stated; no reversal events recorded

Leakage

Deemed negligible, no quantified deduction

Baseline

Project-specific, no reassessment date stated

Safeguards

Grievance mechanism present; FPIC not conducted

Double-claim

CORSIA/CCP not stated; website risk corrected

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Analysis ProvenanceScored2026-08-19General Methodology v2.0

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