Ontario Avenue Bio-Oil Sequestration
Audit Analysis
The Ontario Avenue Bio-Oil Sequestration project is a carbon removal project under the Isometric standard with VVB-confirmed additionality and independently verified geological storage, but it is undermined by a four-fold overstatement in the project's own monitoring report (240.19 tCO2e claimed vs. 60.43 tCO2e verified), a complete absence of leakage treatment for a subsurface storage project, and a monitoring exemption that weakens the permanence assurance. The project shows reasonable documentation and recent verification activity, yet key safeguards and permanence safeguards remain unaddressed.
Red Flags
- Project's monitoring report claimed 240.19 tCO2e while the VVB verified only 60.43 tCO2e — a ~4× overstatement traced to a water-deduction calculation error in bio-oil mass
- Leakage is entirely unaddressed (no deduction, no justification) in a geological storage project where subsurface migration is a primary risk
- Exemption from continuous methane monitoring granted due to a shared brine tank with unrelated gas storage caverns, relying on Isometric's risk assessment rather than independent continuous data
- No buffer pool or additional permanence safeguard is documented despite a 1,000-year permanence claim
Credit Vintages
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Risk Indicators
VVB-confirmed
1,000-yr claim, no buffer pool, monitoring exemption
Not addressed in geological storage project
Project-specific, no reassessment date
Mentioned but FPIC, grievance, benefit-sharing not documented
CORSIA and CCP status not stated
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