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Biogenic Carbon Capture and Storage

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Capture & Conversion | v1.0

Enhanced Weathering in Closed Engineered SystemsThis module details durability and monitoring requirements for enhanced weathering in closed engineered systems

Capture & Conversion | v1.1

Ex Situ Mineralization in Closed Engineered SystemsThis module details durability and monitoring requirements associated with the storage of CO₂ by engineered ex-situ mineralization in closed systems.

Cross-pathway Accounting | v1.0

Embodied Emissions AccountingThis module describes how embodied emissions related to equipment and material manufacture must be calculated so that they can be subtracted in the net CO₂e removal calculation.

Cross-pathway Accounting | v1.2

Energy Use AccountingThis module describes how energy-related emissions must be calculated so that they can be subtracted in the net CO₂e removal calculation.

Cross-pathway Accounting | v1.1

Transportation Emissions AccountingThis module describes how transportation-related emissions must be calculated so that they can be subtracted in the net CO₂e removal calculation.

Feedstocks | v1.2

Biomass Feedstock AccountingThis Module details the requirements for a feedstock to be eligible for use in an Isometric Protocol. This includes demonstrating sustainable sourcing, quantifying counterfactual storage, and assessing market leakage risks.

Feedstocks | v1.1

Rock and Mineral Feedstock CharacterizationThis module details the key physical and geochemical characteristic requirements of rock and mineral feedstocks for CDR projects to ensure safety and suitability for carbon removal.

CO₂ Storage via Carbonation in the Built EnvironmentThis module details durability and monitoring requirements for CO₂ storage in the built environment.

Carbonated Material Storage and MonitoringThis module details durability and monitoring requirements for the storage of carbonated materials in either open or closed systems, excluding the built environment.

CO₂ Storage in Depleted Hydrocarbon ReservoirsThis module details durability and monitoring requirements for CO₂ Storage in Depleted Hydrocarbon Reservoirs.

Dissolved Inorganic Carbon Storage in OceansThis module details the durability, reversal risks and requirements for storage of removed atmospheric CO₂ as dissolved inorganic carbon (DIC) in the ocean by CDR approaches.

CO₂ Storage via In-situ Mineralization in Mafic and Ultramafic FormationsThis module details durability and monitoring requirements associated with the storage of CO₂ by rapid in-situ mineralization in mafic and ultramafic formations.

CO₂ Storage in Saline AquifersThis module details durability and monitoring requirements for CO₂ storage in saline aquifers.