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Latest new and updated documents
This calculation tool shows, step by step, how PARC Version 1.0 is applied. Eight worked examples cover the three compliance tracks and different feedstocks and end uses, helping activity developers and Validation and Verification Bodies follow the calculations from activity data to net carbon removals and credit issuance.
PARC quantifies durable carbon dioxide removals from biochar produced by pyrolysis or gasification of sustainably sourced biomass and placed in soil, engineered materials or dedicated anoxic earth vaults. Three compliance tracks match monitoring requirements to production scale, from distributed kiln networks under an aggregator to continuous industrial facilities. Removals are credited as the carbon expected to remain after 200 years, net of activity emissions, leakage, uncertainty, a reversal-risk deduction of at least 5% and the applicable downward adjustment factor. Avoided emissions are not credited. The methodology is accompanied by Supplementary Information.
The tool calculates the emission reductions of sanitation activities using SASS Version 1.0 for various scenarios: container-based sanitation, pit latrines, septic tanks, and mixed urban pathways. It can use either default emission factors or factors measured directly for the activity.
Applies to activities that introduce, upgrade or scale up safe sanitation services in communities with inadequate sanitation. It quantifies emission reductions achieved by avoiding methane emissions through the safe containment, emptying, transport, treatment and disposal of human waste. It applies to micro- and small-scale activities.
