Puro Programs & Methodologies
Puro's Science Team manages this collection to help Suppliers and Account Holders with their certification journey and to answer questions about the Puro Document Library. You can search this collection using the search bar above. Should you have follow-up questions regarding an article, please contact your Account Manager. This collection will be continously expanded. Please not that you must be logged in Odoo in order to see all the questions.
By Science1 author12 articles
- What happens if a reversal occurs after CORCs have already been retired, and how is responsibility and compensation handled?
- Why doesn’t Puro.Earth use a universal buffer credit system across methodologies?
- What does the 'partially withdrawn' label in the registry mean, and when is it used?
- Who decides the reversal quantity and attribution to issued CORCs in practice? Is it Puro, the output auditor, or the storage-site regulator? And what evidence is needed?
- In a BECCS project, shall the emissions from capturing non-eligible CO2 be taken off the term E_capture?
- What are the minimum environmental quality and elemental characterization parameters that Puro requires for the initial qualification and testing of a new biochar type?
- Is it possible to generate CORCs from both biochar (BCH) and enhanced rock weathering (ERW) in parallel by applying biochar and rock powder to the same fields?
- How does Puro monitor CO₂ transport infrastructure, and are intermediate checkpoints required?
- What procedure should be followed if a project-specific leakage source is not clearly covered by the leakage sources identified in the Biochar Methodology, Edition 2025?
- How is the ±10% steady-state operating condition requirement applied when throughput (and therefore residence time) changes between monitoring periods?
- Does Puro.Earth allow biochar to be deployed to landfill as a permanent carbon storage solution?
- How should compliance with Puro's Biomass Sourcing Criteria be demonstrated? For example, for Forest biomass (Category G) is an FSC of PEFC certificate sufficient on its own?