Document Library

Welcome to the Puro Standard documents library

Document

Issued

Version

  • Puro Standard General Rules

    March 2026

    4.3

Document

Issued

Version

  • Validation & Verification Requirements

    March 2026

    1.3

  • Article 6 Procedures

    March 2026

    1.3

  • Biomass Sourcing Criteria

    November 2025

    1.2

  • Additionality Assessment Requirements

    June 2024

    2.0

  • Stakeholder Engagement Requirements

    May 2024

    1.1

  • SDG Assessment Requirements

    March 2024

    1.0

  • Methodology Development Requirements

    March 2024

    1.2

Document

Edition

Version

  • Biochar

    2025

    2

  • Carbonated Materials

    2022

    3

  • Direct Air Capture and Ocean Storage

    2025

    1

  • Enhanced Rock Weathering

    2025

    2

  • Geologically Stored Carbon

    2024

    4

  • Marine Anoxic Carbon Storage

    2025

    1

  • Microalgae Carbon Fixation and Sinking

    2025

    1

  • Terrestrial Storage of Biomass

    2023

    1

Document

Issued

Version

  • Enhanced Rock Weathering

    December 2025

    3

  • Transition Plan Enhanced Rock Weathering

    November 2025

  • Transition Plan Biochar

    June 2025

  • Biochar

    February 2024

    3

Document

Issued

Version

  • Bio-based Construction Materials Methodology

    January 2019

    2.2

  • Soil Amendment based carbon storage Methodology

    August 2021

    1

governance

Governance & policies

Document

Issued

Version

  • Puro Governance Mechanism

    March 2026

    2.1

Document

Issued

Version

  • Know your business, know your customer & anti-money laundering policies

    September 2025

    1.1

  • Anti-Bribery, AntiCorruption Policies

    March 2024

    1

  • Puro Standard Whistleblower Policy

    March 2024

    1

  • Corporate Social and Environmental Policies

    March 2024

    1

  • Grievance Policy

    March 2026

  • Conflict of Interest Policy

    March 2026

    1.1

templates

Templates & guidelines

Document

Issued

Version

  • Puro Standard Language Guidelines

    1.2

  • Application for Validation and Verification Body

    January 2022

  • Supplier Communications Guidelines

    January 2024

  • Life cycle assessment (LCA) in the Puro Standard

    March 2023

  • SDG Reporting Template

    January 2024

    1

  • SDG Proposal Template

    January 2024

    1

  • Puro Environmental and social safeguards questionnaire

    January 2024

    1.1

  • Baseline and Additionality Assessment

    January 2024

    1.9

  • Puro Stakeholder Engagement Report

    January 2024

    2

  • Project Description Template

    January 2024

    1

consultations

Clarifications & public consultations

Document

Issued

Version

  • Clarifications Puro Standard

    December 2025

Document

Issued

Version

Document

Issued

Version

  • Enhanced Rock Weathering Methodology Update

    September 2025

  • Woody Biomass Burial Methodology Webinar

    March 2022

  • Terrestrial Storage of Biomass

    July 2023

  • Enhanced Rock Weathering Methodology

    October 2022

  • Terrestrial Storage of Biomass

    June 2023

  • Puro Standard General Rules D.4.0 Update

    December 2023

  • Geologically Stored Carbon

    April 2024

  • Marine Anoxic Carbon Storage Methodology

    1

  • Direct Air Capture and Ocean Storage

    January 2025

  • Outcome of Public Consultation for Biochar Edition 2025

    July 2025

  • Microalgae Carbon Fixation and Sinking Methodology

    September 2025

grivances

Record of grivances

Document

Issued

Version

  • V-Grid (Response to Grievance)

  • V-Grid (Grievance)

announcements

Announcements

Latest

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