GRI 305: Emissions·Disclosure GRI 305-6
Emissions of ozone-depleting substances (ODS)
Practical guidance for preparing this disclosure. Use this card to identify the information to prepare, verify claims and organise supporting evidence. For exact requirements, always refer to the official Global Reporting Initiative source.
Legal status
Disclosure 305-6 remains applicable. The supersession notice in GRI 305 applies to Requirement 1.2 and Disclosures 305-1 to 305-5, which have been replaced by GRI 102: Climate Change 2025. GRI is reviewing Disclosure 305-6 separately through its Pollution project. Until a revised disclosure is issued and becomes effective, organisations should continue to apply GRI 305-6.
Published passport
Last reviewed 2026-08-03
Reviewed by
Dr Ross KurinkoLinkedIn
Strategic ESG Advisor · IFRS S1 & S2 / GRI / ESRS expert
GRI Certified Global Trainer · PhD, University of Cambridge · ESG-AI expert
15+ years on FTSE 100 & Fortune Global 500 disclosures
Canary Wharf, London
LRA educational guidance · Not issued or endorsed by Global Reporting Initiative
Standard
GRI 305: Emissions
Disclosure GRI 305-6 · 2016
Last reviewed
2026-08-03
LRA educational guidance · Not issued or endorsed by Global Reporting Initiative
Disclosure focus
Disclosure 305-6 requires an organisation to report its production, imports and exports of ozone-depleting substances in metric tonnes of CFC-11 equivalent.
The disclosure covers three separate quantities: ODS production, imports and exports. Production is calculated as the amount of ODS produced minus the amount destroyed using technologies approved by the Parties to the Montreal Protocol and minus the amount entirely used as feedstock in the manufacture of other chemicals. ODS that are recycled or reused are excluded from the calculation. The organisation must also identify the substances included, the source of the factors used and the standards, methodologies, assumptions and calculation tools applied.
This LRA educational guidance supports disclosure preparation. For the exact requirements, always refer to the official Global Reporting Initiative source.
Before you start
Before you start
A quick mental checklist before you prepare this disclosure — tick each as you settle it.
Preparation
Key information to prepare
| Preparation field | What to capture | Evidence hint | Owner |
|---|---|---|---|
| Substance | Prepare and reconcile these columns: Substance; Activity; Physical mass; CFC-11-equivalent factor; CFC-11 equivalent. | Approved source records, calculation files and review evidence supporting substance. | Climate / Environment / Sustainability Reporting |
How to prepare it
Request the data
Request the disclosure evidence
Translate the disclosure into an internal business question — then adapt it to your organisation's own language.
Provide the reporting-period records and reconciliations for Disclosure 305-6: Substance. Include scope, definitions, methods, assumptions, limitations, owners and approvals.
Use the organisation's own role and document names, but preserve the defined GRI terms and the scope described above.
Better request
Provide the reporting-period records and reconciliations for Disclosure 305-6: Substance. Include scope, definitions, methods, assumptions, limitations, owners and approvals.
Draft your disclosure
Notes that turn data into a disclosure
LRA training templates — adapt them to your organisation, and check the official source before sign-off.
Method note
The disclosure covers three separate quantities: ODS production, imports and exports. Production is calculated as the amount of ODS produced minus the amount destroyed using technologies approved by the Parties to the Montreal Protocol and minus the amount entirely used as feedstock in the manufacture of other chemicals. ODS that are recycled or reused are excluded from the calculation. The organisation must also identify the substances included, the source of the factors used and the standards, methodologies, assumptions and calculation tools applied.
Context note
Keep mandatory GRI Requirements, GRI recommendations and additional LRA preparation controls clearly distinguished. Apply a GRI 1 reason for omission where required information cannot be reported.
Download Centre
Preparation tools & forms
Professional preparation tools for GRI 305-6 — free with an LRA Community membership. Register once (it's free) and every download unlocks, together with the Disclosure Library, templates and the LRA AI Assistant.
Assurance readiness
For each claim, check the evidence
| Claim | Risk | Evidence to check |
|---|---|---|
| Substance is reported accurately and completely. | The response omits, misclassifies or overstates substance. | Approved source records, calculation files and review evidence supporting substance. |
Evidence pack to prepare
Common reporting gaps
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Framework references
Relevant GRI requirements and related disclosures
Available framework references and nearby disclosures relevant to preparing this requirement.
GRI
GRI 305-6
within GRI 305: Emissions
Related & explore
More in GRI 305 → Browse full catalogue → Disclosure Library home → Search all disclosures →
Go deeper · GRI 305-6
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