Request for clarification of approved mechanism methodology: Applicability of A6.4-AMM-002 (ver. 01.0) to existing nitric acid production lines replaced by one new line through a retrofit before introduction of N2O abatement

Reference number: A6.4-AMM-CLA-002

Submitted by First Climate (Switzerland) AG
Request

A6.4-FORM-METH-009

Reference to the approved mechanism methodology to which the request for clarification applies A6.4-AMM-002: N2O abatement from nitric acid production
MEP meeting

MEP 017 (30 November - 4 December 2026)

Final response  
Current status 22 October 2026: Initial assessment: Qualified
Submission history

 30 September 2026: Submission received

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