# RDE814 - Using inverse dispersion modelling to quantify methane emissions from l

> A sourced UK public-sector contract award published by Environment Agency.

## Key facts

- Public buyer: [Environment Agency](/buyers/environment-agency/contract-awards)
- Contract winner: [Air Quality Consultants ltd](/contract-winners/air-quality-consultants/public-sector-contract-awards)
- Award value: £59,800
- Tender value: £59,800
- Award date: 12 September 2025
- Published: 16 September 2025
- Contract start: 11 September 2025
- Contract end: 13 March 2026
- Stage: awarded
- Procurement category: services
- Notice ID: b73f5f84-9e08-438a-be39-77230f3a90d8-863833
- OCID: ocds-b5fd17-f82ee143-195e-4112-a7de-da1dfb5e6fe5

## Description

The purpose of this project is to enable inverse dispersion modelling \(IDM\) to be undertaken for landfill methane quantification in an auditable manner with a robust reported uncertainty\. Contract awarded by Defra\.

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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/b73f5f84-9e08-438a-be39-77230f3a90d8-863833)