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

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

## Key facts

- Buyer: [Environment Agency](/buyers/environment-agency/contract-awards)
- Supplier: [Air Quality Consultants ltd](/suppliers/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\.

## Related contract awards

- [EAN - CDF Lot 2 - Egham Bridge 142 H&S Works - PHASE 1 - pre-construction works](/contracts/ocds-b5fd17-9c06d6c9-b27e-459a-9876-ff3e9f3ae0d6) — Environment Agency
- [Decarbonisation Studies](/contracts/ocds-b5fd17-a15cb351-7e1a-4e5c-b097-5660ad8d227f) — Environment Agency
- [SW - AOMR Lot 3 Wessex RMP 26-27 - Stonbury Individual Work](/contracts/ocds-b5fd17-0f4113e8-1ee9-4651-a228-758ff98600f9) — Environment Agency
- [Tide Gauge Network - Options Appraisal](/contracts/ocds-b5fd17-01ff9e53-670e-4676-9afd-4ada9bc0f0e2) — Environment Agency
- [RDE989 - Literature and Data Review for EV Bus Evaluation - An NO₂ Reduction P](/contracts/ocds-b5fd17-7adbe7e1-dc5c-423b-bb72-50588ab1d1ed) — Department for Environment, Food & Rural Affairs
- [RDE920 - Nature based solutions for air pollution beyond trees](/contracts/ocds-b5fd17-0ed5afb0-5541-44bd-941e-dab4d6ba51ce) — Natural England
- [RDE866 - Modelling the impact of aviation lead emissions on the surrounding popu](/contracts/ocds-b5fd17-f25721ba-2385-46b1-be6d-816bb9d187f6) — Department for Environment, Food & Rural Affairs
- [RDE914 - Improving quantification of the uncertainty in emissions of air polluta](/contracts/ocds-b5fd17-6f027413-4ff0-43c2-80e2-40cfe3c998c1) — Department for Environment, Food & Rural Affairs
- [National Roads Telecommunications Service 3 \(NRTS3\) Independent Assurance Review](/contracts/ocds-b5fd17-4a336c05-e4fd-4530-86b6-b037c17f1acd) — National Highways Limited
- [Taxi and MPV \(1-8 seats\) Passenger Assistant - Taxi and MPV \(1-8 seats\) Passenger Assistant](/contracts/ocds-b5fd17-63f8a7e1-2c91-4e8e-a7e9-fb3b7b757186) — East Sussex County Council
- [SEN20267-SEN-TAXI-Foxfields Academy](/contracts/ocds-b5fd17-67fcd688-9010-4f21-81ee-36209e1d89f8) — Leicestershire County Council
- [STH Learning Management System](/contracts/ocds-b5fd17-119e9904-7cb0-4b2c-bdcc-1ebc371033c8) — Sheffield Teaching Hospitals NHS Foundation Trust

## Source

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