# RDE854 - Summary of the current evidence base on black carbon and ultrafine par

> A sourced UK public-sector contract award published by Department for Environment, Food & Rural Affairs.

## Key facts

- Public buyer: [Department for Environment, Food & Rural Affairs](/buyers/department-for-environment-food-rural-affairs/contract-awards)
- Contract winner: [AtkinsRéalis UK Limited](/contract-winners/atkinsr-alis-uk/public-sector-contract-awards)
- Award value: £59,933
- Tender value: £59,933
- Award date: 20 August 2025
- Published: 3 October 2025
- Contract start: 1 September 2025
- Contract end: 30 March 2026
- Stage: awarded
- Procurement category: services
- Notice ID: 30d52535-3644-4d23-8b52-bd1a327ebcb7-866785
- OCID: ocds-b5fd17-65eafe73-364a-4093-9e42-62818bda9468

## Description

A key driver for commissioning a project on BC is that it is included in the UNECE Convention on Long-range transboundary Air Pollution \(CLRTAP\)'s Gothenburg Protocol, which is currently being renegotiated and the requirements around it might change\. Contract awarded by Defra

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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/30d52535-3644-4d23-8b52-bd1a327ebcb7-866785)