# Modelling and Mapping of Critical Loads and Critical Levels Exceedance

> Contract award record from UK public-sector procurement sources.

## Key facts

- Public buyer: Defra Network eTendering Portal
- Contract winner: [UK Centre for Ecology & Hydrology](/contract-winners/uk-centre-for-ecology-hydrology/public-sector-contract-awards)
- Award value: £541,405
- Tender value: £541,405
- Award date: 13 July 2020
- Published: 21 August 2020
- Contract start: 13 July 2020
- Contract end: 31 May 2024
- Stage: awarded
- Procurement category: services
- Notice ID: 2e5665d0-fe47-41da-934c-d6bd0a48263c-377218
- OCID: ocds-b5fd17-f52fbefc-ae3c-46c0-8e8a-5c3da39d37c5

## Description

Defra funds the National Focal Centre which collects, collates and maps the UK impacts of sulphur dioxide \(SO2\), oxides of nitrogen \(NOX\) and ammonia \(NH4\) and submits data into ICP Modelling and Mapping\. The contract produces impact data from these pollutants for the four UK countries and is used to assess the success of policies to reduce emissions \(under CLRTAP and the NECD\)\. Additional information: Please note that Defra procurement uses an E-tendering system for Procurement activities\. This is currently provided by Bravo Solutions\. To access appropriate tendering and contractual documents, please access the E-Tendering portal at https://defra\.bravosolution\.co\.uk, ensuring that your registration includes "Defra"\. If you have any problems with this system, please contact Bravo on their telephone helpline number 0800 368 4850 or by emailing them at help@bravosolution\.co\.uk\.

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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/2e5665d0-fe47-41da-934c-d6bd0a48263c-377218)