# RDE 379 -Updating and Refining the Nitrogen Decision Framework - Critical Loads

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

## Key facts

- Public buyer: [Natural England](/buyers/natural-england/contract-awards)
- Contract winner: [Air Quality Consultants ltd](/contract-winners/air-quality-consultants/public-sector-contract-awards)
- Award value: £17,400
- Award date: 5 October 2023
- Published: 1 November 2023
- Contract start: 6 October 2023
- Contract end: 19 January 2024
- Stage: awarded
- Notice ID: 5a78de3b-d6ef-4117-9762-02abd25119c3-694054
- OCID: ocds-b5fd17-949d09bc-5033-4646-a6ff-fe35471d98b7

## Description

The objectives of the 2023-2024 project are to update the existing NDF Shiny App with 1\) the most recent N deposition data, any changes to notifications or CMSi data and the recently updated critical load ranges and 2\) a walkthrough of the app's functionalities uploaded to the guidance tab\. This was awarded by Natural England\.

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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/5a78de3b-d6ef-4117-9762-02abd25119c3-694054)
