# RDE813 Nitrogen and phosphorus excretion calculator tools for pig and poultry

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

## Key facts

- Buyer: [Environment Agency](/buyers/environment-agency/contract-awards)
- Supplier: [Ricardo-AEA Ltd](/suppliers/ricardo-aea/public-sector-contract-awards)
- Award value: £3,426
- Tender value: £3,426
- Award date: 18 July 2025
- Published: 4 August 2025
- Contract start: 21 July 2025
- Contract end: 31 October 2025
- Stage: awarded
- Procurement category: services
- Notice ID: fca2672c-c2ff-408f-8a93-7886227116b7-857417
- OCID: ocds-b5fd17-ee1ab783-fa45-4572-b3bb-dfc8c7a78bdb

## Description

The purpose of this project is to add clarity to the N&P calculator tools, respond to feedback and queries raised to date and update the guidance embedded within the tools\. 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
- [ETAFFFASNational02](/contracts/ocds-b5fd17-9907fa2f-6e40-4eb2-b06f-d669e2a06601) — Department for Environment, Food & Rural Affairs
- [RDE1016 - Appropriate Measures for a Proposed Environmental Permitting approach](/contracts/ocds-b5fd17-70af465e-3537-4b83-8e44-fb8acdee632c) — Environment Agency
- [RDE994 - Environmental Impact Assessment of emissions to air from the A1 Sinter](/contracts/ocds-b5fd17-00d406c7-fe34-4ee6-8e18-8ce15a155e61) — Environment Agency
- [RDE992 - Reaching Net Zero within a Circular Economy - Phase 2: Methodological A](/contracts/ocds-b5fd17-efb22c86-0b07-4dd3-94d2-83e62a2e7141) — Department for Environment, Food & Rural Affairs
- [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
- [AI assisted EHCP drafting tool](/contracts/ocds-b5fd17-fdd2e27c-3c1c-4fef-956e-8db7930a9561) — Southampton City Council
- [Provision of Service Standard Contract: Contract for Insurance Advisory Services](/contracts/ocds-b5fd17-ca5109d5-0cf6-432b-9427-8343f18db8de) — Merseyside Waste Disposal Authority

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/fca2672c-c2ff-408f-8a93-7886227116b7-857417)