---
title: "CEFAS25-119 Analytical Calibration of Carbon Reactivity in Marine Sediment"
ocid: "ocds-h6vhtk-05a316"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05a316"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-05a316.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-05a316.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "CENTRE FOR ENVIRONMENT, FISHERIES AND AQUACULTURE SCIENCE"
published: "2025-09-26"
---

# CEFAS25-119 Analytical Calibration of Carbon Reactivity in Marine Sediment

Buyer: CENTRE FOR ENVIRONMENT, FISHERIES AND AQUACULTURE SCIENCE  
Current stage: Award  
OCID: ocds-h6vhtk-05a316

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## Summary

The procurement process for the contract titled "CEFAS25-119 Analytical Calibration of Carbon Reactivity in Marine Sediment" was managed by the Centre for Environment, Fisheries and Aquaculture Science (CEFAS), a sub-central government public authority based in Lowestoft, United Kingdom. The contract was awarded on 10th July 2025 and is active from 11th July 2025 to 31st December 2025. This procurement falls under the services category within the analysis services industry, specifically targeting marine sediment sample analysis. The procurement method used was direct and below threshold, without competition, underlining its specialised nature. The total contract value stands at £15,955.80 GBP, emphasising a targeted and specific requirement by CEFAS.

This procurement presents significant opportunities for businesses specialising in environmental analysis, particularly those focusing on marine sediment studies. The contract was awarded to the University of Leeds, indicating a demand for organisations with the capability to conduct detailed isotopic and chemical determinations. Companies offering laboratory services or possessing expertise in marine or environmental sciences could find similar opportunities for growth in this sector. The procurement method suggests a preference for direct engagement with experienced entities, making it ideal for businesses that can offer high-quality, specialised services within the analytical scope.

## Notice

Calibrating carbon reactivity analytical services to determine the properties in marine sediment samples for the Carbon Management Programme Calibration of carbon reactivity. University of Leeds (UoL) offers analytical services to determine the following properties in marine sediment samples: * 200 determinations of the delta13C isotopic composition of total organic carbon (TOC); * 100 determinations of the mass fraction of total Fe (FeT); * 100 determinations of the mass fraction of reactive Fe (FeR); * 100 determinations of the relative mass fractions FeR/FeT; * 100 determinations of the mass fraction of TOC;

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/060098-2025 |
| Notice type | UK7 - Contract Details Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Direct |
| Procurement method details | Below threshold - without competition |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 26 Sep 2025 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 9 Jul 2025 |
| Contract period | 10 Jul 2025 - 31 Dec 2025 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £15,955 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Complete |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | CENTRE FOR ENVIRONMENT, FISHERIES AND AQUACULTURE SCIENCE |
| Locality | LOWESTOFT |
| Post town | Norwich |
| Postcode | NR33 0HT |
| Country | England |
| ITL 1 | TLH East (England) |
| ITL 2 | TLH6 Suffolk |
| ITL 3 | TLH63 East Suffolk |
| Local authority | East Suffolk |
| Electoral ward | Kirkley & Pakefield |
| Westminster constituency | Lowestoft |
| Delivery location | Not specified |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | UNIVERSITY OF LEEDS |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71620000 - Analysis services

## Release History

- 26 Sep 2025 at 11:03 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/060098-2025

## Documents

- https://www.find-tender.service.gov.uk/Notice/060098-2025
  26th September 2025 - Contract details notice on Find a Tender

## Notice URLs

- https://defra-family.force.com/s/Welcome
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-05a316. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-05a316.json.