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AirYX DOAS Equipment

Environment Agency

This public procurement record has 2 releases in its history.

AwardUpdate

13 Oct 2026 at 17:00

UK5 - Transparency Notice
Award

13 Oct 2026 at 12:02

UK5 - Transparency Notice
Summary of the contracting process

The Environment Agency bought two commercially available differential optical absorption spectroscopy (DOAS) instruments for measuring atmospheric ammonia (NH₃) with very high sensitivity and precision. The instruments are intended to operate at different heights at the same time, detecting small differences in ammonia concentrations above agricultural land, forests, moorland and other semi-natural surfaces. The measurements support calculation of ammonia flux between the atmosphere and the land surface. This is a supply requirement for detection and analysis equipment, rather than a fieldwork or monitoring-service contract. The Department for Environment, Food and Rural Affairs facilitated the procurement. The equipment is for the Environment Agency’s measurement work across the types of land described; no delivery town or site is identified.

The procurement is complete and the award is recorded as pending. The Environment Agency selected Cura Terrae Air Ltd through a direct award below the applicable threshold, without competition. The single lot was completed as part of the process and was marked suitable for small and medium-sized enterprises. The award value is £134,836 excluding VAT (£161,803.20 including VAT). The award was made on 13 October 2026. The contract period runs from 23 October 2026 to 8 January 2027. The end date was amended from 1 January to 8 January 2027 to allow an additional week for delivery over Christmas and New Year, accounting for bank holidays; the amendment made no change to value or scope. No evaluation criteria are stated.

For suppliers of atmospheric measurement equipment, this award shows the Environment Agency’s demand for commercially available, high-sensitivity and high-precision instruments capable of measuring ammonia at two heights simultaneously. A credible future competitor would need to supply equipment that can resolve small concentration differences above varied agricultural and semi-natural land and support calculations of ammonia movement between land and atmosphere. The requirement was for two instruments, so suppliers should be able to fulfil a defined equipment package rather than provide a monitoring service. The buyer awarded directly without competition, and the procurement was marked suitable for SMEs. Cura Terrae Air Ltd, an SME, was selected. This outcome indicates that specialist equipment capability and the ability to deliver the specified instruments are relevant to this buyer’s requirement; it does not establish further technical qualifications or experience requirements.

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Notice Information

Notice Title

AirYX DOAS Equipment

Notice Description

The Environment Agency requires the procurement of two commercially available DOAS instruments capable of measuring atmospheric ammonia (NH3) with very high sensitivity and precision. The instruments will be used simultaneously at two different heights to measure small differences in ammonia concentration above agricultural land, forests, moorland and other semi-natural surfaces. These measurements will be used to calculate the flux of ammonia between the atmosphere and the land surface.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-078669
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/096732-2026
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
UK5 - Transparency Notice
Procurement Type
Standard
Procurement Category
Goods
Procurement Method
Direct
Procurement Method Details
Below threshold - without competition
Tender Suitability
SME
Awardee Scale
SME

Common Procurement Vocabulary (CPV)

CPV Divisions

38 - Laboratory, optical and precision equipments (excl. glasses)

CPV Codes

38430000 - Detection and analysis apparatus

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
£134,836 £100K-£500K
Contracts Value
Not specified

Notice Dates

Publication Date
13 Oct 20261 weeks ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
23 Oct 2026 - 8 Jan 2027 1-6 months
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Pending
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Environment Agency
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
LONDON
Postcode
SW1P 4DF
Postcode Area
South West London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI3 Inner London - West
Small Region (ITL 3)
TLI35 Westminster and City of London
Delivery Location
Not specified
Local Authority
Westminster
Electoral Ward
St James's
Westminster Constituency
Cities of London and Westminster

Supplier Information

Number of Suppliers
1
Supplier Name

Enviro Technology Services Ltd

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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