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AirYX DOAS Equipment

Environment Agency

This public procurement record has 1 release in its history.

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13 Oct 2026 at 16:50

UK6 - Contract Award 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. Used together at different heights, the instruments measure small differences in ammonia concentrations above agricultural land, forests, moorland and other semi-natural surfaces. Those measurements support calculations of ammonia exchange between the atmosphere and the land. This is a specialist scientific equipment supply requirement, classified as detection and analysis apparatus (CPV 38430000). The Department for Environment, Food and Rural Affairs facilitated the procurement; the Environment Agency is the buyer.

The procurement is complete and the contract was awarded to Cura Terrae Air Ltd. The award was made on 8 October 2026, for £134,836 excluding VAT (£161,803.20 including VAT). The contract period runs from 23 October 2026 to 8 January 2027. This was a below-threshold direct award without competition. The procurement comprised one lot, covering the two ammonia-measuring instruments. No award evaluation basis is recorded.

For suppliers of atmospheric monitoring equipment, this award demonstrates the Environment Agency’s demand for commercially available instruments capable of highly sensitive, precise ammonia measurement. A credible competitor for a similar requirement would need to supply two instruments able to operate simultaneously at different heights and resolve small concentration differences above agricultural and semi-natural land. The equipment must support measurements used to calculate ammonia flux between land and atmosphere, so suppliers should be able to show that their instruments are suitable for this scientific application. Cura Terrae Air Ltd, an SME, won through a direct award without competition; the procurement therefore does not establish a competitive evaluation benchmark or specific accreditation requirement. The relevant commercial opportunity is specialist equipment supply to the Environment Agency, rather than unrelated environmental services.

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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-0786ed
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/096725-2026
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
UK6 - Contract Award Notice
Procurement Type
Standard
Procurement Category
Goods
Procurement Method
Direct
Procurement Method Details
Below threshold - without competition
Tender Suitability
Not specified
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
8 Oct 20262 weeks ago
Contract Period
23 Oct 2026 - 8 Jan 2027 1-6 months
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Active
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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