# Condensation Particle Counters

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

## Key facts

- Public buyer: Defra Network eTendering Portal
- Contract winner: TSI Ltd\.
- Award value: £100,585
- Tender value: £100,585
- Award date: 29 November 2016
- Published: 2 February 2017
- Contract start: 1 December 2016
- Contract end: 31 March 2017
- Stage: awarded
- Procurement category: goods
- Notice ID: 0521cb22-4b5b-41fc-931e-de4493ba624b-128450
- OCID: ocds-b5fd17-21b7276e-aa73-42ab-8939-fc638f694f91

## Description

Defra procuring on behalf of the Environment Agency\. Need to purchase 4 Condensation Particle Counters \(model 3772-CEN with associated vacuum pumps, sampling systems and servicing\)\. All 4 existing instruments on the 'Particle Concentration and Number' network have broken beyond economical repair\. Currently not able to collect the information required to show compliance with Article 6 para 5 of the Air Quality Directive, which asks for information on the total mass concentration of particulate matter, and also for the purpose of the European Monitoring and Evaluation Programme \(EMEP - part of the Convention on Long Range Transboundary Air Pollution \(CLRTAP\) which requires monitoring of particle number concentration\)\.

## Related contract awards

- [National EA Estates Professional Surveying Framework](/contracts/ocds-b5fd17-9191aaea-5356-4bdc-a3e1-af6b3670e583): Defra Network eTendering Portal
- [Parliamentary Monitoring Service](/contracts/ocds-b5fd17-a6ea66bd-b313-46f9-a02a-2c5007aa1856): Defra Network eTendering Portal
- [Provision of Geological Products](/contracts/ocds-b5fd17-8d85b0c1-45ff-4562-9d99-6009685196de): Defra Network eTendering Portal
- [Particle Concentrations & Numbers \(PCN\) Network - xRay Particle size and number](/contracts/ocds-b5fd17-28254d77-1fac-4653-b5d2-afe0729bbd37): Environment Agency

## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/0521cb22-4b5b-41fc-931e-de4493ba624b-128450)