Source: https://tendernation.io/opportunities/01a13c9e-fd52-70ba-9b82-0592a2353c50/purchase-of-4-x-time-of-flight-aerosol-chemical-speciation-monitor-pm25-organi awarded GB direct award procedure Suitable for SMEs # Purchase of 4 x Time-of-Flight Aerosol Chemical Speciation Monitor (PM2.5 Organic Speciation) [Defra Network eTendering Portal](https://tendernation.io/buyers/defra-network-etendering-portal) Often single bidder Estimated value £455,838 to £1,000,000 Published 8 Nov 2022 Deadline Closed 28 Sept 2022 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender Purchase of 4 x Time-of-Flight Aerosol Chemical Speciation Monitor (PM2.5 Organic Speciation) ## CPV classification Air quality management Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/b0b05b7a-1d21-4859-a4ac-aacce3b8ce2c) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Defra Network eTendering Portal: past awards and live tenders](https://tendernation.io/buyers/defra-network-etendering-portal) [Sector More Sewage, refuse, cleaning & environmental tenders](https://tendernation.io/sectors/sewage-refuse-cleaning-environmental) ## More tenders like this [Pest Control Services · North West Leicestershire District Council · 28 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a15a78-76cf-73ca-9148-bf8480ffab27/pest-control-services) [CA18586 - Holy Trinity Academy Tender for Cleaning Services · Holy Trinity Academy · 36 days left · 25 Nov 2026](https://tendernation.io/opportunities/01a15a26-19da-71f5-9f87-dc93fa8ea0ed/ca18586-holy-trinity-academy-tender-for-cleaning-services) [Holy Trinity Academy Tender for Cleaning Services · Holy Trinity Academy · 36 days left · 25 Nov 2026](https://tendernation.io/opportunities/01a15a0a-9efc-730a-8e75-6d0f272a5c2a/holy-trinity-academy-tender-for-cleaning-services) [Cleansing and Minor Maintenance of Public Conveniences and Locking/Unlocking of other Council Assets · Dover District Council · 29 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a1599c-cac5-7136-be28-4cc48dc3d737/cleansing-and-minor-maintenance-of-public-conveniences-and-lockingunlocking-of) [Provision of Compactor and Skip Inspection, Maintenance and Repair Services · Armagh City, Banbridge and Craigavon Borough Council · 21 days left · 10 Nov 2026](https://tendernation.io/opportunities/01a1599c-cc93-70d6-8a3e-dcc2dadf159a/provision-of-compactor-and-skip-inspection-maintenance-and-repair-services) [Tipping and Waste Disposal Framework Agreement - Ref 01044 · Tai Tarian Ltd · 42 days left · 1 Dec 2026](https://tendernation.io/opportunities/01a1592e-eb96-720b-86e3-9e68da7861b7/tipping-and-waste-disposal-framework-agreement-ref-01044)