Supply of NOx Gas Analysers for UK Air Quality Monitoring Network

About

The Environment Agency awarded a contract to Enviro Technology Services Ltd for the supply of gas analysers to measure oxides of nitrogen (NOx), nitrogen dioxide (NO2), ozone (O3), and sulphur dioxide (SO2).

These analysers are used on the UK's largest automatic monitoring network, the Automatic Urban and Rural Network (AURN), and the associated Automatic London Network (ALN), which provide high-resolution hourly air quality data for compliance reporting against the Ambient Air Quality Directives.

The contract, valued at £110,604.03, addresses the replacement of equipment that has experienced critical parts failure, damage, insufficient data quality, end-of-life status, or lack of available spare parts.