Environmental monitoring

NPL provides a high-quality, cost-effective service, which in many cases allows direct comparison with related Defra network measurements.

Particulate monitoring and analysis

Vehicle emissions

NPL provides a range of accredited services for the measurement of air quality in both outdoor and indoor environments, providing multi-component analysis for both short- and long-term measurements. These services can be provided as bespoke measurements or as part of air quality network activities.

NPL provides a range of accredited services for the measurement of air quality in both outdoor and indoor environments, providing multi-component analysis for short and long term measurements. These services can be provided as bespoke measurements, or as part of air quality network activities. 

Air quality networks

Ambient air quality surveys

Occupational air quality measurements

Pressurised environments

NPL offers a broad suite of emission monitoring services, from MCERTS stack measurements through site emission surveys and long-term monitoring, to world-leading remote sensing technology using Differential Absorption Lidar (DIAL). This range of capabilities enables NPL to deliver cost-effective solutions to any emission monitoring requirement. 

Emission monitoring using Differential Absorption Lidar (DIAL)

Continuous monitoring of fugitive emissions

Site surveys for leak detection and emission measurement

Fenceline monitoring - EPA method 325

Stack emissions monitoring

The laboratories at NPL offer a wide range of analytical capabilities to provide detailed information on gas composition, whether this is needed for gas purity analysis or measurement of trace gases and particulates in ambient air. 

Acid gas analysis

Hydrogen purity for fuel cell vehicles

Sampling and analysis of complex VOCs

NPL  has a range of specialist environmental sensor test facilities designed to help developers and end users evaluate instrument performance, demonstrate conformance with industry-standard protocols, and carry out validation of instruments in the field.  

Air quality instrument testing and calibration

Fugitive emission technique validation

MCERTS instrument testing

Particle stack emission simulator

Gas stack emission simulator

NPL has a range of services to give users and customers absolute confidence in radioactivity measurements. 

Emission measurement guidance and training

Environmental consultancy

Stack proficiency testing scheme

NPL has a range of services to give users and customers absolute confidence in radioactivity measurements

Ionising radiation protection

Neutron services

Radioactivity services