NPL offers a range of validation and calibration services which support atmospheric science, emissions monitoring and measurements for security.

Validation and calibration services include:

• Multi-parameter Measurements of Aerosol Properties for Climate Models
• Analysis by GC-MS
• Validation facilities for remote sensing and open-path optical instruments NPL is able to calibrate optical open-path instruments using specially developed facilities. Instruments that can be calibrated include: DOAS (Differential Optical Absorption Spectroscopy), FTIR (Fourier Transform Infrared) and DIAL (Differential Absorption Lidar)
• Gas analyser calibrations
• Instrument type approval to the Environment Agency's MCERTS certification scheme.
• Metals
• On site calibration of gas monitors
• Ozone photometer calibrations
• Particle Composition – Organic and Elemental Carbon
• Particulate, Metal, Anion and PAH Analysis
• Stack emissions monitoring
• Stack Proficiency Testing Scheme for stack emissions monitoring
• Validation of stack emissions monitoring instrumentation using facilities developed at NPL, including a stack simulator 
• Testing of pumped and diffusive samplers using our Controlled Atmosphere Test Facility
• Testing of continuous emissions monitors
• High accuracy and traceable measurements to provide calibration and validation for atmospheric research projects
• Validation and calibration of novel sensors for homeland security applications
• Provision of quality assurance and quality control services for customer's monitoring programmes

Contact

Customer Service tel: +44 20 8943 8637
E-mail: environmental_enquiries@npl.co.uk