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Air Liquide in the UK

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Environment Gas mixtures

Industrial Emissions & Environmental Monitoring

Meeting environmental regulations while reducing environmental impact

Air Liquide - World leader in providing gases used for environmental measurements.

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Meeting environmental regulations while reducing environmental impact

As legislation and regulation evolves, our gases evolve alongside these changes to help you achieve compliance and mitigate against falling foul of the regulatory authorities. With lower permitted industrial emissions and challenging pollutant concentrations in the natural environment, Air Liquide has the right solution for all your environmental monitoring needs.

Gas Mixtures for your Industrial Emissions Monitoring

The gases are compliant with legislation, have long shelf-life, with optimum analytical accuracy and blend tolerances that fit your needs. Our ISO 17025 accredited mixtures and non-accredited mixture range support QAL1, QAL2, QAL3 and AST. They are traceable to international standards providing confidence that the gases are right each and every time.

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Emissions Monitoring

One Complete Solution Emissions Monitoring Gases & Equipment for Process operators, Test Houses & CEM Equipment Suppliers

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Process operators, Test Houses & CEM Equipment Suppliers

Air Liquide UK supplies a complete solution of gases and gas control equipment for all Stack Emissions Monitoring. Process Operators, Test Houses and CEM Equipment Suppliers all have their specific requirements and here at Air Liquide we have the in-house expertise to supply the products in a short timeframe. From ISO17025 gas mixtures to zero gas, from sophisticated pipe work installations to basic fittings, we offer a complete supply solution. The high quality and flexibility of our product range is a reflection of how Air Liquide UK is continuously developing product and service packages to meet the demands of the Stack Emissions Monitoring market.

Choosing Between Accredited and Non-Accredited Gases

What you need to know in brief...

BSEN14181: 2004

Stationary Source Emissions - Quality Assurance of Automated Measuring Systems (AMS)

Aim: The standard is used to prove that the total uncertainty of the results obtained from the AMS meet the specification for uncertainty stated in the applicable EU directives.

Implementation: Waste Incineration Directive sites (WID) from Dec 2005 to 2006 Large Combustion Plant Directive sites (LCPD) by Jan 2008.

Involvement:

  • Regulatory Bodies
  • Equipment Manufacturers
  • Process Ops
  • Test Houses
  • Gas Suppliers

Calibration Gases for Ambient Air Monitoring

The measurement of air quality in the UK is subject to increasing legislation and public scrutiny, and it is therefore increasingly important that monitoring equipment is properly calibrated.

The UK government's guidance on automatic air pollution monitoring for Local Authority review and assessment of air pollution specifies that calibration gases must be certified to ISO17025. This is to ensure data is traceable to national metrology standards and that the overall uncertainties for pollution data are within specified limits.

This standard is an internationally recognised standard for demonstrating the competence of calibration and testing laboratories, and significantly exceeds the requirements of the more common ISO9000 standard. The ISO17025 standard defines what is required of an organisation in terms of technical competence, staff and resources in order to produce acceptable quality of results for a defined set of processes.

AEA Energy & Environment and Air Liquide (UK) Ltd have combined their capabilities to offer traceable calibration gas mixtures directly to organisations undertaking air pollution measurements. Gases produced by Air Liquide are calibrated by AEA and are supplied, often from stock, complete with an ISO17025 certificate of calibration.

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