Calibration of CEMS EN 14181
What It Is
Calibration of Continuous Emissions Monitoring Systems (CEMS) under EN 14181 ensures that your monitoring equipment provides accurate, regulator-accepted data. This European standard sets out the procedures for quality assurance, functional testing, and calibration of CEMS used for Environmental Permits and compliance reporting. Regular calibration gives confidence that emissions data is valid and compliant with the Environment Agency’s requirements.
Why It Matters — Risks Without It
- ❌ Invalid or rejected emissions data by the Environment Agency
- ⚠️ Enforcement action for non-compliance with permit conditions
- 📣 Loss of trust from regulators, clients, and stakeholders
- 🧾 Costly repeat testing or fines if monitoring results are deemed unreliable
What’s Measured
- Accuracy of pollutant measurements (e.g. NOx, SO₂, CO, particulates)
- Instrument response times and detection limits
- Zero and span checks for calibration gases
- Quality Assurance Levels (QAL1, QAL2, QAL3) as defined by EN 14181
- Annual Surveillance Tests (AST) to confirm continued accuracy
How It Works
- Planning: Review permit requirements and monitoring setup to define the scope of calibration.
- QAL2 Testing: Perform functional tests and comparison with parallel reference measurements.
- Data Analysis: Apply statistical checks to verify accuracy and compliance with EN 14181 limits.
- AST Checks: Conduct annual surveillance tests to confirm long-term reliability.
- Reporting: Produce a regulator-ready calibration and QA report for submission to the Environment Agency.
Who It’s For
- 🏭 Industrial sites with Environmental Permit monitoring requirements
- 🏢 Operators using CEMS to report emissions to regulators
- 👷 Environmental and compliance managers responsible for monitoring systems
- 🌍 Companies needing to demonstrate reliable and traceable emissions data
What You Get
- 📄 EN 14181-compliant calibration and QA reports
- 📊 Verified accuracy of your CEMS measurements
- 🧠 Expert advice on system improvements and ongoing compliance
- ✅ Confidence that your monitoring data will be accepted by regulators
Measure with confidence: EN 14181 calibration ensures your CEMS provides accurate, regulator-approved data — protecting your compliance and reputation.
