Reliable Stack Emissions Testing Across Southern Africa
Ensure compliance, optimize your processes, and protect air quality with confidence.
Stack Emissions Testing & Calibration Services
Levego Environmental Services offers a SANAS ISO 17025-accredited range of emissions testing and calibration services, ensuring high-quality, internationally recognized results.
Our core services include isokinetic sampling for:
-
Particulate Matter
-
Velocity
-
Temperature
-
Pressure profiles
We also specialize in:
-
Particulate and fume extraction plant balancing
-
Gas cleaning plant efficiency testing
In addition, Levego is uniquely positioned to provide independent calibration services for all makes of online continuous emission monitoring systems (CEMS). These services are conducted in line with EN 14181 standards for stationary source emissions, specifically supporting Quality Assurance Level 2 (QAL2) protocols.
Stack Testing for Safer Air
SANAS Accredited Precision
At Levego Environmental Services, we deliver high-quality, internationally recognized emissions testing and calibration. As a SANAS ISO 17025-accredited laboratory, we provide the data-driven insights you need to ensure total environmental compliance and operational excellence.
Expert Isokinetic Sampling
Precision is in our DNA. We specialize in comprehensive isokinetic sampling, covering everything from Particulate Matter and Velocity to Temperature and Pressure profiles. We provide the technical accuracy required to understand exactly what is happening inside your stacks.
Optimizing Industrial Performance
Beyond testing, we help you improve. Levego specializes in particulate and fume extraction plant balancing and gas cleaning plant efficiency testing. We don’t just report the numbers; we help ensure your systems are performing at their peak efficiency.
Independent CEMS Calibration
Ensure your continuous monitoring is beyond reproach. Levego provides independent calibration for all makes of Online Continuous Emission Monitoring Systems (CEMS). Our services are strictly aligned with EN 14181 standards, supporting QAL2 protocols for stationary source emissions.
Your Questions Answered
Find answers to common queries about our dustfall monitoring services.
Why are industrial stacks so tall?
Industrial stacks are designed to release airborne pollutants at specific heights to facilitate better dispersion. This reduces the concentration of pollutants at ground level, protecting the immediate surrounding environment and the people within it. However, height is only one part of the equation—regular monitoring is required to ensure those emissions remain within safe limits.
Why is stack emissions monitoring necessary for my business?
Monitoring is essential for four key reasons:
-
Environmental Protection: It prevents the harmful accumulation of gases and particulates in local ecosystems.
-
Legal Compliance: It provides the documented proof of performance required by regulatory bodies such as the DEFF, IFC, and World Bank.
-
Safety: It ensures that levels of NOₓ, SO₂, and VOCs remain safe for your employees and nearby residents.
-
ESG Goals: It provides the data needed for transparent sustainability reporting and carbon footprint reduction.
Can monitoring actually improve my industrial processes?
Yes. Beyond simple compliance, stack monitoring acts as a diagnostic tool. By analyzing your emissions, we can identify inefficiencies in your combustion or filtration systems. This data allows you to optimize your operations, reduce waste, and lower your overall environmental impact.
Which pollutants are typically measured during a stack test?
Depending on your specific industry and regulatory requirements, we typically measure a range of pollutants including Particulate Matter, Nitrogen Oxides (NOₓ), Sulphur Dioxide (SO₂), and Volatile Organic Compounds (VOCs). Our SANAS-accredited testing ensures these measurements are accurate and internationally recognized.
What Can We Measure?
| Pollutant / Parameter | Method |
|---|---|
| Particulate Matter (PM) | US EPA 5/17, ISO 9096:2017, EN 13284-1:2017 |
| Particle size distribution (PSD, PM 10/2.5) | US EPA Method 201A, Malvern Mastersizer or Image Analysis |
| Molecular weight (gas density) Oxygen (O2) and carbon Dioxide (CO2) | US EPA 3/3A, ISO12039 |
| Moisture (H2O) | US EPA 4 |
| Sulphur Dioxide (SO₂) | US EPA 6/6A/6B/6C, ISO 7934 |
| Nitrogen Oxides (NOx) | US EPA 7E, BS EN 17492 |
| Nitrous oxide (N2O) | VDI2469-1 |
| Carbon Monoxide (CO) | US EPA 10/10B, EN 15058, ISO12039 |
| Total Volatile Organic Compounds (TVOC’s) | US EPA 18, 25A/B and BS EN 12619 |
| Formaldehyde (CH₂O) | US EPA 316 |
| Sulphur Trioxide (SO₃), Sulphuric Acid Mist (H₂SO₄) | US EPA 8/8A |
| Hydrogen Sulphide (H₂S) | US EPA 11 |
| Total Reduced Sulphur (TRS as H₂S) | US EPA 16A/16C |
| Acrylonitrile (C₃H₃N) | US EPA 0031 |
| Methylamine (CH₅N) | OSHA 40 |
| Benzene (C₆H₆) | US EPA 18 |
| Hydrogen Halides and Halogens (HCl, HF, Cl₂, HBr, Br₂) | US EPA 26/26A |
| Total fluoride (F) | US EPA Method 13B |
| Ammonia (NH₃) | US EPA CTM 27 |
| Heavy Metals (Tl, Cd, Hg, As, Sb, Pb, Cr, Co, Cu, Mn, V, Ni) | US EPA 29, EN14385 |
| Mercury (Hg) | US EPA 29, EN 13211 |
| Hexavalent chromium (Cr6+) | US EPA Method 0061 |
| Dioxins and Furans (PCDD/PCDF) | US EPA 23/23A |
| Polycyclic Aromatic Hydrocarbons (PAHs) | CARB 429, EPA 0010, ISO 11338-1 |
| Quality Assurance of Continuous Emission Measuring Systems (CEM) | ISO 10155, BS EN 14181 QAL2, BS EN 13284-2 |
| Stratification - Homogeniety | BS EN 15259 |
| Sampling location for traverse points (sampling sockets) | US EPA 1, 1A, EN 15259 |
| Stack velocity, flow rate, O₂ & CO₂, moisture | US EPA 2, 3, 4, EPA 2/2C |
Ready to Ensure Your Compliance?
Partner with South Africa’s leading specialists in emissions testing and calibration. Whether you need urgent isokinetic sampling, a review of your Dust Management Plan, or independent CEMS calibration to meet QAL2 standards, the Levego team is ready to assist.