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About Us

For almost fifteen years, Apex Emission Testing has been delivering quality, reliable, and value adding, environmental assessment services to Southern Africa.

Founded in 2004, Apex Emission Testing prides itself in being able to say that it is one of the longest running air quality and air emissions test laboratories in South Africa.

In January 2017, Apex Emission Testing obtained SANAS Accreditation to ISO 17025:2005 for "Testing and Calibration Laboratories", and we are currently in the advanced stages of implementing the new ISO 17025:2018 standard.


Where external test, analysis or calibration services are required, Apex Emission Testing uses SANAS Accredited laboratories, ensuring the quality of our tests and reports conform to international standards.

Our Services

Isokinetic Stack / Duct Sampling Services (Particulates, Aerosols and Mists)

Apex Emission Testing utilises US EPA Sampling and Analytical Methodology to accurately determine concentrations and mass flow rates for any of the following process, or combustion, related parameters:

  • Temperatures and Pressures (static and velocity),
  • Stack gas molecular weight,
  • Stack gas moisture content,
  • Volumetric flow rates.
Concentrations and mass flows of:
  • Acids (Organic and Inorganic),
  • Dioxins and Furans (PCDD/PCDF),
  • Metals (Antimony (Sb), Arsenic (As), Barium (Ba), Beryllium (Be), Cadmium (Cd), Chromium (Cr), Cobalt (Co), Copper (Cu), Lead (Pb), Manganese (Mn), Mercury (Hg), Nickel (Ni), Phosphorus (P), Selenium (Se), Silver (Ag), Thallium (Tl), Zinc (Zn))
  • Oil Mists (Vegetable, Mineral etc.),
  • Particulates (PM2.5, PM10 and Total PM)

Non-isokinetic Stack / Duct Sampling Services (Gases and Vapours)

  • Ammonia (NH3)
  • Carbon Dioxide (CO2)
  • Carbon Monoxide (CO)
  • Fluorides (Total F as HF)
  • Hydrogen Sulphide (H2S)
  • Nitrous oxide (NO)
  • Nitrogen Dioxide (NO2)
  • Polycyclic Aromatic Hydrocarbons (PAH's)
  • Sulphur Dioxide (SO2)
  • Volatile Organic Compounds (VOC's)

Ambient Environmental Monitoring Services

  • Dustfall / Dust Deposition (ASTM Method)
  • Ambient Dust Data Logging
  • Ambient Gas Concentrations

Desktop Quantification

  • Desktop Quantification Assessments and Air Quality Compliance Administration
  • Desktop Quantification of Emissions from Bulk Liquid Storage Tanks using Computer Modelling
  • Desktop Quantification of Emissions from Combustion and Industrial Processes using Emission Factor and Mass Balance Calculations

Data Analysis and Modelling

  • Dust Fallout Source Identification - Multivariate Analysis to quantify likely sources of pollution.
  • Screening Level Dispersion Modelling - US EPA Screen 3 Computer Model.
  • Big Data Analytics & Assessments - Let us gather and analyse your data.
  • Expert Emissions Report Assessments - let us independently and expertly assess your stack emission test supplier's report for QA or conflict resolution.

Specialist Occupational Health Risk Assessments

  • Specialist Occupational Health Risk Assessment's and Reporting

Regulatory Compliance Services

  • Atmospheric Emission Licence (AEL) Applications and Amendments.
  • NAEIS /SAAELIP – Preparer, Consultant and Training Services.

Geographic Information Science & Remote Sensing

  • Environmental Assessments using Satellite derived Remote Sensing Data
  • Mapping and GIS using drone based Photogrammetry

Software and Technology

  • Bespoke Environmental Software Application Development (Windows Apps, Web Apps, Mobile Apps – Android and iOS)
  • Environmental Sensors and Monitors Connectivity - Internet of Things (IoT)

Equipment Sales and Training

Apex Emission Testing is a proud Distributor of Apex Instruments Inc. (NC, USA) instrumentation and software - Contact us for details, or... See the Apex Instruments Inc. website www.apexinst.com … and YouTube Videos:

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