In 2012 MJM Environmental established the air emissions testing business unit to provide NATA accredited testing service to our clients. 

MJM Environmental NATA accreditation (certification ISO/IEC 17025, accreditation number 18431) covers an extensive range of industrial air emission parameters. 

MJM has the capability to complete NATA certified testing for the following parameters: 

  • Total particulate matter
  • Coarse particulates
  • Particulate matter (PM10 and PM2.5)
  • Odour
  • Stack combustion gases (including NOx, SO2, CO, CO2 and O2)
  • Velocity and volumetric flow rate, including 3D monitoring
  • Temperature
  • Total fluoride
  • Moisture content
  • Molecular weight
  • Sulfur gases (including H2S and mercaptans)
  • Sulfuric acid mist and sulphur dioxide
  • Volatile organic carbon (VOC) compounds
  • Dioxins, furans, polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs)
  • Acidity, alkalinity and pH
  • Ammonia & amines
  • Aldehydes and ketones
  • Metals (type 1 and 2)
  • Halogens and halides (including HCl, HBr, HF, Br2 and Cl2)
  • Permanent/ fixed gases (including He, H2, Ar, CH4 and N2)


Learn more about recent MJM Environmental projects by clicking on the images below