Environmental Assurance (Pty) Ltd.

Air Quality Baseline Assessment Services


Establishing the current ambient air quality for an area is termed the characterisation of baseline conditions and is undertaken by assessing ambient monitored and measured of the Ambient Air Quality of an area. All monitoring is done in accordance with the given SANS and ISO standards to ensure high quality data. Monitoring and Measurement data provided for assessment can be presented in annual, biannual or quarterly reports or just as a Baseline Assessment.

Data that can be used in the establishment of a Baseline Assessment of a development included but not limited to;

Gravimetrical Dust Fallout - (milligram/square meter/day) or (mg/m2/day)

Indicative Active Sampling

  • Dust- PM10 (milligram/cubic meter) or (mg/m3)
  • CO2- (ppm)
  • CO - (ppm)
  • VOC- (ppm)

Passive Diffuse Sampling

  • Hydrogen Fluoride - HF in Microgram/Cubic Meter (ug/m3)
  • Nitrogen Dioxide - NO2 in Microgram/Cubic Meter (ug/m3)
  • Sulphur Dioxide - SO2 in Microgram/Cubic Meter (ug/m3)
  • Hydrogen Sulphide - H2S in Microgram/Cubic Meter (ug/m3)

Other Parameters:

  • BTEX (Benzene, toluene, ethylbenze, and xylenes)
  • Phenol (Hydroxyl group (-OH) bonded directly to an aromatic hydrocarbon group)

Humidity and temperature:

Environmental Assurance provides more than just compliance with legislation; clients are help in site layout and monitoring to provide then the environment they want tomorrow.

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