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Town/city: Witbank
Province: Mpumalanga
GPS coordinates: S25°52,655' and E29°11,246'

The site consists of a 3 m x 2 m x 2,4 m shelter and 10 m mast on a concrete plinth with 1,8 m palisade security fencing. Apart from RM Young meteorological equipment for measurement of wind speed and direction, ambient temperature, relative humidity, rainfall, solar radiation and barometric pressure, the following instruments are installed for measurement of various pollutants at the site:

  • Grimm ambient dust monitor Model 180 - measurement of PM10 and PM2,5,
  • Monitor Europe SO2 analyser Model 9850B,
  • Monitor Europe NO, NO2, NOx analyser Model 9841B,
  • Monitor Europe CO analyser Model 9830B,
  • Monitor Europe O3 analyser Model 9810B, and
  • Chromatotec BTEX analyser for measurement of benzene, toluene, ethylbenzene and xylene.

The residential area of KwaGuqa next to Witbank was identified as one of the five towns in the Highveld Priority Area where an ambient air quality monitoring station should be placed. This area was selected to determine ambient pollutant concentrations resulting from domestic fuel burning, transportation related emissions and in particular, industrial and mining related emissions. A number of sites were considered, with the most appropriate being identified as Elukhanyisweni High School in KwaGuqa, representing a secure site nearby to the industrial Ferrobank area.
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