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secunda DEAT AIR MONITORING STATION
Suburb/township: eMbalenhle
Town/city: Secunda
Province: Mpumalanga
GPS coordinates: S26°33,039' and E29°04,747'

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.

eMbalenhle in Secunda was identified as one of the five areas in the Highveld Priority Area where ambient air quality monitoring is required. This area was chosen due to the extensive use of fuel sources, such as coal for heating and cooking purposes, and the impacts associated with Sasol to the east. The Sasol Club in eMbalenhle was considered the most appropriate as it is ideally situated to measure domestic fuel burning emissions from neighbouring households, approximately 7 km west of Sasol and is very secure with large open areas.
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