oa Clean Air Journal = Tydskrif vir Skoon Lug - NACA sponsored epidemiology study in Vaal Triangle

Volume 15, Issue 1
  • ISSN : 1017-1703



NACA recently co-sponsored a follow-up of an epidemiology study, the Vaal Triangle Air Pollution and Health Study (YAPS), which was conducted during the early nineties. The main findings of the VAPS study, which involved more than 14 000 children, were that average concentrations of gaseous pollutants were occasionally exceeding standards but that total suspended particulate matter (TSP) in the air was 2.5 times the acceptable level.

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