ECHO
PCs can now model health effects of airborne pollutants
| The first 150 words of the full text of this article appear below. |
In future a new computer model will be available to help assess the public health impact of air pollution from new industrial developments. It combines a geographical information system (GIS) with an existing spreadsheet model to measure the effect of the extra exposure per unit resident population—or enumeration district.
The model is fundamentally different from other approaches, especially in North America, in relying on clear evidence of harm from epidemiological studies of large human populations. As such, it is limited to modelling the effects of a few pollutants, including some airborne pollutants.
In a case study to measure potential health effects of a new energy from waste facility on surrounding residents from PM10 emissions small changes in airborne PM10 concentration—mean 0.02 µg/m3 in an area of 20 km radius and 0.08 µg/m3 in the worst affected areas—were predicted, leading to about 0.03 premature deaths/year in a population of 3.5 million
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