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sulphur dioxide

Indoor air quality in primary schools.

The objective of this paper was to verify that problem of indoor air pollution is present in primary school in Yugoslavia. Indoor air pollutant levels of sulfur-dioxide, soot, nitrogen dioxide, carbon monoxide and formaldehyde, and air-microflora was determined in different places of school environment. The average indoor level of sulphur dioxide and soot in primary schools were comparatively high. Determined average levels of carbon monoxide were from 13 .2 - 31. 8 mg/m3, levels of nitrogen dioxide were 20 - 62 μg/m3 and levels of formaldehyde: 0.01 - 0.83 μg/m3.

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