Air Quality Provincial Roads (2004)
Description
Results calculation of air quality in 2004 in the province of Fryslân along the 6 main provincial roads, as required by the Air Quality Decree. Are measured: NO2 (nitrogen dioxide), PM10 (fine dust), C6H6 (benzene), SO2 (sulphur dioxide), CO (carbon monoxide), benzo(a)pyrene. By no means the limit value for the annual average is exceeded. The number of days where the 24-hour average is exceeded is well below the permitted 35 days.
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