Figure 1From: Incidence of cancer in the area around Amsterdam Airport Schiphol in 1988–2003: a population-based ecological studyNoise exposure (in Kosten-units) in the Schiphol area in 1991. The area surrounded by the blue line indicates the core zone, the black line includes the total study area. The location of the three air quality monitoring stations are indicated by asterisks (*).Back to article page