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Establishment of a basis for administrative use of PestSurf 
    
  
Figure 1.24. As Figure 1.23, but the lower right figure shows the duration of events above 50 ng/l. 
Figur 1.24. Som Figur 1.23, men figuren nederst til højre viser varigheden af hændelser over 50 ng/l. 
  
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 Version 1.0 December 2006, © Danish Environmental Protection Agency 
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