AMBIENT AIR QUALITY MONITORING 



Responsible Agency: State of Montana 



Air Quality Bureau 



No. on Map Location 



2 Richardson 



5 Flaxville 



6 TV Tower Hill 



7 Scobey Downtown 



8 Four Buttes 



TYPES OF SAMPLING 



Sulfation Rate - Monthly Averages 



METHODS 



Methods of Air Sampling and Analysis, 2nd Edition , "Tentative Method of 

 Analysis of the Sulfation Rate of the Atmosphere (Lead Dioxide Plate 

 Method - Turbidimetric Analysis," p. 691. 



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