AMBIENT AIR QUALITY MONITORING 



Responsible Agency: State of Montana 

 Air Quality Bureau 



No. on Map Location 



1 International Boundary 



2 Richardson 



3 Hanrahan 



4 Microwave Tower 



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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