2-13 



Table 2-3 Established Annual Increments of Sulfer Dioxide and Particulate 

 Matter for Class I, II and III Attainment Areas in the State of 

 Maine. 



Particulate Matter 



Sulfer Dioxide 



Attainment Area Annual 

 Geometric 

 Mean 



24 hr. 



Annual 

 Arithmetic 



Mean 24 hr. 



3 hr. 



Class I 



5 ug/m3 10 ug/m3 2 ug/m3 5 ug/m3 25 ug/m3 



Class II 19 ug/m3 37 ug/m3 20 ug/m3 91 ug/m3 512 ug/m3 



Class III 37 ug/m3 75 ug/m3 40 ug/m3 182 ug/m3 100 ug/m3 



Source (DEP 1979) 



3-C-8 



