,i  #aaeth ,,congress  #ast ,session    
,h4 ,r4 #cabh  ,,in ,,the ,,house ,,of  
,,representatives  ,june #bi1 #bjag,mr4 
,griffith 7for himself1 ,mr4 ,mc,kinley1
 and ,mr4 ,jenkins of ,west ,virginia7  
introduced the following bill2 which was
 referred to the ,committee on ,energy  
and ,commerce  ,a ,,bill  ,to amend     
section #aaa of the ,clean ,air ,act to 
clarify when a physical change in1 or   
change in the method of operation of1 a 
stationary source constitutes a         
modification1 and for other purposes4   
#a4 ,clarification of definition of a   
modification ,paragraph 7#d7 of section 
#aaa7;a7 of the ,clean ,air ,act 7#db   
,u4,s4,c4 #gdaa7;a77 is amended by      
adding at the end the following3  ,for  
purposes of the preceding sentence1 a   
physical change in1 or change in the    
method of operation of1 a stationary    
source increases the amount of any air  
pollutant emitted by such source only if
 the maximum achievable hourly emissions
 rate of such source after the change   

will be higher than-- 7,a7 the maximum  
achievable hourly emissions rate of such
 source as it was originally designed2  
and  7,b7 the maximum hourly emissions  
rate of such source that was actually   
achieved during the #aj-year period     
preceding such change4  4