,,ii  #aagth ,,congress  #ast ,session  
,s4 #bdjf  ,,in ,,the ,,senate ,,of     
,,the ,,united ,,states  ,july #ba1     
#bjba,mrs4 ,gillibrand 7for herself1    
,ms4 ,warren1 and ,mrs4 ,feinstein7     
introduced the following bill2 which was
 read twice and referred to the         
,committee on ,environment and ,public  
,works  ,a ,,bill  ,to amend the ,safe  
,drinking ,water ,act to require the    
,administrator of the ,environmental    
,protection ,agency to set maximum      
contaminant levels for certain          
chemicals1 and for other purposes4  #a4 
,short title ,this ,act may be cited as 
the ,protect ,drinking ,water from      
,,pfas ,act of #bjba4  #b4 ,maximum     
contaminant levels ,section #adab7;b7 of
 the ,safe ,drinking ,water ,act 7#db   
,u4,s4,c4 #cjj;g-#a7;b77 is amended by  
adding at the end the following3  7#af7 
,perfluoroalkyl and polyfluoroalkyl     
substances  7,a7 ,required regulations  
,not later than #b years after the date 
of enactment of the ,protect ,drinking  

,water from ,,pfas ,act of #bjba1 the   
,administrator shall publish a maximum  
contaminant level and promulgate a      
national primary drinking water         
regulation for perfluoroalkyl and       
polyfluoroalkyl substances1 including1  
at a minimum-- 7i7 perfluorooctanoic    
acid 7commonly referred to as ,,pfoa72  
and  7ii7 perfluorooctane sulfonic acid 
7commonly referred to as ,,pfos74  7,b7 
,monitoring ,in establishing monitoring 
requirements under the national primary 
drinking water regulation for           
perfluoroalkyl and polyfluoroalkyl      
substances under subparagraph 7,a71 the 
,administrator shall-- 7i7 consider     
options for tailoring monitoring        
requirements for public water systems   
that do not detect1 or are reliably and 
consistently below the maximum          
contaminant level for1 those substances2
 and  7ii7 prioritize the use of        
existing authorities to provide         
technical assistance and funding to help
 small1 rural1 or disadvantaged public  

water systems to comply with the        
national primary drinking water         
regulation4  7,c7 ,health protection    
,the national primary drinking water    
regulation for perfluoroalkyl and       
polyfluoroalkyl substances under        
subparagraph 7,a7 shall be protective of
 the health of subpopulations at greater
 risk1 as described in section #adeh4   
7,d7 ,health risk reduction and cost    
analysis ,in meeting the requirements of
 paragraph 7#c77;,c7 with respect to the
 national primary drinking water        
regulation for perfluoroalkyl and       
polyfluoroalkyl substances under        
subparagraph 7,a71 the ,administrator   
may rely on information available to the
 ,administrator with respect to #a or   
more specific perfluoroalkyl or         
polyfluoroalkyl substances to           
extrapolate reasoned conclusions with   
respect to the health risks and effects 
of a class of perfluoroalkyl or         
polyfluoroalkyl substances of which the 
specific perfluoroalkyl or              

polyfluoroalkyl substances are a part1  
including by using techniques described 
in-- 7i7 the document of the            
,environmental ,protection ,agency      
entitled ,generalized ,read-,across     
7,gen,r,a7 7or a successor document72   
and  7ii7 the ,toxicity ,estimation     
,software ,tool of the ,environmental   
,protection ,agency 7or a successor     
tool74  4