Percent of NonAdherent Fines =  W_{T}  W_{16} 


x 100  
W_{T} 
Percent of Adherent Fines =  W_{16}  W_{A} 


x 100  
W_{16} 
Where:  
W_{T}  = Total weight of test sample as determined in Step 3  
W_{16}  = Weight retained on No. 16 sieve as determined in Step 4  
W_{A}  = Weight of sample after washing over the No. 200 sieve as determined in Step 5 