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        Obviously you're assuming that the wood stain had something to do with failing the breathalizer  
 
Some wood stains do contain alcohol, but I find it very unlikely that you would fail a breathalizer because you used it. 
 
Why were you pulled over to begin with?  Why would they administer a breathalizer, if you didn't appear to be intoxicated?
     
     
    
    
    
    
    
    
  
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