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			Fabs, one of the several things we do at my company is test measurement systems used in industrial processes. 
 
A false positive from a lab is no surprise.  We see that all the time. 
 
Before any lab's results can be accepted, you really do have to do just what they eventually did--have the lab test various samples, and see if they relate to reality.  There are accepted tests for doing this. 
 
You'd think he'd be filing a huge suit against the lab.  They put themselves forward as competent, and were not. 
 
Similarly, if I'm ever in a serious car accident, and there is any question about my responsibility, my first stop is a hospital emergency room, for a blood alcohol and drugs test.
		 
		
		
		
		
		
		
		
		
	
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