&gt;&gt; Former employees say Mr. Balwani ordered lab personnel to stop using Edison machines on any of the proficiency-testing samples and report only the results from instruments bought from other companies.<p>&gt;&gt; The former employees say they did what they were told but were concerned that the instructions violated federal rules, which state that a lab must handle “proficiency testing samples…in the same manner as it tests patient specimens” and by “using the laboratory’s routine methods.”<p>sounds like they tried to pull Volkswagen.