They say that the breath tests are accurate and are specific to ethanol. However, you can get a positive results for using hand sanitizing liquid or even for being diabetic. You can even get a DUI for eating plain white bread:
Why are we putting people in jail and suspending licenses based on this ridiculous technology?
PA DUI attorney Justin J. McShane is the President/CEO of The McShane Firm, LLC - Pennsylvania's top criminal law and DUI law firm. He is the highest rated DUI attorney in PA as rated by Avvo.com. Justin McShane is a double Board certified attorney. He is the first and so far the only Pennsylvania attorney to achieve American Bar Association recognized board certification in DUI defense from the National College for DUI Defense, Inc. He is also a Board Certified Criminal Trial Advocate by the National Board of Trial Advocacy, a Pennsylvania Supreme Court Approved Agency.