I just mean I believe the officer or prosecutor or both will not claim that .02 is the only factor.who said they would be "drunk"? The law criminalizes driving under the influence of whatever; alcohol OR some other drug. That means if it is determine the driver is impaired, regardless of the BAC or test results for some other drug they are driving illegally.
Oh please provide some support for your claim.
I am sure anyone with a computer can find examples of a positive test result with no alcohol. I know people with a handheld machine and have used it personally. This machine has not been calibrated but it was actually more common th get some reading opposed to no reading at all.