A driver can be tested if there is reasonable cause to believe that they are operating under the influence of alcohol or other impairing factors (e.g.: medication - narcotics - anything that might empair their operation of a motor vehicle). Only alcohol can be screened via a breathalyzer. If it is suspected that the impariment is due to a factor other than alcohol, a BAT can be orderd.
It means you had too much alcohol in your blood when it was tested and you will likely lose your drivers license.
In California, you may get a driver's license at age 16. The website http://www.dmv.ca.gov/dl/dl.htm shows you where and it will outline what you will be tested on.
Not usually, unless the officer has some reason to believe that you are under the influence of, or have swallowed, something else besides alcohol
no, not unless they are given a reason so suspect that you have consumed any drugs
No. Alcohol has to be tested for separately.
Yes. The alcohol metabolite tested for in an EtG test is only present if alcohol has been present.
yes
Cows are being tested because Scientists need it to test it for MILK
Testing for alcohol can be performed with an alcohol breath machine, with a sample of blood drawn, with a sample of urine, with a sample of mouth fluid, or with a sample of sweat.
Signed.
It wasn't tested. That's part of the reason why it crashed.
How was she tested? If it was a blood draw they may have used and alcohol swab to clean her arm. That is a common mistake that causes false positives.