That hasn't been clearly defined. Some estimate that PEth (phosphatidylethanol) becomes positive around 84 g (approx 6 drinks) of consumption, others claim closer to 200 g (approx 14 drinks). Both measured by pure alcohol at 14 g per drink.
Suffice to say that PEth becomes positive only after drinking on 6 or more sequential days, little as one drink per day, or by binge drinking on a single day.
Although the test is already in use by a couple of laboratories there is much more that needs to be clarified.
Since it requires a blood draw it is unlikely that the test will replace EtG/EtS testing.
A blood alcohol test doesn't detect marijuana.
about 40 at 5% alcohol volume
About four to five, depending on the drinks. Perhaps less.
Alcohol poisoning can occur after consuming a large amount of alcohol in a short period of time. The specific number of drinks that can lead to alcohol poisoning varies depending on factors like a person's weight, metabolism, and tolerance level. In general, excessive consumption of 4-5 drinks in a short period of time can be dangerous and increase the risk of alcohol poisoning.
You would need to include your weight to determine your BAC with any accuracy.
The EtG urine test can detect the use of mouthwash containing alcohol, hand sanitizers containing alcohol, food cooked with alcohol, and many other alcohols in the absence of drinking alcohol.And it an do so for days after contact with any alcohol.
Thousands.
Everyone's bodies metabolize alcohol at a different rate. It is not accurate enough to determine how long ago you had a drink, or how many drinks you had. It can only tell how much alcohol you currently have in your system.
That would depend on the size and gender of the drinker, and how rapidly the drinks were consumed. It is possible to drink indefinitely and not reach that level if one drinks slowly enough.
one if you're awesome
1.1 standard drinks 5% alcohol (375ml can)
The highest proof alcohol is about 180 proof or 90% alcohol.