I read that most people pass out before reaching 3.0.
Here we go:
0.30
You’re in a stupor. You have little comprehension of where you are. You may pass out suddenly and be difficult to awaken. But don’t kid yourself - passing out can also occur at lower BACs. But at lower BAC, you may decide you’ve had enough and go “pass out”. With a BAC of .30%, your body will be deciding to pass out for you.
0.35
This is the level of surgical anesthesia. You may stop breathing at this point. Coma is possible.