Buick 1993 Roadmaster Owner's Manual page 163

Just how much alcohol is too much if a person plans to
drive? Ideally,
no
one should drink alcohol and then
drive. But if one does, then what's "too much"? It; can be
a lot less than many might think. Although it depends on
each person and situation, here is some general
information on the problem.
The Blood Alcohol Content (BAC) of someone who is
drinking depends upon four things:
. _
0
0
0
How much alcohol is in the drink.
. .
The drinker's body weight.
The amount of food that is consumed before and
during drinking.
The length of time it has taken,the drinker to
consume the alcohol.