Stages of Acute Alcohol Intoxication

Ethanol Concentration

(% weight/volume)

Blood (BAC) Stage of Alcohol Influence Effects

0.01 - 0.05 Sobriety Little effect on most persons

0.04 - 0.12 Euphoria Decreased inhibitions, decreased

judgement, loss of fine control,

increased reaction time

0.09 - 0.20 Excitement Lack of coordination, loss of

critical judgement, memory loss,

prolonged reaction time

0.15 - 0.30 Confusion Disorientation

Impaired emotional balance,

Slurred speech, disturbed

sensation

0.25 - 0.40 Stupor Paralysis

Incontinence

0.30 - 0.50 Coma Depressed reflexes, decreased

respiration

Possible death

BAC Estimating Table for Women

Body weight in pounds

# Drinks 100 120 140 160 180 200 220 240

0 0 0 0 0 0 0 0 0

1 .05 .04 .03 .03 .03 .02 .02 .02

2 .09 .08 .06 .06 .05 .05 .04 .04

3 .14 .11 .10 .09 .08 .07 .06 .06

4 .18 .15 .13 .11 .10 .09 .08 .08

5 .23 .19 .16 .14 .13 .11 .10 .09

6 .27 .23 .19 .17 .15 .14 .12 .11

7 .32 .27 .23 .20 .18 .16 .14 .13

8 .36 .30 .26 .23 .20 .18 .17 .15

BAC Estimating Table for Men

Body weight in pounds

# Drinks 100 120 140 160 180 200 220 240

0 0 0 0 0 0 0 0 0

1 .04 .03 .03 .02 .02 .02 .02 .02

2 .07 .06 .05 .05 .04 .04 .03 .03

3 .11 .09 .08 .07 .06 .06 .05 .05

4 .15 .12 .11 .09 .08 .07 .07 .06

5 .19 .16 .13 .12 .10 .09 .07 .06

6 .22 .19 .16 .14 .12 .11 .10 .09

7 .26 .22 .19 .16 .15 .13 .12 .11

8 .30 .25 .21 .19 .17 .15 .14 .12

Time Adjustment Table

# Hours since first drink >>>>> Subtract from BAC

1 .015

2 .030

3 .045

4 .060

5 .075

6 .090

7 .105

8 .120