Table 4 The mean concentrations of alcohol and its metabolites in human blood (\(\overline{{\text{x}}}\) ± S (min–max), n = 26).

From: Estimating the time of last drinking from blood ethyl glucuronide and ethyl sulphate concentrations

Time

BAC (mg/mL)

EtG (μg/mL)

EtS (μg/mL)

0

0.5 h

0.34 ± 0.10 (0.19–0.61)

0.05 ± 0.02 (0.02–0.08)

0.06 ± 0.02 (0.03–0.09)

1.5 h

0.41 ± 0.11 (0.22–0.66)

0.14 ± 0.04 (0.06–0.24)

0.11 ± 0.02 (0.06–0.16)

2 h

0.41 ± 0.12 (0.14–0.60)

0.20 ± 0.06 (0.10–0.34)

0.14 ± 0.03 (0.07–0.20)

3 h

0.36 ± 0.14 (0.07–0.63)

0.27 ± 0.09 (0.13–0.47)

0.16 ± 0.04 (0.07–0.25)

5 h

0.17 ± 0.10 (0.00–0.37)

0.29 ± 0.12 (0.09–0.53)

0.14 ± 0.05 (0.03–0.24)

8 h

0.03 ± 0.04 (0.00–0.14)

0.14 ± 0.08 (0.04–0.30)

0.06 ± 0.03 (0.01–0.11)

12 h

0.04 ± 0.03 (0.01–0.12)

0.02 ± 0.01 (0.00–0.04)

  1. Alcohol, EtG and EtS were not detectable at 24 h, 36 h, 48 h and 120 h after ingestion.
  2. – not detectable; BAC blood alcohol concentration; all values were reserved for two decimal places.