Table 2 Cases reports of acute intoxication in children exposed passively to cocaine and confirmed by hair analysis.

[25]

11 months

Cocaine

Infant's hair

   1 cm to 4 cm: 0.4

   4 cm to 8 cm: 10.5

Mother's hair

   1 cm to 10 cm: negative for any illicit substance (bleached hair)

[26]

15 months

Cocaine

Infant's hair

   1 cm to 2 cm: 2.2

   2 cm to 7 cm: 7.6

Sister's hair

   1 cm to 2 cm: negative

   2 cm to 7 cm: 0.5

   7 cm to 20 cm: 1.2

Mother's hair

   1 cm to 2 cm: 8.2

   2 cm to 7 cm: 5.3

   7 cm to 20 cm: 10.6

Father's hair

   1 cm to 2 cm: 3.0

[27]

24 months

Infant's hair

   0 cm to 1 cm: 1.9

   1 cm to 15 cm: 17.2^a

[28]

13 months

Cocaine

Infant's hair

   0.6

[29]

One month

Cocaine

Infant's hair

   2.2

Mother's hair

   3.4

Father's hair

   1.7