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Table 1 Standard physical characteristics

From: Risk-based indicators of Canadians’ exposures to environmental carcinogens

Characteristic

Units

Adult

Teen

Child

Small Child

Infant

Age

years

20 to 70

12 to 19

5 to 11

0.5 to 4

0 to 0.5

Bodyweight

kilograms

70

57

27

13

6

Breathing

cubic metres per day

23

21

12

5

2

Drinking water

litres per day

1.5

1.3

0.9

0.8

0.75

Dust ingestion

grams per day

0.02

0.02

0.035

0.05

0.035

Time outdoor

% of 24 hours

6.25

6.25

8.2

8.2

8.2

Time indoors

% of 24 hours

93.75

93.75

91.8

91.8

91.8