From: Oral exposure to lead for Japanese children and pregnant women, estimated using duplicate food portions and house dust analyses
House dust contribution (%)
Children
Pregnant women
Minimum
0.6
0.3
1st quartile
26.9
9.4
Median
37.5
14.0
Mean
38.4
16.1
3rd quartile
48.3
21.9
Maximum
81.3
55.5