Table 4 IEUBK predicted increase in blood lead concentration due to alloys mouthing exposure in children
From: Migration protocol to estimate metal exposure from mouthing copper and tin alloy objects
Mouthing exposure daily time | Alloy | Calculated daily lead intakes (μg) by mouthing exposure and IEUBK net blood lead contribution (μg/dL)* per age group | |||||
|---|---|---|---|---|---|---|---|
0.5–1 years | 1–2 years | 2–3 years | |||||
Intake | IEUBK | Intake | IEUBK | Intake | IEUBK | ||
Mean | Brass Z33 | 0.910 | 0.2 | 0.849 | 0.1 | 0.757 | 0.1 |
Brass Z45 | 0.658 | 0.2 | 0.614 | 0.1 | 0.547 | 0.1 | |
Brass M57 | 0.160 | 0.1 | 0.149 | 0.0 | 0.133 | 0.0 | |
Tin/lead alloy 3 | 0.077 | 0.1 | 0.072 | 0.0 | 0.065 | 0.0 | |
Tin/lead alloy 5 | 0.530 | 0.2 | 0.496 | 0.1 | 0.445 | 0.1 | |
Pure Lead | 93.75 | 15.0 | 87.50 | 12.5 | 78.00 | 10.2 | |
95th Percentile | Brass Z33 | 2.840 | 0.7 | 2.670 | 0.5 | 3.155 | 0.5 |
Brass Z45 | 2.052 | 0.5 | 1.929 | 0.3 | 2.280 | 0.4 | |
Brass M57 | 0.498 | 0.2 | 0.469 | 0.1 | 0.554 | 0.1 | |
Tin/lead alloy 3 | 0.183 | 0.1 | 0.176 | 0.0 | 0.195 | 0.0 | |
Tin/lead alloy 5 | 1.500 | 0.4 | 1.422 | 0.2 | 1.641 | 0.3 | |
Pure Lead | 292.5 | 30.8 | 275.0 | 27.1 | 325.0 | 26.7 | |