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csefh - Kinder-Umwelt-Gesundheit

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Table 5-9. Soil Ingestion Estimates for 64 Anaconda Children<br />

Child-Specific Exposure Factors Handbook<br />

Estimated Soil Ingestion (mg/day)<br />

Chapter 5 - Ingestion of Soil and Dust<br />

P1 P50 P75 P90 P95 M ax M ean SD<br />

Al -202.8 -3.3 17.7 66.6 94.3 461.1 2.7 95.8<br />

Ce -219.8 44.9 164.6 424.7 455.8 862.2 116.9 186.1<br />

La -10,673 84.5 247.9 460.8 639.0 1,089.7 8.6 1,377.2<br />

Nd -387.2 220.1 410.5 812.6 875.2 993.5 269.6 304.8<br />

Si -128.8 -18.2 1.4 36.9 68.9 262.3 -16.5 57.3<br />

Ti -15,736 11.9 398.2 1,237.9 1,377.8 4,066.6 -544.4 2,509.0<br />

Y -441.3 32.1 85.0 200.6 242.6 299.3 42.3 113.7<br />

Zr -298.3 -30.8 17.7 94.6 122.8 376.1 -19.6 92.5<br />

P<br />

SD<br />

Note:<br />

= Percentile.<br />

= Standard deviation.<br />

Negative values are a result of limitations in the methodology.<br />

Source: Calabrese et al., 1997a.<br />

Table 5-10. Soil Ingestion Estimates for M assachusetts Child Displaying Soil Pica Behavior (mg/day)<br />

Study day Al-based estimate Si-based estimate Ti-based estimate<br />

1 53 9 153<br />

2 7,253 2,704 5,437<br />

3 2,755 1,841 2,007<br />

4 725 573 801<br />

5 5 12 21<br />

6 1,452 1,393 794<br />

7 238 92 84<br />

Source: Calabrese et al., 1997b.<br />

Page Child-Specific Exposure Factors Handbook<br />

5-36 September 2008

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