Table 5.

Mean age-specific soil/dust ingestion rates (mg/day) for four scenarios that best predict observed blood lead levels.

Agea (years)	55/45b-geoIR	40/30/30Gc-geoIR	40/30/30Ac-aveIR	50/25/10/15d-aveIR	Average all models
0–1	92	82	76	86	84
1–2	100	89	90	94	93
2–3	72	64	66	67	67
3–4	65	58	62	63	62
4–5	69	62	63	67	65
5–6	54	49	50	52	51
6–7	54	49	54	55	53
7–8	51	47	50	51	50
8–9	57	53	61	63	59
9–10	58	54	57	59	57
Abbreviations: aveIR, arithmetic mean ingestion rate; geoIR, geometric mean ingestion rate. a0–1 = 6–11 months, 1–2 = 12–23 months, 2–3 = 24–35 months, etc. bDust/yard soil. cDust/yard/community soil; G = geometric mean; A = arithmetic mean. dDust/yard/neighborhood/community soil.