A Typical Environmental Study: Lead Budgeting

Air

(particulates)

Water

(soluble/complexed)

Food

(complexed)

Stored

(in bones)

Excreted

(in urine)

10 ?g

13 ?g

200 ?g

25 ?g

200 ?g

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Goals:

what levels can be tolerated?

what levels exist?

Requirements:
MANY samples

biological Pb resrvours must be located.