PPT Slide

microgram Pb/dL blood

(1.0 ?g/dL = 0.04826 ?mol/L

= 4.826 x10-8 mol/L

Symptom ?g/dL M

death 135 6.5x10-6

encephalopathy 90 4.34

frank anemia 70 3.37

colic 60 2.89

decreased hemoglobin synthesis 40 1.93

decreased Vit. D metabolism 30 1.44

decreased nerve conduction velocity 20 0.97

Decreased IQ, hearing, growth 10 0.48x10-6

Children

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