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Joseph Lead Company St.
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The standard of 1. 5 mgs. of lead per lu cubic meters of air assumes that 1. 5 mgs. of lead may be retained in the lung and actually absorbed .
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Joseph Lead Co.
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Joseph Lead Co.
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Euston Lead Co.
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-Joseph Lead Co.
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Euston Lead Co.
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Joseph Lead Company F.
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Joseph Lead Co.
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(For your information I should point out that the lead concentration in the blood, following serious exposure to tetraethyl lead is usually quite low.
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It is probably that the lead content of the excreta of the nurseling is somewhat lower than that of the mother* since the only source of lead intake in children properly cared for is likely to be the small quantity in the milk.
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On this job, he came in contact with molten lead and with lead oxide paste.
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(Evans Lead Division).
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EXPERIMENTAL Effect of Lead Concentration.
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-Joseph Lead Co.
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