Among other items, we are naturally interested in Lead Toxicology, especially in connection with some cases of Lead Foiecnir.g in children, mostly in slum areas in Baltimore and New York.

National Lead U. i. .

If this Is the case, there will be no danger from lead absorption.

At the moment urinary lead estimations alone are done.

Pb/100 Grams - 0.06 G.O75 The lead concentration in this concentrated sample of urine ^.p.

The lead halides form by condensation from the vapor phase as the cooling exhaust ga6 reaches the J50C range.

P.8. ~ at. zapp Da pant use# lead naphthenate and load tallata inataad of land acetate.

-rennlts of the analyses made on the blood and urine off' As you will note, the lead concentration in both blood and urine are at elevated levels that demonstrate that this man's occupational lead exposure was hazardous.

Ho case of lead poisoning has -ever been seen among these employees.

Provide a Bureau of Mines approved respirator to be worn by the operator of the vacuum apparatus loading the lead into the bin. 6.

Its own organic plgaents and dyes, its own red lead, lead oxides, its own wetaliie containers, etc.

Its own organic plgaents and dyes, its own red lead, lead oxides, its own wetaliie containers, etc.

parta af arhfee-lead aad whitk*.

Procedures "A*, and 9C* together enable the tetra eth y l lead; tr ie th y l lead and d ieth y l lead contents o f a sludge to be determined* We have found th ese procedures to be r e lia b le and have used them in seme o f the more recent work reported below.

(Leaded zinc is tae only material' .contributing to the lead exposure- since all other lead pigments arc added in paste form.)