It's Basic Lead Silico Chromate Oncor8 M50.

LEAD INDUSTRIES ASSOCIATION, INC.

ONCOR PIGMENTS National Lead Pigments and Chemicals Dhi.

National Lead Company(Philippines), Inc., a subsidiary of National Lead Company and Connell Bros.

A lehoretory has been prepared which will he used exclusively for the Lead Project.

(I have seen frank cases of lead poisoning at 80 micrograms - rarely, to be sure, but the value is not "acceptable".)

The lower figure for organic lead is fully justified, and I would not alter it if I were in your position.

Some of our people feel this is a confusing state ment: "The rate of absorption of tetramethyl lead can not be esti mated by determinations of lead in the blood (true) but rather is best revealed by the measurement of the lead in the urine."

Assessments: a) Membership b) Pig Lead Sales 2.

We have also made allowance in our schedule for announcement of our new Oncor pigment Y 47 Normal Lead Silico Chromate.

(I have seen frank cases of lead poisoning at 80 micrograms - rarely, to be sure, but the value is not "acceptable".)

Tae Perkin-Elmer Instrument #303 is in use, with "intensitron" lead lamps.

/lDO pm. of blood) urlaa lead, .00 ag.

. -- Cond. from authors' summary 181 Monitoring Sulfur Dioxide with Lead Peroxide Cylinders.

'/"before~any~'v I must point out that the blood which you are examining has an appreciable has been vddsd1--- quantity of lead in itj.