NATIONAL LEAD COMPANY New York.

V Blood lead .;.......................................

In order to expedite the studies on lead absorption and lead poisoning, the analytical facilities of tho laboratory have been enlarged and modified* Specially designed and dustproof laboratories have boon completed end are now in use* The distribution of fluorine in food materials and in the excreta of normal persons has been under study, an article on "Normal Urinary Fluorine B?

If Batchelor is correct la hie assumption and the oil companies were encouraged to change the water in floating roof tanks at frequent intervals as a mean of reducing the lead 0015752 content of sludge, probably the companies would then infer that the lead hazard would be reduced to such a point that our tank cleaning precautions would no longer be required, We doubt if this ever would, be true.

A METHODS OF MEDICAL CONTROL AND SPECIFICATIONS FOR SAFE VERSUS DANGEROUS EXPOSURE IN LEAD USING OCCUPATIONS I.

It seems quite probable that lead in the form of du3t will not occur to any extent in the vicinity of your melting pot.

As more lead was found in the effluent air than could be explained by the presence of amounts of gasoline vapor which were found, it seems possible at least that there might have been an accumulation of tetraethyl lead in the hose wall as a consequence of repeated soaking in lead containing liquids and subsequent drying.

Harmful quantities of fumes from lead soldering should not be allowed to accumu late Local regulations may require exhaust facilities if much lead soldering is done Even if lead fumes are not present in harm ful quantities, it may be desirable to ex haust the nuisance fumes and smoke Air samples should be taken to verify that the amount of lead in the air is not harmful Lead solder particles should not be al lowed to accumulate on the floor and on work tables If the operation is such that the solder or flux may spatter, employees should wear face shields or do the work under a transparent shield Air power tools Air hose An air hose presents the same tripping or stumbling hazard as do cords on electric tools.

Moreover I prefer not to give out information about the composition of leaded gasoline without referring the matter to you.

X forgot to say that the gift of $10,030. froa the Lead Industries Association should be designated The Lead Fund.

METHODS OF MEDICAL CONTROL AND SPECIFICATIONS FOR SAFE VERSUS DANGEROUS EXPOSURE IN LEAD USING OCCUPATIONS I.

was reported to have lead poisoning# Mr.

On Dank Do. 2, 2 :.p;o. or lead. no Da :.'.

RESPONSE: Celanese additionally objects to this request for the following reasons: (a) it seeks information that is neither relevant nor reasonably calculated to lead to the discovery of admissible evidence in that it pertains to an entity not a party to this lawsuit; (b) it is unduly burdensome, abusive and harassing; (c) it constitutes an impermissible fishing expedition; and (d) it is not reasonably tailored to include matters relevant to this case.

I?'