CAST ACRYLIC SHEET National Lead Pigments and Chemicals Div.

A.P.I. is going ahead with the TEL economics study on present basis of no lead versus 3GC/gallon, with no in between concentrations. 3.

FOR IMMEDIATE RET.RASE NEW YORK, DECEMBER 11, 1962 - National Lead Company has announced the appointment of William R.

I can suggest an answer to only one of the points in your latter, that which is concerned with the state of lead in the human body and in ground water.

Incidentially, we have been able since the onset of my relationships with the lead problem in the tube manufacturing in this company, to reduce the average blood lead level of the employee from 67 micro grams percent to 31 micro grams percent.

P lr Tbraat * Chans# reflnlnd technique* to sllalnau lead addltlvta.

DETERMINATION OF LEAD IN AIR X.

s products is irrelevant and immaterial and not reasonably calculated to lead to the discovery of admissible evidence. ~ INTERROGATORIES 1.

A product of National Lead Company.

A product of National Lead Company.

Lead drier is omitted from the formulation to enhance the resistance to sulfide staining of the resulting paint, calcium napKthenate being used in lieu of lead tallate.

The Lead Industries Association, for example, has recom mended against employment of fertile, pregnant, or nursing women in the lead industries "until such time as adequate information i . been developed regarding the effect of lead."

Threshold Limit Value for air borne lead: 0.2 Mg.

These facts, following their confirmation arid further elucidation, were destined to have e profound effect upon hygienic concepts and practices in the lead trades and in the community as a whole, with respect to the physiological significance of lead exposure.

Our members volun tarily took such a lead.