LEAD INDUSTRIES ASSOCIATION aae ixxtNaroM a v c n iic NEW YORK IT.

.; of Illlnol* for the aoadenic year 1957-1953 for research on lead in ceramics.

There may also be some hygienic problem in connectien with the burning of leaded fuel or the disposition of the filters.

There was no analysis other than for total lead, and no measurement for particle size.

This technique could readily be applied to animals irx metabolic studies of lead, although lead-203 would probably be a better choice of isotope because of its shorter half-life.

Joseph Lead Co.

PRICES TJRI VHTTK LEAD AND ViiiTE LEAD S'1 OIL IWlffi - SEPTEMBER 30,1957 EFFECTIVE - OCTOBER 1,1957 INDUSTRIALS DRT WHITS LEAD PACKAGE t r ic e 50-Ib.

I am quite aware of the fact that there Is a lead hazard In the manufacture of such steels.

There was no analysis other than for total lead, and no measurement for particle size.

Would it be possible to incorpor ate this on the lead labels also?

I particularly appreciate the Information in regard to the epidemic "of lead poisoning as a result of using lead covered wood for fuel".

There may also be some hygienic problem in connection with the burning of leaded fuel or the disposition of the filters.

PRICES TJRI VHTTK LEAD AND ViiiTE LEAD S'1 OIL IWlffi - SEPTEMBER 30,1957 EFFECTIVE - OCTOBER 1,1957 INDUSTRIALS DRT WHITS LEAD PACKAGE t r ic e 50-Ib.

mji * 'n.yij* y LU22060 rfc - LEAD INDUSTRIES ASSOCIATION 4S0 UDUNOTOM AVOWS Nrw vomc it , k . r.

He is especially interested in the fact that your controls gave either negative results or questionable traces' of lead* Would you be kind enough to let us know what line or lines you have been using in the detection of lead.