Liver and other tissue may be free of Pb despite fatal poisoning, Therefore, the mere presence of Pb in the kidney (or liver) and ingesta should lead to a presumptive diagnosis of Pb poisoning in cattle which die with signs, lesions, and histories character istic of Pb poisoning.

Towlsr, Director of Health Bad Safety, lead Industries Association, Inc., 29a Madison Avenue, Be* Tort 17, Mv Tort.

(Presented at tbe Joint Session of tbe Aaerlcan Zinc Institute and lead Industries Association, Chicago, Illinois, April 30, 1963) mqm 3559 pp LIA1570A -*-*. nuu Aa a libel*, hovavsr, the mineral resource* of America have never ban better prepared to contribute significantly to our national economic progress then they are today.

In addition, beryllium, cobalt, manganese. r.U- titanium, and vanadium were determined by the quantitative spectrographic methods; lead was determined by the L'SPHS dithizone method; and copper, iron, magnesium, and zinc were deter mined by atomic absorption spectrophotometric methods.

In addition, beryllium, cobalt, manganese, r.U- titanium, and vanadium were determined by the quantitative spectrographic methods; lead was determined by the CSPHS dithizone method; and copper, iron, magnesium, and zinc were deter mined by atomic absorption spectrophotometric methods.

A milder treatment with a less polar solvent leads to a phase.

In addition, beryllium, cobalt, manganese. r.U- titanium, and vanadium were determined by the quantitative spectrographic methods; lead was determined by the L'SPHS dithizone method; and copper, iron, magnesium, and zinc were deter mined by atomic absorption spectrophotometric methods.

In addition, beryllium, cobalt, manganese, r.i:- titanium, and vanadium were determined by the quantitative spectrographic methods; lead wag determined by the CSPHS dithlzone method: and copper, iron, magnesium, and zinc weredeit.-- mined by atomic absorption spectrophotometric methods.

(Presented at tbe Joint Session of tbe Aaerlcan Zinc Institute and lead Industries Association, Chicago, Illinois, April 30, 1963) mqm p p LIA1570A -*-*. nuu Aa a libel*, hovavsr, the mineral resource* of America have never ban better prepared to contribute significantly to our national economic progress then they are today.

Towlsr, Director of Health Bad Safety, lead Industries Association, Inc., 29a Madison Avenue, Be* Tort 17, Mv Tort.

In addition, beryllium, cobalt, manganese, rut- titanium, and vanadium were determined by the quantitative spectrographic methods; lead was determined by the USPHS dithizone method: and copper, iron, magnesium, and zinc were de:ft- mined by atomic absorption spectrophotometric methods.

purity Dosage levels calculated on the basis of the lead content (54.62 bv weight) of the Lead Acetate. .

ANSWER: Abex objects to this Interrogatory on the grounds that said"interrogatory seeks irrelevant and immaterial information and is not reasonably calculated to lead to the discovery of admissible evi dence.

Box 2411 Norfolk, Virginia Dear Clarence: Have sent you this date a three foot sample of radiation shield asbestos lead loaded cloth.

Kehoe at hi3 San Francisco addressfjLfty copies of the reprint "Industrial Lead Poisoning