Among other products manufactured by National I-ead Company are hard- I ening lead, flake white, lead tubing, lead wire, litharge, type metal, and glass- makers' red-lead

Dr Hational Lead Co.

Dr Hational Lead Co.

ESTIMATED LEAD CCKSUMPTICH BT PRODUCTS - 1963 (In Short Tons) Tetraethyl Lead Litharge Black Cbdda Red Lead White Lead Lead Chromates Load Arsenate Miscellaneous Lead Compounds 190,000 90,000 170,000 25,000 10,500 20,000 2,500 8.000 TOTAL LEAD COMPOUNDS 516,000 Antlmonial Lead Products Cable Sheathing Solder Calking Lead Ammunition Pipe and Extruded Products Rolled Products Type Hetal Bearing Metals Miscellaneous 225,000 56,000 73,000 80,000 50,000 20,000 34,000 26,000 21,500 -62.200 o TOTAL METALLIC LEAD PRODUCTS 649,700 TOTAL 1,165,700 LlA24016 hri'rti i i--miinwf 11 i^i mV ifn -3* The Position of Lead in a Changing Technology Another way is to break lead's usage down by industries.

ESTIMATED LEAD CCKSUMPTICH BT PRODUCTS - 1963 (In Short Tons) Tetraethyl Lead Litharge Black Cbdda Red Lead White Lead Lead Chromates Load Arsenate Miscellaneous Lead Compounds 190,000 90,000 170,000 25,000 10,500 20,000 2,500 8.000 TOTAL LEAD COMPOUNDS 516,000 Antlmonial Lead Products Cable Sheathing Solder Calking Lead Ammunition Pipe and Extruded Products Rolled Products Type Hetal Bearing Metals Miscellaneous 225,000 56,000 73,000 80,000 50,000 20,000 34,000 26,000 21,500 -62.200 o TOTAL METALLIC LEAD PRODUCTS 649,700 TOTAL 1,165,700 LlA24016 hri'rti i i--miinwf 11 i^i mV ifn -3* The Position of Lead in a Changing Technology Another way is to break lead's usage down by industries.

tained lead.

(a) The relationship between urinary lead excretion and the stream of continuing lead absorption* (b) The relationship betveen urinary lead absorption and the quantity of lead in the body. ( (c) The relationship betveen urinary lead excretion and alimentary lead excretion.

red lead.

The separation of ingested and inhaled quantities of lead appeared to be advisable, if for no other reason than that the prevailing concept of occupational exposure to lead was that long-term lead inhalation caused lead poisoning.

The separation of ingested and inhaled quantities of lead appeared to be advisable, if for no other reason than that the prevailing concept of occupational exposure to lead was that long-term lead inhalation caused lead poisoning.

The term f,lead particles" will be recognized as meaning "lead-containing particles

Plant uptake of lead from soil will probably be better related to soluble lead rather than total lead.

It is a svmbol that may be specified easilv in purchasing calking lead, and lead so stamped cost no more than ordinarv lead.

Twenty-eight tons of lead were used in lead comes and in covering for the structural steel.

Lead levels in all old leaded paint are high enough for this estimate; so are lead levels in some dust and soil contaminated from lead fallout In air or weathering paint (U.S.