This product ranked twenty among seventy leading Cana dian export commodities, compared with 21st place in 1929 (Canadian Trade Index for 1931). .

Dusts may be swallowed with of reaction is caused by toxic dusts like lead, saliva, water, or food, and direct poisoning cadmium, and radium.

The excellent dielectric properties lead to widespread use fo?

That leads to dissociation of the silicic acid framework of the needle and so to the building up of the particle.

That leads to dissociation of the silicic acid framework of the needle and so to the building up of the particle.

The blocking of the lym ph How toward the hilus increases th e spread of dust cells to the pleura and eventually leads to fibrosis of this structure.

2 5 th National Safety' Congress NATIONAL SAFETY COUNCIL, I n c .

.^ -L il Cancer Status Chart: Leading Sites............................................... 5 Cancer's Seven Danger Signals....................................................... 5 f* ^Vj TJ Estimated Cancer Deaths by Sex and Site.................................... 6 XX X^l V-/ XL JLv Estimated New Cancer Cases by Site, by State............................ 7 __ ____ Death Rates for Selected Cancer Sites, 24 Countries................. 8 U.S.

Some dusts are poisonous (lead, mercury, arsenic, manganese, and cadmium) and some act as irritants (silica, steel, iron, and granite).

FILE NAME Industrial Hygiene Foundation IHF DATE 1939-1943 DOC IHF099 DOCUMENT DESCRIPTION Multiple Documents & Newsletters from the Industrial Hygiene Foundation 7/11/00 Barry Castleman-- I have reviewed the Industrial Hygiene Digest issues for the months listed below Those that mention asbestos were copied and are attached I am billing you 3 hours for time spent reviewing the documents 300 , plus 250 for the copying for a total of 550 Albert Donnay Dates of Industrial Hygiene Digests reviewed for BC by AD March 1939 April 1939 May 1939 Sept 1939 Oct 1939 Nov 1939 2 different packets Jan 1940 Feb 1940 March 1940 April 1940 June 1940 Oct 1940 April 1941 June 1941 July 1941 Sept 1941 2 different packets Oct 1941 2 copies of the same packet April 1942 Sept 1942 May 1943 July 1943 Z66I Z66I Z66I Z66Z66II Z66I Z66I Z66I Z66I JOQUIOAONJOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAONJOQUIOAON JOQUIOAON JOQUIOAON JOQUIOAJOQUIOAON N : : :: ABRAMABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM ABRAM RE RERE RE RE RE ON ONON eof - er aoa a Se Try 000801 0 0801 a oy eee : .

Joseph Lead Company FORUM--Impact of Employee Health on Industrial and Public Relations - - - - V. p.

In the report of the National Academy of Sciences Connittee on the Assessment of Polychlorinated Biphenyls In the Environment (Fall, 1979) the comlttee stated the following: "An analysis of PCB data compiled following the criteria of FIFRA and TSCA proposed guidelines, leads to the conclusion that PCB's are persistent and are likely to accumulate.

K e t t e r e r Dear Mr* K e t t e r e r : I have your le t t e r o f October 5th con cern in g th e case of lead poison in g th at is con in g b e fo r e t h e Ch io I n d u s t r i a l Com m ission a t an early d ate.

Changes Unlikely For yean the metal hod been entering the river In ef fluent from a silver, lead and zinc mine upstream.

f i r s t , the Standard Oil Company of In dian a,(an d perhaps other companies) has issu ed in st r u ct ion 3 which on t h eir face appear to apply sp e cifically to leaded gasolin e* st at e th at they.have I t would done t h is seoenmt bad h eir polic own y to r e sp openly on sibilit y although the la t t e r i3 the ease.