VINYL CHLORIDE TOXICOLOGY Vinyl chloride despite its reported synthesis in 1835 did not become an article of commerce until 1928 when Union Carbide Corporation started research and pilot scale manufacture in 1928.

i takes place'< In 1920, In giving evidence before a Parliament* ary Commission that dealt with this subject, I expressed very strongly the view that they barked up the wrong tree and that they passed legislation which, in Itself, was r.ot reasonable and that they e xpected medical men to possess occult or supernatural powers in making a diagnosis of some?

'""w `4.^^; 4 '* '* United State* ' Department op Commence BUREAU or MINKS WASHOMTON mnu7 16, 1926 Dr* A.

K8895DIA058 (k) If this Defendant has an agent for service in the State of Illinois, identify the registered agent.

470 OCCUPATIONAL TUMORS AND ALLIED DISEASES misnomer, since it was shown later on that not only several other aromatic amines, but also related aromatic compounds, may exert a similar blastogenic action upon the urogenous organs.

TUMORS OF THE UROGENOUS ORGANS 473 The frequency of aniline tumors (morbidity statistics) in the working popu lation of different factories evidently varies to a certain extent, depending on the types of chemicals used and produced and, especially, on manufacturing processes employed and precautionary measures taken.

DISEASES OF THE BLOOD FORMING ORGANS 627 BIBLIOGRAPHY 1.

TUMORS OF THE MESENCHYMATOUS TISSUES 687 tential development of an osteogenic sarcoma, and depends upon the fact, whether or not it is possible to remove by therapeutic procedures the radio active matter from the bones before it is able to elicit a neoplastic response.

: Comparison BHwaanMorewether'jFIndlngsIn 1929 and' Prevalorico of Asbestosis In l975.* ,4J"> ?

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FILE NAME: Railroads (RR) DATE: 1929 DOC#: RR070 DOCUMENT DESCRIPTION: Memos & Govt Report Cover Page O N PSP 1 l `yir; I orgies ; A PR 91929 ; I o ' f RAIL=S!

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704 INDUSTRIAL AND ENGINEERING CHEMISTRY Vol. 17, No. 11 dmp!