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Wilt Industry decries OSHA's For example, we do not know the mecha number of liver cancer cases being 10 nism by which a chemical carcinogen time* thane expected in a similar unex no'detectable level rule as unnecessarily harsh; operates or whether a safe level of ex pected population.

Polyvinyl Chloride Pneumoconiosis: Epidemiological Study of Exposed Workers Giuseppe Mastrangelo, M.O.; Maurizio Manno, M.D.; Guido Marcer, M.D.; Giovanni Battista Bartolucci, M.D.; Carla Gemignani, M.D.; Giulia Saladino, M.D.; Lorenzo Simonato, M.D.; and Bruno Saia, M.D.

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* .4 x (biOH'juniO from C.0.

n, e*" t *m LIST OF ATTACHMENTS ^ 1/30/74 Chemical Week , p. 15.

NICHOLAS RDUBSOB COMMISSIONER August 6, 1975 IN YOUR REPLY REFER TO FILE 76-91 Mr* Paul Bureau Personnel Director Monsanto Company 730 Worcester Street Indian Ctchardy Ma 01051 Dear Mr* Bureau: list of deaths which I said I would forward ) The work area data are, obviously, crude* k histories of these workers, which you could important in the thorough evaluation of this .V?

N'overaber 16 1976 Regional Administrator, Region Q U.

- MAY 30 1975 EVERETT H.

t# 30^ MANUFACTURING CHEMISTS ASSOCIATION 1825 CONNECTICUT AVENUE, N.W.

s&4 y/jc#~- / f January 21. 1977 J.

Rats inhaling benzene [71-43-2] or carbon tetrachloride [56-23-5] vapors at various cor.cns. showed a no. of abnormalities in NERVE-MUSCLE FUNCTION, blood cell compn., and in body wt. and internal organ wt.