This lead to the conclusion of a catal/st deficiency in the chlorination process.

The trend could lead to instances where the agency lacks evidence at 45 days to disapprove the TME but decides later in the PMN review period to take some regulatory action on the new substance, he noted.

Group 7 fibres used in floor tiles by all lead ing United States manufacturers amounted to approximately 170,000 tons in 1952

PLAINTIFF'S EXHIBIT INTERIM REPORT API RESEARCH REPORT MC-1 March 17, 1958 THE KETTERING LABORATORY in llin Dapaitmani of Pravantivn Median* and Industrial Health Collage of Medicine UNIVERSITY OF CINCINNATI, CINCINNATI, OHIO SC-API-2990 INTERIM REPORT API RESEARCH PROJECT MC-1 I.

Da.MrUaa lead *!

Ilnwex-er. no particular p.utixn in the residen tial history could be idixitified that could lead to finding environ mental factors common to everyone I'.wt iKiupation.il Ixxlixv xlxmixl iKlI all llx-se woikeis s|hxi( ucc 006429 the greater part of tlx'ir active lives working (or tlx' same em ployer.

FILE NAME: Packings and Gaskets (PAG) DATE: 1958 DOC#: PAG053 DOCUMENT DESCRIPTION: Excerpt - Industrial Hygiene Journal - Asbestos VOI UME 19 , NUM8 ER 1 February 1958 i ASSOCIATION p u b l i s h e d by THE W I L L I A M S & BALTIMORE 2 , MARYLAND WILKINS COMPANY f T?

Smith, 222. which have permitted the development of highly precise and satisfactory techniques for carcinogenic principals# Many of us have felt that that enterprise subse quently conducted at Hew York University, in the Medical Department# hae provided important data, indeed principals which may lend themselves to study of pulmonary as well as other environmental types of cancers* I refer, of course# to the study of that form of cancer induced in experimental animals and conceivably in man, by the positive action of high temperature catalytlo agents, fuel oil# Doctor Smith and his associates were able to demonstrate the oause of these activities of these can-- pounds of this material, and of certain compounds contained therein* There are strong suggestions that no one pure compound induces the neoplastic change, but rather a combin' 1 ation of several# There was also strong evidence that tala combination of materials will induce cancer in the primate, which I regard as an important advance# If we have, then, the principal of possible k u 1" tiple origin or whole carcinogenesis, that provides at least leads for further laves tigation* e have also been h&ppy to have with ua Doctor 1-WXttt'**?'

:,V pathology studies, rnssxiature films 284 405 ' 79 78,604 496 A traosphertc pollution (see air pollution) Atmospheric turbulence measurement 643 Atomic bomb casualties, treatment effects on blood 747 619 A vtation toxicology (bk. rev.) 559 Bacteria and odor control problem 102 Bagassosii 5QI BA L therapy m leau poisoning 361 therapy in thallium poisoning 148,813,319 vs. citrate in lead poisoning 469 careers1 aueaje Banrosis, zz.se Beat cisoroers and staphyiococcai .r.iection Benzene au homoiogues. poisoning bieoa dyscrasias from factories health of workers metabolism poisoning and erythromyeiosis effect on piateiet3 hematology 1.1 . . 7T 3

(406) MINUTES of the sixty-second meeting of the Directors of the Manufacturing Chemists' Association, Inc. , held at the Union Club, New York City, on September x i, 1956, at 11:00 a. m.

E.

., 1152-1154 PROCESS HEATING UNITS, ORNAMENTAL GRILLES (See Deflection Grilles, Grilles, Registers PIPE, Lead and Ornamental Metal Work, Lou Eagle-Picher Co., The, 1427 vers, Registers) Fluid Heating and Cooling Dravo Corp., 1126-1127 Arthur A.

We might add th a t our tank tru ck s a re placarded by h arin g an enamelled sig n approximately 15" x 24" displayed oa each side of ths t r a i l e r , bearing the following warning: WASHING .CONTAINS TETRAETHYL LEAD: CONTENTS POISONOUS.

I am heretic enough to believe it is of more value to teach a child how to cross the street safely in the middle of. a block than to let his teaching be to wait for the policeman to lead him across by the hand.

-lead; to the production of eonsidyerab.y more dust than is seen in lithe cuarries. ' TI ese authors have clinically jhtJ examined the employees of six Pa"w cific Coast plants and have also carried on some animal experimenlation and obtained autopsies on 2j workers employed in indus try, of whom four died of diatoma. ceon, earth pneumoconiosis.