ll ---- Johns-Manville TWehty-TWo East Fortieth**Street . \\, New '* Yor. .k.N.Y. .

1938 Boston Bound Brook Jhicago Cleveland Dallas Lead (forks Minneapolis Newark Oakland 0 3 A M (Coffeyvillo) 0 S A M (Magdalena} Ohio Domeatlo Corparation.

DEFINITION - A TANKERMAN - ANY PERSON HOLDING A CERTIFICATE - ISSUED BY THE COAST GUARD - ATTESTING TO HIS COMPETENCY - IN THE HANDLING OF CERTAIN LIQUID CARGOS IN BULK: (OUR LEAD TANKERMEN).

My only p o in t Is th a t the u rin a ry r e s u lt s in a given case are more l i k e l y to be d e f i n i t e l y abnoratal than a re the blood fin d in g s I am n o t q u ite c e r t a i n as to th e p h y s io lo g ic I n t e r p r e t a t i o n o f th is f a c t, b u t th a t I t is a f a c t is w ith o u t doubt* I p e rso n a lly lik e to have both blood sam ples and u rin e samples f o r a n a ly sis In most e a s e s , and in come in s t a n c e s , e s p e c i a l l y th o se w ith r e c e n t e x p o s u re , I l i k e t o h ave f e c a l sam ples a ls o * The l a t t e r a r e , of c o u rse , th e l e a s t u s e fu l In m o st'c a se s sin c e i t is v ery d if f ic u lt to In te rp re t the r e s u lts of a sin g le fe c a l an aly sis on acco u n t of th e ex trem e v a r i a b i l i t y of th e le a d c o n te n t o f th e food m a te r ia l* In th e c a se of c h i l d r e n , how ever, on s e v e r a l occasions a d ia g n o sis h as been made p o ssib le by the d isc o v ery of p a in t-c o v e r rd fragm ents of wooden o b je c ts in the sto o l* In c id e n ta lly , b efo re concluding,- I should p o in t out th a t In our experience, th ere is very l i t t l e d iffe re n ce in the r a te of lead ex cretio n of children as .compared to a d u lts , w hether under normal co n d itio n s o r under c o n d itio n s o f le a d ex p o su re* I am n o t p re p a re d to say t h a t t h i s i s always th e c a s e , b u t so f a r we a r e n o t j u s t i f i e d in d if f e r e n tia tin g ch ild ren from ad u lts w ith re sp e c t to ra te -of le a d e x c re tio n * ' : Sincerely yours, , RAIijis ` R o b e rt "XT"'Kehoe,''M".'

62817 H UNITED STATES HOUSING- AUTHORITY Interoffice Memorandum May 8, 1939.

The inhalation of asbestos dust in high concentrations leads to the appearance of asbestosis bodies in

FILE NAME Insurance Industry INS DATE 1936 DOC INS020 DOCUMENT DESCRIPTION Article from The Eastern Underwriter - O.D.

To Painters (Established) Direct On the painter direct business wo will authorizo tho granting of one of these features to pny painter customer who has purchased in ex cess of $300.00 worth of material from us during 1936 and whose business we continuo to enjoy in 1937, In estimating these purchases Lead in Oil,.

Lead poisoning is far from rare in the foundry.

Upon discharge, it will be quenched by a water spray, and fed to a collecting header which will lead it away for further treatment.

Lead poisoning is far from rare in the foundry.

FILE NAME: Maryland Casualty Company (MCC) DATE: 1934 July 28 DOC#: MCC010 DOCUMENT DESCRIPTION: Article from The Weekly Underwriter - Disease or Injury-Occypational Disease-Negligence [Legal Case] '7. r jijJUjA U 'fol Published every Satur day by the Under writer Pig. and Pub.

(This is a study of one case of pneumoconiosis where the authors raise the assumption that aspiration of pvc dust may lead to pneumoconiosis.

SPECIAL MEETING OF THE BOARD OF DIRECTORS OF DEWEY AND ALMY CHEMICAL COMPANY, HELD ON WEDNESDAY, DECEMBER 3rd, 1930 AT FOUR 0*CLOCK IN THE AFTERNOON AT THE OFFICE OF THE CORPORATION, 235 HARVEY STREET, NORTH CAMBRIDGE.

Lead Industry.