--'Pi3H7A.3Y 1S29----- Dl Saw York, February 26tb, 1929. ?

CANCERS OF THE RESPIRATORY SYSTEM 373 Matolscy Schonherr Junghanns Hueper Seyfarth Wahl Jaffe .

19 2 7 TRANSACTIONS OF THE National Safety Council SIXTEENTH ANNUAL SAFETY CONGRESS VOLUME I X September 26 to 30, 1927 The Hotel Stevens CHICAGO Copyright, 1928, National Safety Council CONTENTS Council Officers and Directors--...........--....................-..........................

178 INDUSTRIAL HYGIENE AND OCCUPATIONAL MEDICINE welfare measures against a background of ideas which are still within the memory of workers, even if they are no longer adhered to.

DAVID S.

Mmsanto >* m l.< K.

ArocLor 1342 "Monsanto Aroclor is Monsanto's trade mark for its capacitor impregnant composed of chlorinated biphenyl.

To: ' 3 - 5>o - C MANUFACTURING CHEMISTS ASSOC^^J2J^ 1925 CONNECTICUT AVENUE, N.

Edward Howard jCo.

i * TAl.Lt II Ainionr. asJitSTOS f lj'r R r.tiisilNf.

C0 .valburn Petroleum Go., mac., 32 Broadway, ;.ew York, K.

April 4, 1929 f Mr* Calvin P* Reiei, The Travelers Insurance Co., 30-42 E. 42nd St., Hew York City* Pear lir.

ACCt~riATI OIT OF LEAD I IT GARAGES UHEHE ETHYL GAS I S USES R ep o rt o f cm I n v e s t i g a t i o n C onducted i n th e S e r v ic e Ga rage of th e G eneral M otors R esearch C o rp o ratio n fo r th e P urpose of D eterm ining th e Amount and P ro p o rtio n o f Lead in th e Dust Accum ulating on th e F lo o rs o f G arages Used by C ars Running on E th y l Gas.

7. \ Int er -Office Cor r espondence Et iiyl Gasol ine Corporat ion 25 1HOADWAY New Yo r k November 16, 1927. 0000721 Dr.

May 25, 1928 Mr, E.