L t TEH 'OPFICE Co s s e b p o s t ^ i t o s 1 E t h y l Ga s o l i n e Co r p o r a t i o n JU N D rACTU H IN O DEPARTMEN T De e pw a t e r Pl a n t P e n n s G r o v e ,N .

P laza Hotel, Houston, Texas Ju ly 5, 1936 Mr.

Th e Y o u n g s t o w n S h e e t a n d Tu b e Co m p a n y East Chicago, Indiana June 13, 1939 Dr.

March 11, 1932 Mr.

F O R M 191 St oit oa ii OnGompsy .

"t h e W o r k m e n 's C o m p e n s a t i o n in d u s t r ia l Co m m is s io n r.'

March 23, 1936 Mrs.

m o r a in e p r o d u c t s d iv is io n Ge n e r a l Mo t o r s Co r po r a t io n D AYT ON , OH IO, U.S.A December 6 , 1938 D r .

/ Th e J ournal of Industrial H ygiene Published by the H ARVARD SCHOOL OF PUBLIC H EALTH Editor for the Un it ed States Da v id I..

ESTABLISHED(IBSOQB2 W .T / Z*' E.

May S, 1932 Sample of 200 mesh material obtained by screening the material from the bottom of Tank # 2 2 .

/ y September 20, 1937 Dr.

vki v SAFETY COMMITTEE O.

K i f e' ASSOCIATRI KTHYI .

/ } / MICHIGAN DEPARTMENT OF HEALTH * ALBERT E.