i at er i al : B~D Va c u t a i n e r s So u r c e : St o c k a s s u p p l i e d b y Be c t o n - Di c k i n s o n Co mp a n y , Ru t h e r f o r d , Ne w J e r s e y Re q u i r e d : De t e r mi n a t i o n o f r a n g e o f l e a d c o n t a mi n a t i o n r e s u l t i n g f r o m t he us e of B- D t u b e s not ' u n d e r g o i n g s p e c i a l c l e a n i n g .

I A A IS \)i1 l>* December 26, 191+0 'd?

THEASSOCIATED ETHYL COMPANY LIMITED MEDICAL SERVICES ELLESMERE PORT, CHESHIRE Hea d Of f ic e : 20 BERKELEYSQUARE, LONDON,W.

Committee on Air Pollution from Automotive Engine Exhaust City of Cincinnati \ 0 cm 1 o o lu N16594 CHAIRMAN Dean Cornelius Wandmacher College of Engineering University of Cincinnati SECRETARY Chas.

INSTRUCT ICITS FOR TjIE COLLECTION OF LARGE SAMPLES OF URINE ' FOR LEAD ANALYSIS....

imWQK ;/ Harr.!

1; AMERICAN LEAD PLANT Teleph on e: Imperial 4447 - 4448 Chicago Branch Manuf act urers of D U T C H B O Y P R O D U C T S R.

^ --.

October 1.5, 395?

sf V>'r May kfl93& Dr.

Dr.

r - / 0 'i \ Age Ke i . t 5* o4w Ider , . . ed by Star . . : ..p iiar DJMct AUTOP SY ' C* No . 331 ' Ap p r oxim a te Saigh t 105 ib s . ay s c u ie .

' . ' ' .. i *` ^ ; '' December 2 1 , 19& Mr.

December JO, IJI4.O -Mr.

June 17> Vj o ?