as thoroughly cleaned, no one could make a definite decision that it did or did not still contain enough lead fumes to be dangerous and therefore in order to run no risk, I saw no reason why we should say it was wholly un- ^ necessary.

Gardiner should rofor this setter to tho National Lead company In leu York.

Inland White Lead Co.

Kehoe, Many thanks for your letter of January 17th relative to potential hazards associated wibh the cleaning of tanks which have been used for blending and storing leaded vaseline.

In searching through our f ile s I have not been able to lo cate the h isto ry under the index heading of lead poisoning nor have I been ab le to find any c r o s s i n d e x which w o u ld g iv e me a c l u e . .As I to ld D octor Edgar in our c o n v e rsa tio n , our im pression at th e tim e th e p a t i e n t was h ere was t h a t th e nervous system symptoms were a t t r i b u t a b l e t o t e t r a - e t h y l l e a d .

The first inquiry was as to why the manufacturers of the pumps, who apparently expect to dispose of them to oil companies# did not take into consideration the fact that the labeling of pumps dispensing leaded gasoline is a usual practice and has been for a period of years# and make provision for this in their design.

Inversion of the R-spike with bradycardia is shown in the record from dog 6, lead II, chart 1.

DU PONT DE NEMOURS A CO. iMtrMrdU FINISHES DIVISION WILMINSTOM, DILAWAtl PREPARED PAINT 40--Outwit Whit*............... 47--Black............................ 67--Dark Buff..................... 68--Dark Lead.................... 77--Oak Leaf Brown........... 77-D--Old TrigKth Brows....... 82--Deep ITory................... 87--Maple Leaf Bed........... 80--View Drab................. 83--Blue............................... 106--Brooee Greta................

INTERNATIONAL SMELTING AND REFINING COMPANY ZINC OXIDE DEPARTMENT EAST CHICAGO, INDIANA ANNUAL REPORT YEAR 1939 *** PNYC 00012359 INTZRKATIOKAL SMEITIKQ ASP HSiTSIHO COMPANY BAST CHIflAQO, IHDIAKA SUMMARY 0?

Sections were cut with a glass knife, stained with lead citrate and urany) acetate, and examined with the electron microscope.

'c' ' poJ^^adicction.

If biodegrad- 1 able organic matter does form, the system will be susceptible to biological growth, which can lead to unwanted degradation of the test materials (4).

FILE NAME: Oil Industry and American Petroleum Institute (API) DATE: 1939 July DOC#: API156 DOCUMENT DESCRIPTION: The Medical Bulletin Article - Standard Oil Co. of Louisiana Manufacturing Dept Summary of Medical Activities 1938 4 e3 | MEDICAL BULLETIN : JULY, 1939 No. 2 CONTENTS . ... ... .

No leads are in because of the ease with which troduced after impregnation.

Qta. 1.96 2.02 .63 .64 DUP 000150 1 i i ( I t \ HOUSE PAINTS DU PONT PREPARED PAINT 40--Outride White......... 47--Black........................ 87--Dark Buff................ 68--Duk Lead............... 77--Oak Leaf Brown.... 77-D--Old RngTnh Brava.. 82--Deep ITory.............. 87--Maple Leaf Bed....... 96--Vienna Drab............ 63--Blue.......................... 106--Bronae Green........... 138--Cream...................... 1S1--Dark Mom Green... 160--Scotch Gray............. 162--Dark Apple Green... 163--Patina Green........... 164--Light Blue............... 172--Maroon....................