White-lead added to tinted paint will lighten the color.

Place the cell In the oven and connect the alligator clips so the back lead is connected to the outer electrode and the front lead to the Inner electrode. 4.

This merely suggests that lead is spread ing through the lower atmosphere.

Is this theory also held regarding the toxic effects of lead?

Next the lead, roasted zinc ores, coal, chatts and other ingredients are carefully For leaded zinc oxide, the proper is placed on a bed of coal in a special f nace.

C 7 Coulston) too weak for R-6 Lead silicate (Goodlnss YJall & Sept. 0 33 Lead, Inc.) compared unfavor ably to 45X lead silicate (national Lead) Oct.

Basic Silicate White Lead T.

Connect leads.

Babbitt bearing metal cetrfam- ir.c approximately 75 per -cat lead bate been encountered.

All Rights Reserved Library of Congress Catalog Card Number 58-9220 FOURTH PRINTING, JULY, 1967 PRINTED IN THE UNITED STATES OF AMERICA POTENTIAL EXPOSURES IN INDUSTRY 2243 Armature Workers Lead "tinning" baths and lead pots, when small and equipped with tempera ture controls, may not present serious lead exposures.

In such a sample the hour to hour variations will be Ironed out and we have reason to believe that In such a sample ne are dealing with an average secretory condition. 4 lead content In the urine of one tenth of a milligram or more per liter Is obviously significant of a comparatively recent exposure to lead, and if the quantity is In ecess of fcwcNtnths of a milligram per liter, we feed:-certain that we are dealing with significant lead exposure* Kot all persons with this level of lead excretion show symptoms* A very large proportion of persons with symptoms show levels of this order of magnitude* r You will note that I am Inclined to pat much greater faith in the analytical results from more than one source than in a single sample* It is for that reason that X like to have a sample of urine and a sample of blood obtained substantially simultaneously, if this Is possible* t truet X have not indulged in any repetition of my former remarks to you, but X want to be quite clear as to my point of view and the reasons for it.

Glean the leads, beads, and or celain tubes periodically.

Leaded poroelain anaml on alimlpm la ecaiparstlrely new aad stand ing.

dependents alleges death LIBERTY MUTUAL INSURANCE COMPANY 0007-SWP -000031002 PROBLEMS CQKSTOgtED AND ACTION TAKEN Atmospheric Lead Surveys Atmospheric lead surreys were made In November, 1955 and June, 1956.

O WRO 05776 ZONOUTE LEADING CUSTOMER REPORT__________________________________ DECEWBER 3 1 .1 9 6 9 _________ PAGE 2 3 b UNOER 1 0 ,0 0 0 Z 0 N 0 U T 6 LEADING CUSTOMER REPORT__________________________________ OECEHBER 3 1 .1 9 6 9 _________ PAGE 275 UNDER 1 0 .0 0 0 FREEPOaT M ttLS ^O O E P135 IQOiOO WRG 05779 ZONOLITE LEADING CUSTOMER REPORT__________________________________ DECEMBER 3 1 .1 9 6 9 _________ PAGE 300 UNDER lOtOCO WRG 05781 o UJ CC op UJ <2 UJ UJ CC > CC i/i CD >- <O O -I CL O D< UJ < CC CC <K oo cd C< J CC u Cd O U0J.