MacCcnnell for exhibiting tetraethyl lead among other industrial hazards.

S k&SS.S;l AVOID INHALATION (See Quick Reference Table) Ordinary Filter-- Nuisance Dusts Special Filter-- Lead Dust (Litharge) RESPIRATORS Chemical Filters for Paint--Mild Acid or Organic Vapors --9-- SC 008558 LAM009770 WEAR GAS MASK (See Quick Reference Table) WEAR IMPERVIOUS CLOTHING (See Quick Reference Table) HOSE MASK AND BLOWER For Long Periods of Protection WEAR AIRPAK (See Quick Reference Table) SCOTT AIRPAK All-Purpose Respiratory Protection -10- --11-- SC 008559 LAM009777 sc 008560 WEAR GAS MASK (See Quick Reference Table) CANISTER TYPE MASK Organic Vapors (tetra ethyl lead) Smoke AVOID EYE SPLASHES AVOID EYE SPLASHES (See Quick Reference Table) Face Shield Attached To Hat FACE SHIELD --12-- SPECTACLE GOGGLES --13-- LAM009772 AVOID EYE SPLASHES (See Quick Reference Table) --14-- HAZARDOUS COMMERCIAL MATERIALS--Reference Notes 1.

As to the problem of lead absorption through the skin, I think it Is fair to say that with the exception of the organic lead compounds, such as tetraethyl lead, there is no significant absorp tion of lead through the skin.

th about the plana of oDtrh.eMr aincCdcunsnterlilaflohraezxarhdisb.iting tetraethyl lead among mbaQinetwefeeoot.trhroifmnagittanhtitsatoieitmnnrcIeeea.sbstI.hoHuasotlhlwDaenvlrlo.ertbMeIbaocwoCnaoFboumnlliedyrnsewattlolpa'yyspoaruetteotxceahin^aSidetobeuipttthhhroewabvAhDaiminbceghelytrrimaconaaiyyt I am taking this occasion aathdgedairnepsrostoebdlecmtaolol Dfyrlo.euaErddagitantre,nextciohonancuestrtonginmagysevlse.atrtioeTurhseoreprhigiasisnensaolloyf rwinuofsuohlrdmabbaeotiuovtnertyhasisuissbeufuat vlIatiowlaobhuallevdeaasptopmyreoeucoriafctetohnehvaevdniainetegncisenu. chsuI tp' port of the statement in the letter which Dr.

Fatal Tetraethyl Lead Intoxication Brain Liver Kidney Flat Bone Long Bone 0.61 0.46 0 .56 0.46 1.0 8 I .65 0 .8 5 1.71 5.0 2 2.40 2.90 2.54 2.00 2.40 0.97 0.97 0.84 0.76 0.64 1.31 0.99 2.50 0.91 2.95 2.62 1. 12 F aMntmaw mlw Inorganic Lead mmmnhi Intoxication J.G.

Treated with 0.75 c.c. lead tetraethyl on skin of belly.

The quantity of tetraethyl lead which can be Ingested in handling commercial gasoline is entirely negligible, and is of no consequence so far as the danger of lead poisoning is concerned.

I* DuPont de Nemours and Company concerning the use of leaded gasolines has described a somewhat circuitous course, and has reached m y desk because this laboratory has been concerned w i t h the Investigation of the possible hazards which might be expected to arise from the use ... of gasolines containing tetraethyl lead, I am glad to make reply to your questions# The possibility of the absorption of lead on the part of garage mechanics by reason of the lead content of gasoline has been carefully investigated.

-x/ Superintendent, Tetraethyl Lead & Freon r / W.

Medlin* DUP050052861 "FREON" AND TETRAETHYL LEAD 7/1/78 (3) DUP050052862 WORKS ENGINEERING DEPARTMENT Jt V.- ?

Wihera Superintendent, Tetraethyl Lead "Freon" V.

Tetraethyl V~ effect -of many compounds tested but leads to a slight precip- | itate.

I am returning herewith, your type- _ written copy of your recent appraisals of lead basaras ssd l :v.

Recovery occurred in bo indeed it may be said that no permanent seq seen in relation to tetraethyl lead intoxica hand air.

The 1353 com i (Ahhoi-h moil gao|lrxs now con mittee said it was "regrettable* PUS tain it, adding tetraethyl lead it not had r*A done to.