Complete clinical examination (consisting of physical examination, microscopic blood examination (Red count, white count, differential count, haemoglobin determination, count of stippled erythrocytes), urinalysis, lead analysis of urine and lead analysis ofblood| lead analysis of faeces.)

JLn/ net WEIGHT PURE WHITE LEAD Basic Carbonate of Lead.......... 89% Linseed OIL.................................9% Mineral Spirits......................... - 2% 100% Jo h n Lu c a s 6 Co mp a n y , me.

Kehoe Required: Lead Analyses URINE Analysis Number Volume Specific Gravity Mg* Pb/Liter - 60A- 8257 - 138 mli - 1.028 - 0.08 BLOOD Analysis Number Grams Mg.

Po/ Crams 200 <$. 16;9 20 ;2 21;2 0.030 0.055 0.CA5 The eooeeotrstioa oi lead i& each ot the bleed speciaees Is veil ylthl.a boivU Halts sad does aot suggest acy sbaorsel exposure to lead.

It is my understanding that it is the intention of your Company to permit the use of tetraethyl lead in gasoline of 82 octane number and above, limiting this to gasoline for aviation purposes, in amount.not to exceed 4-1/2 e.c. tetraethyl lead per U.

Baltimore and Ohio Ballroad Comjpany '- Freight`oharges on 100 bbls.ehlte lead as per Freight Bill Bo. 160436 of the Baltimore and Ohio 8.

' ; LIA07537 1 LEAD INDUSTRIES ASSOCIATION 400 I rraWTON AVIMMI i NOW VOMC 17.

-U a:iT NATIONAL LEAD COMPANY--New York.

Floersheimer regarding Evans Lead.

There vas no^evdehc found which would support a diagnosis of lead intoxication and analysis of the blood for lead shoved a lead level hot in excess of normal unexposed individuals.

Considering the very low organic lead content of this scale., it is quite apparent that there is no significant exposure involved.

m nm g ' \|\ WSSfg \sjf\ IJzZm&ZL* j<j \T\W#A.OWCW*AAWkI//*]1V n et WEIGHT STRICTLY PURE WHITE LEAD SOFT PASTE Basic Carbonate of Lead...........89% Linseed Oil ............................ 9% Mineral Spirits........................... 2% 100% PENINSULAR PAINT & VARNISH CO.

Considering the very low organic lead content of this scale., it is quite apparent that there is no significant exposure involved.

Yours very truly, HAMMOND LEAD PRODUCTS, INC.

National Lead ft Co. of Pa- )6 Fourth Art. t ,; Philadelphia.