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PLAINTIFF'S EXHIBIT o (I XtfF W I " '^r-v nn/ ,**1 r\ r~!

Fumes may result from any of several chemical or physico-chemical changes such as zinc oxide, formed when burning zinc vapors arise from molten brass, or lead occurring in the exhaust of a motor car burning gasoline containing tetra-ethyl lead.

Han Bo# T etraethyl lead# 0.420 T rlathyl Load. 0.023 M ethyl lead.

.: ; L Septesber 2f I965 IZAD ETCIZSZ AID SA/ETT BQLLZTO >0. 16b To All Moefeara of tba lead IwLuatriaa AaAoclatlan, Xoe.t W aura AttarMeg for you a copy of tba flrat pub11Abed raport On tbe aurvey node by tb* Cblted State* Futile Health Service Aod entitled "Surrey of Lead 1a tbe Atnoepbere of Ibree Urban Ccrxrur.itl*i A Stsaary." 7M *urwy 1* tbe noet titSilvt emr conducted anywhere of potenttl lead expoAure La Air.

RESPONSE: DuPont objects {0 this Request fo Admission on he ground that tis deliberately incompleteand calculated o lead to 3 false conclusion.

(h) Abex objects to this interrogatory on the grounds it is vague, ambiguous and is not calculated to lead to the discovery of admissible evidence.

0007-SWP-000131204 I I ii !

His lead operator D.

*eseae 3p*eMM'MMeavoe^oesft^jf rotiwitete is^ear atuetoaaace^hife^esedaa foragorae vourJr;senlann . 4CTfm*gullaift- Xt appear* that only the 64* lead carbonate hat produced any dbwnatic effects on the' rate* : - Midvaet Research has quoted a price of $13,000 to conduct a lead acetate feeding atady.

Childhood Lead Poisoning Lead poisoning is epidemic in the ghettos of our cities.

Baton Rouge, La Gentlemen: I would appreciate any information, or litera ture that you can send me on the subject "V/hat harmful effects lead in gasoline has on workers using it, and what content of lead is not harmful to 'sorters".

Depend on Dutch Boy* Wplte Lead J to make you and your work look good!

Louia. 722 Chestnut St. 3240 24th St.; Boston, NarRmal - Boston Lead Co#, 800 Albany St?

Sanford E.I. cluPont de Nemours &, Company Lead Plant Baton Rouge, Louisiana Dear Doctor Sanford: I am enclosing herewith two copies of the memorandum on my last visit to the Lead Area, one for you and one for Harry Fisher, whom I did not get to see when I was in Baton Rouge.