Kehoe Kettering Laboratory Eden Avenue Cincinnati 1$3 Ohio Dear Bob: As you know, we are proceeding with our expert ments on what comes out of the tailpipe of an automobile as far as lead is concerned pretty much along the lines that were indicated in the reports we forwarded you sometime ago.

p* , Mirar #2 leaded iw is f afslisg. 3M febeetra 4.e 4.

Also, during 1959, upon the introduction of the three new compact cars, we became one of the leading independent suppliers of parts for these models, furnishing many of the components in which the Company specializes. 5.

For example, under Fotm SO*4A the basic specification ASA 21.6-1953 (AWWA CIO6-53), a manufacturer could supply 6" pipe, made of 18/4Q iron in wall thicknesses from..38" up to .48", with or without cement lining and with oen bells for lead or compound joints; mechanical (bolted) Joints, or slip-joints

An arrangement lias been made with Du Pont* to supply the tetraethyl fluid and to see that it is properly mixed with the other ingredients of the Vitane at a more or less standard mixing plant of the type used for mixing tetraethyl lead with gasoline.

Kehoe: It w as v e ry kind of you indeed to look up th e s ta tis tic s on lead poisoning.

R o b e r t A K e h o e Ad d r ess C in c in n a t i Fr o m G e o r ge F 0 Kir b y Su b je c t R e q u e s t f o r I n f o r m a t i o n b y E s s o R e s e a r c h an d E n g i n e e r i n g ________ Ad d r ess Bat o n Rou ge Da t e M ay 10, 1956 You c alle d about two w ee k s ago w ith r e ga r d to a r e q u e st for in form ation on tetram eth yl lead or m ixed m eth yl eth yl com poun ds.

Scranton Plant (17) -- Hearings before Judge Bicks on the petition of the Trustee in Bankruptcy of Rimxmt-Mrplane & Marine Instruments, Inc. for approval of an arrangement whereby this property would be offered for sale at public auction, as authorized by our Executive Committee September 14, 1959# have resulted in the allowance of our claim, in effect, as a class of creditor subordinate in part to the general creditors, Immediate transfer of the property to our name, and imnediate payment to us of $4,000 deposited to the account of The Easton Lead Company.

This would exclude the organic tin stabilisers, and because of reputation alone* the lead stabilisers* Reviewing the plasticisers listed In the correspondence regarding the formulation, the following are brief notes on the toxicity of those plasticisers which we have studied. ec-55 tow order of acute aval toxicity* Net an Irritant or a aensltlser* A~86 Noderate acute oral toxicity, hut considered safe for proposed use* Not irritating* but was not tested via human patch teste* TOP hew order of acute oral toxicity* Nildly Irri tating to the flkla, probably a oensltiser. 0 Low order of acute oral toxicity* footed upon thirty human subjects--no sensitisation but 3 per cent primary Irritation* OI |/u\ oA 063408 Hr.

Loss of polymerization control often leads to venting reactors to the air or vessel failure with fire and explosion hazards. 2.

Experimental examina tion established a preliminary maximum allowable concentration of 150 gamma uranium dusts per cc. air, based an the known toxicity of lead.

Experts from Industry, Labor Government and Academic Institutions will participate: Industry representatives will Include leading executives of the JohrsManville Corporation, the Owens-Corning riberglas Corporation, the Certain-teed Products Corporation and ethers as well as rep resentatives of the Quebec Mine Producers Association and the Insulation Distributor Contractors National Association: Labor representatives will include the President and appropriate staff members of the International Association of Heat and Frost Insu lators and Asbestos Workers, while interested government agencies will include the United States Public Health Service and the United States Bureau of Mines.

Sear Sirs Hi the page proof of the Court's slip minion In the above-entitled oat*, ths Court inadverisntly lndioated that ths respondents had never appealed from tha Camaission's findings that ^wgr wore guilty of a eonepiracy to adopt and use a seam delivered prising system in the mis of lead pigments* Specifically, the last sentenes of the follow ing quotation from page 10 of the Court's opinion seems clearly to givo that erroneous impression> "fhe respondents were found to have plainly disregarded the law, Hi this respect the commis sion correctly considered the eireumatanee# under which Hs illegal sets oeeurred.

An arrangement lias been made with Du Pont* to supply the tetraethyl fluid and to see that it is properly mixed with the other ingredients of the Vitane at a more or less standard mixing plant of the type used for mixing tetraethyl lead with gasoline.

You m ay a lso identify the contents as "lead antiknock compound" if n e c essa ry to m eet shipping requirem ents.