Since the metal is in the same periodic table with lead, it was considered advisable to ask your opinion on the possibility of toxic effects.

H P| | p p w f l | ^ ... ' LI AC9819 Mi ^iyiinfjnitTMTi iiltfrfeiiiitffcatfif i LEAD INDUSTRIES ASSOCIATION nm 1 - Jmuyl, 198 ' K-rV ,, , WMKTi BISCarTXWMWt <f ` WOT U~t HPQIt3 i To IMbon of tin %lu Ih 4 Xt *MU( of tta kart of Diroetor* of tho UW Xndoatrlao XaoocUtloo, hold oo Daeaabar 16, 1951, it ao decided to dlocontlooo oil actlrltlao of tbo Xatoe&atloa ro lolli>( to U. ptoootloo of Alto load la fcooso poleta.

Patrick Mwmm At Kruamrich Plant Sub|t DEPARTMENT 246 (ARQCL0R3) It Is ths opinion of ths Msdlcal Department that the eating of lunches should not be allowed in this department for a nunber of reasons. (1) Aroclor vapors and other process vapors could con taminate the lunches unless they were properly pro tected. (2) Vihen working with this material, the chance of contami nating hands and subsequently contaminating the food la a definite posslbllty. (3) It has long been the opinion of the Medical Department ' that eating in process departments is a potentially hazardous procedure that could lead to serious diffi- cultles.

I enjoyed seeing you yesterday at the Haskell Laboratory dedication meeting, lie are locking forward to cur discussion of your lead toxicology work.

If you can recall the name of the lawyer or lawyers who you feel are especially qualified in the trial of lead cases I would be glad to have that information too.

., won top boner* la plasfear* load will la competition with fortj'-two Stato and Canadian Province chawplon* at tba Third Aanoal International Apprentice Carteet hall at Pardee Onivwrwitj, Ufarwtte, Iod, Tha ooeUtt, of which lead wrt( mi c m jhaee of the plowing performance toat, mi eponeored hr tha Ohited Aaeoelatlon of Jo b t mjwen and Apprentice# of tha Flushing and Pipe Pitting Xaduatrp.

Cecil and Loeb have asked me to return the enclosed references for your manuscript on lead poisoning and ask if you would be good enough to delete one of the present references and add two new ones which would induce aspects of therapy with edathamil.

In accordance with our safety regulations, ve are enclosing a booklet pertaining to our precautions for handling organic lead compounds in laboratories and a release concerning the use of the material, would you please sign and return the latter to us promptly.

Kehoe Kettering Laboratories College of Medicine Eden Street Cincinnati 19, Ohio Dear Doctor Kehoe: I am forwarding a batch of blood samples for lead analysis.

REDACTED N 4157 S-W 003522 - - y ,.V::vV-;-W' ; r r*-.t REDACTED S-W 003523 REDACTED i IS tv Tork Citv lend W~.rr.ir." libel Warning label copy for all load bearing products that, contain sore than onn per cent aetellic lead based on total non-volatile content of paint ha3 been pre pared by our Legal Department and is now approved by Mr.

Box 121 Linden, New Jersey Dear Doctor Eckardt: Ir*. the matter of the information on trimethyl ethyl lead, I shall merely inform President Shea of Ethyl Corporation of your interest.

(3) It has long been the opinion of the Medical Department that eating in process departments is a potentially hazardous procedure that could lead to serious diffi culties.

We are in agreement with you that the amount of raaioactive lead ingested by the laboratory worker at Columbia University was probably insignificant in terms of a health hazard.

I have just received a letter from Join in which he states that the present tetraethyl lead by gravimetric analysis ran as high as 25^ {Z2% fluid).

There was right axis deviation in the electrocardiogram, but the precordial leads showed no evidence of right ventricular hypertrophy.