Kehoe: Thank you for your letter of June 15, enclosing the draft of "Changes in the Regulations for the Sale and Distribution of Gasoline Containing Tetraethyl Lead".

Dear Doctor Kehoe: - We are referring the entire file in this case, in cluding the blood smesrs which have been submitted, for your medical opinion as to whether or not this claimant ever had lead intoxication.

National Lead Commnv NCW You* *7 A, 190 : We. r.'

December 12, 19^9 - Completion of Sixth Tetraethyl Lead Building.

Ahm nt Tooala Lead riant Tooola Copper riant Tooala .uipfalda coaosntrator ,phir Ull ; lant Miami Ilant .?

Georg Callhgaert Ethyl Gasoline Corporation 783 East Milwaukee Avenue Detroit, Michigan Dear Cal* I have seen one of the simpler types of mercury detectors as supplied by the General Electr1o Company, and I am very much Interested in knowing that they have developed or are developing a more precise equipment for this purpose* Hot only am I interacted in this device in connection with mercury' closure, hut I am also definitely interected in the application of some such principle for the detection of tetraethyl lead* You are wellaware, no doubt, that the instrument would ho of very little use to us unless it would give fairly accurate quantitative figures* If' th5.a could be done* I am sure that we could find good use for such equipment.

BUCK,MANAGER R. t.TROGDN, b u s in e s s ma n a g er ALTON , ILLINOIS April 11, 1947 D'Lre. ttReroibnegrtLAa.boRreahtooery CUinnivcienrsn1attyi 1o9f, COinhcioinnati Dear Doctor Lehoe: YYe refer to copies of Professor Drinker's letter to you of Larch 5, 1947, and your reply thereto wdaitleldingilatrochc1o0ll,abaondrataerewpitlhe'asuesdintoannoatleyttihcaalt ywoourka, re particularly lead in urine, from time to time as our ci rcurnstances may requi re, hone that Y7e it anoreciate tr-ti-ll not be tUonuetce..nssoasr2ytiofnor-fuusllvUto and. r;e request your services from the med5cal-legal angle, but. it is a source of satisfaction to know that we can do so if an imnortant case should arise.

Pigment:, vo.o % Barium B.se Titanium 35^ Leaded Zinc Magnesium Silicate Lb. 300 300 100 Yield in Gals. 8.4 6.0 4.2 Unit Cost .0575 .0750 .01 Total Cost 17.25 22 .50 1.00 Vehicle: 21.4^ Linseed 'Oil Vine ral-dpir Its 179.4 9.75 23.0 1.5 1.03 23.69. .17 Calculated Yield 889.15 Manufacturing Loss 2-l/2)S Actual Yield 43.1 1.1 42 64.61 Cost Analysis: Material Cost per Gallon

King made a diagnosis of lead intoxication wholly on the basis of the above menstrual history, anemia (presumably of very slight degree) and the finding of stippled erythrocytes.

APRIL uoTH 1942 SSKHiTSS KES IllCOME3ESLHRO. 3S>*H.TSV Tooele Lead Plant Tooele Copper Plant Tooele Sulphide Concentrator Llag Plant Miami Plant Deduc t: Tranmay Operations Outside Exploration Jelling Cotsaission Jhutdovn Expenses: Oxide Concentrator Less Depreciation NET INCOME ilonth of March 1942 Month of February 1942 $23,5*7' $20,658 9, oil 1,810 12, en 11,041 8,000 2,275 $29,330 $26,173 Three Mos* ended Mar. 31. 1942 $ 72,170 45,c?

Dear doctor: This case, in which employee alleges he contracted lead poisoning as a result of washing his hands twice daily for fifteen days with gasolene containing ,74ce to 2,C0co per gallon of gas, is on. for hearing at Binghamton, ITsw York on September 6, 1944.

SSTIKATSD NET Ii&CMS - SMSLTIlfG BSPABTUFMTM Tooele Lead Plant Tooele Copper Plant Tooele Sulphide Concentrator Slag Plaat Miaai Plant Deduct: Tramray Operation* Outside Exploration Selling Coaaiasion Shutdown Expense*: Oxide Concentrator Laa* Depreciation me t iHcaa Month of April 1942 Month of March 19*2 $18,750 $35,602 6 , "-35 -7i 2,c-3 773 12,3*7 12,000 12,851 17,802 $35,758 $63,315 $ 150 3,200 2,000 $ 150 3,215 2,000 Four .Months ended April 30, 1942 $103,18* Ir.COC 5,78?

Leaded Zinc 60 - 40 615 Titanium Pigment (Calcium) 90 Magnesium Silicate 300 Vehicle 37% White Refirfa Oil Spec.

Calingaert various memoranda relating to the use of leaded gasoline in-the special stoves developed by .the Quartermaster Department of the U* S Army.

The instructions given on their Circular Letter Ho. 36 are of course regular precautions for the entering of stationery storage tanks but, as you have noted, are not necessary to protect against the lead hazard o n . any mobile tanks.