MEMPBASDUM FOB DIBSCTOBS* MEETIffG - OCTOBEB 27T5 1942 Ssint'.TED SET ISCOlffi Smelting Department Rariten Copper Torks Lead Refining Department Zinc Oxide Department White Lead Department Month of September 1942 Month of August 1942 $ 16,711 137,5*3 15,736 2,372 2,160 $ 5,017 138,335 12,345 3,434 4.30?

Lead Indu^tricH ^VAnoclation CbiMTOM m. 9 M.

Barytes 103 56 Leaded Zinc 35$ 300 Ti Bar H.

This applies to tank-cleanings of all descriptions, whether leaded or un leaded.

Will working continuously with this material expose the worker to danger of contracting lead or metal poisoning?

Dear Led: In accordance with your letter of July 29 I am sending you a reprint of the published article on the screening method of lead analysis about which I told you, in Detroit.

He supplied me with plenty of information, took me through your laboratories, and brought out many interesting points and advised regarding the handling of lead compounds from the medical standpoint.

One possible reason for this may be the deposition of lead or a compound on the phototube or UT lamp due to activation by the 2537 A radiation.

YIELD IN GALLONS UNIT COST TOTAL COST PIQMENT: Hii 66-,* Basic Carbonate Whit a Lead 50> Leaded Pine Oxide Titanox B 113 760 223 2.03 15.60 6.24 .0884 .079 .0606 9.99 60.62 13.51 /. r_ X' VEHICLE!

Mills and Gunderson to work out any changes necessary in production schedules on Arsenate of Lead and Calcium.

A curve for computing lead concentration from step heighth was prepared.

Yield 'lament; 6*3.4^ Ti Cal 3-20 500 Scotch Laddie White Lead 100 Surfex 300 Asbestine 50 Aluminum Stearate 3 Ultramarine 3ius LL. 1-i- os.

Vie have in our pos session most of your former writings on the general subject of lead poison ing, and since there is some possibility the d i s e a s e will be tried this fall, vie would appreciate being furnished with a copy of the above described paper in order that we may prepare ourselves as fully as possible for a discussion of the case with you at a later date in the event it is to be tried.

GM objects to the rest of this interrogatory because it is vague, ambiguous, overly broad, burdensome, and is not reasonably calculated to lead to the discovery of admissible evidence.

PIGMEwTs Titanium Dioxide 45 '2 Titanium Magnesium Base 340 I 35$ Leaded Zinc 400 i Magnesium Silicate 128 YIELD LI GaJjE. 1.36 13.2 . 8.5.38 UliIT IwULX .1515 .0606 .0757 .0095 jiun tek 6.8. , '2.0t 30.21 1.21 VSIilH&w:linseed Oil 58.6 Bodied Linseed Oil 40 Mineral Spirits 13.2 Mang Noudex 1.12 Lead Nuodex Turpentine ,, 7*5 84 Drier P 14.62 CALCULATED YIELD . 0132.04 lUiWFACTURIIJG LOSS 2-1/2% - ACTUivL YIELD 7.5 5. 2. .1 .83 12. 2. 57.37 1.43 55.94 COST ANALYSIS: iiaterial Cost Pei- Gallon-or Pound...................