ppgTfWWWi^PWWPWiW^. p'wwwp w FABM wan Xa 1940 a program of paint demonstrations wm sponsored uco| 4-H Clubs la Io*e la an affort ta educate * // faraara to tba ralue of white lead at a paint pigment.

Hill Re Corning Fiberglas Corporation I have learned from the field that there has been considerable discussion relative to the occupational disease hazard in the use of fiberglas As you know I have been very much interested in the study of silicosis over a period of years especially from the research angle and I can very frankly say that in all my experience I can not see any reason for stating that fibergles is more hazardous than rock wool slag wool or asbestos I believe that most articles covering occupational disease exposure definitely warn of the hazards of asbestosis growing out of the use of asbestos Relative to the use of fiberglas very thoroughly with our stallation of class wool rock wool or sleg wool I have discussed this matter Medical Department insofar as it applies to the inand its relation to silicosis and I know of no better- answer to give you than their direct statement We may definitely state that this is not possible established fact that silicates of which class wool will not produce silicosis or a similar condition based upon the is composed Free silice which when inhaled in sufficient quantity will produce siliensis is one of the ingredients of many varieties of glass However in the manufacturing process the free silice cherically unites with other substances leading to the production of silicates and glass is a solid solid solution of these various silicates produced by the fusion of free silice with metallic czides Gless wool consists of cless in the form of very fine strands in his publication Attorneys Textbook of Ledicine states is It is is admitted that silicon dioxide is the only substance capable producing silicosis I believe from the statements riven shove and other finding place before you it will be greed that flicosis can not und I therefore see no reason for the statements statements have namely that fiberglas producen silicosis because insofar strtement is contrary to fect which we our readily produced by silicates silicates silicates by been made find this te we ow ar 01 501 0136 Catter

.-0 51, 1942 TRADE NA;.j: CATEGORY: COLOR: NUMBER: QUALITY: Peb-O-Mix Exterior House White 348 Paint FIGMENT: 68.6> Lithopone 5>o Leaded Zinc Oxide Calcium Carbonate Magnesium Silicate POUNDS 1100 300 2200 700 YIELD IK GALLONS UNIT COST* TOTAL COST 30.70 6.30 - h ' 97.00 29.40 .0425 Per Lb. .07375 Per Lb .00875 Per Lb . .011 Per Lb. 046.75 22.13 19.25 7.70 VEHICLE: 31.4" Linseed Oil,.Non Stain Linseed Oil, Heat Bodied Linseed Mixing Varnish Mineral Spirits Kerosene Solution Drier Calculated Yield Manufacturing Loss - 2-^ Actual Yield 385 395 91.50 520 467 75 30 6263.50 50. 50. 12.50 T 81.25 70.00 9.50 3.00 439.65 10.95 428.70 .78 Per Gal. .898 Per Gal. .56 Per Gal. - .08 Per Gal. .06 Per Gal. ,03 Per Gal. 1.5225 Per Gal . 39.00 44.90 7.00 6.50 4.20 .29 4.57 202.29 The above unit costs are figured as of Jan. 1, 1942, which is the last time our formulas were costed and are based on inventory and contract costs as of that date.

Prom my point of view this clears the issue and leaves the figure at 4.5 c.c. of tetraethyl lead per U.

Hoover, la the manufacturing process, the free silica chemically unites with other substances, leading to the production of silicates, and glass la a solid solution of these various silicates produced by the fusion of free silica with metallic oxides, -lass wcoi con sists of rlass in the fora of very fine strands** Dr. it, Sray, in his publication "Attorneys Textbook of i-edlclae," states* "It is admitted that silicon dioxide is the only substance capable o?

Schaefer: This will acknowledge your letter of November 11th regarding the purchasing of equipment and materials for the seventh Tetraethyl Lead Manufacturing Building and related facilities.

The question is rather one of finding a product of solution which, by entering the modified squamous epithelium of the lung, or by changing its environment, can lead to de-dilTerenliution or to tumour for mation.

HEATINC VENTILATINC AIR CONDITIONING GUIDE 1944 Conduit (G) is of cast-iron construction, assembled with lead joints and is water-tight, if properly laid.

As a result, we plan to be shut down this week and next in the Lead Chemicals, 45X and the Barton pots.

Union Carbide further objects to this Interrogatory to the extent that it calls for information about Union Carbide employees or premises, or policies pertaining to Union Carbide employees or premises that are unrelated to the claims in this litigation on the grounds that such requests are overly broad, unduly burdensome, and not reasonably calculated to lead to the discovery of admissible evidence.

#19,038.00 L64 Drilling a third deep well near reservoir in Pine Canyon and purchasing and Installing new pump for well at Tootle Plant 6,150.00 i I There was presented to the meeting the oontraot of sale }etween the Company and the Eagle-Plofaar Company exeouted September 27. .946 covering the sale and transfer to the Eagle-Ploher Company of & >aroel of land on which the Company's East Chicago, Indiana, Plant is ooated, together with all buildings and Improvements thereon, all fix* ures, aooessories, machine send machinery, lead and xlno bearing materials, latsrlals^and supplies, ltsms made especially for the Eaat Chicago Plant, Items now/ order by the Company and the assignment to the Eagle-Piohsr company of the Company's 0.

My opinion is that the method may work, but I think in vestigation should be made on the basis of lead concentrations remaining in Fluid drums after various methods of washing.

Refining Department 1*9,219 6.5*0 6,109 Zinc Oxide Department White Lead department 2,78a 7,3*9 *1*1.761 Add - Miscellaneous Incow 2,98* dividend - fountain City Copper Co.

The widespread interest in cementing lining to metal shoes rather than riveting has necessitated studies in our laboratory leading to the development of improved physical properties by the use of new materials.

Closa touch Is balng aalntalnad with tho Agrlcultural Extension Service and Stata Agricultural Collages so that tha agricultural engineers and countp agents are la a position to Instruct faraars with whoa tbep cone la contact about white lead.