. ; These considerations, in .conjunction with those of barometric. pressure and the difference in density of flue gases from that.of air, lead to the fol lowing formula: D, = 2.96//B.

FILE NAME: Union Carbide (UC) DATE: 1956 DOC#: UC017 DOCUMENT DESCRIPTION: Cover Page - 21st Annual Meeting of the Industrial Hygiene Foundation - Health Problems Involved in the Manufacture, Sale, and Use of Toxic Materials Answering questions on health problems involved in the manufacture, sale and use of toxic materials at Joint I echmcal Conference were leading authorities on various aspects.

*;V *> '13*'< - -Vendors --cnd--niafchandisa --dsignatU>nk *-*ra-fliven--to-doscribaUnatSficds--i;----and may not includo all acceptable ^rodufets* Substitutions^ ara to^bamada only on approval of th# authority *Initiat#to th* u*o of this Specification*; lUBCOMMITTf S'NO'iB"* ---- ------- * 1 -fcj*** jo ro o 5 PLAINTIFFS EXHIBIT DUP-529 SN 200 M Page 2 Code Material Material Description MATERIAL SPECIFICATION - SERIES 200 204 205 Mineral wool (plain) Hair felt Slag wool obtained from lead smelting encased in mesh wire, mesh screen, window screen, metal lath or rib lath.

The thermocouple leads A-B are so connected that their polarity opposes that of battery C.

With continued investigation and study it will allow us to more accurately and completely fill in the missing pieces ofthis fascinating puzzie, thus leading us to a better understanding of the pathogenesis of chemically induced cancer in the biologically complex human system.

Some observations concerning the behavior of glass with respect to radiant energy will lead to a better understanding of the heat-balance relation.

Experts iron Industry, Labor and Acadesic Institutions will participate; Industry representatives will Include leading executives of the JohnsAplaaville Corporation, the Oeens-Corning Yibsrglos Corporation, ' ; .the Certain-teed Products Corporation and others as well as rep- * m ;;.:^^.,^..?

Company is recommending a special type of standpipe, to be inserted in the drum, which will insure removing all of the Tetraethyl Lead Compound in the drum. - 'You state that they are recbmmgnding with the use of this special standpipe that the washing of the empty drum will not be required. .: -As you are aware we have always recommended that the empty drum indeed be washed with gasolene.

The designation Perm as the unit of permeance having a value of one grain per (square foot) (hour) (inch ofmercury vapor pressure across the specimen) has been suggested.16 The theory covering vapor transmission through materials leads to the following formula: W - yA (Pi - Pt) (7) where W = total moisture vapor flow, grains per hour through the wall. ii = permeance, grains per (hour) (square foot) (unit vapor pressure differen tial).

. the difference in density of flue gases from that of air, lead to the fol0lV|ng formula: .

Joseph Lead Company Sandia Corporation Sauereisen Cements Company Cleude B.

Where exact performance data are not available, this assumption is a desirable one since it leads to a conservatively large determination of the power required.

Hetrick (Euston Chemical Industries, Limited), effective December 31* 1955* on the basis that Hatrick would forfeit its paidup license covering the manufacture and, sale of white basic lead carbonate in Australia and New Zealand which it would have been otherwise entitled to receive upon payment of the remaining $5*000 royalty due in 1956 under the 1946 license agreement.

''`(hl-hCTot Boston Lry L'a3ic carbonate Vihite Lead.

Lead..............................................