bees Nfj/SS --- ------ R.

MONSANTO CHEMICAL COMPANY Monsanto, Illinois February 2, 1953 Barbre Graves Neff Russell Kulifay Hubbard Offld Officer' Dept. 2l N.

St.

RALPH W.

POLYVINYL CHLORIDE STUDY Li Reason for Consultation: 49 year old male exposed to polyvinyl chloride.

STANDARD PROCEDURE..

NO urs rv UTN T- Qa i co 03 Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS & LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL LEGAL..

PLAINTIFRSfei r A' EXHIBIT WH-992 -'v *' /4v; 'y, > y. 48 ' `' /> 7. .

PLAINTIFF'S EXHIBIT Mr.

v 0*9 *o~rr>-" r. .arrks.: i. .`' ' ;W- r- ^rea-i :f n .

0 WE HAVE BEEN ASKED: I PLAINTIFF'S J EXHIBIT I ACS-102 Aytri, eg- Ou&i, ofr%S/o ~M.4f+u4t4- wrcJk, Sacv&c Cz+unU- ja&Ufr A power engineer wrote to us recently and out lined this problem: "We plan to insulate a 6"x 2" x 30" tapered reducer which carries steam at 350 lbs. pressure (725 F.) between a pressure reducing valve on a 2" superheated steam line (1000 F.) and a de-superheater.

\ \ model ES-2 with pedestal model ES-2 shell head --cutaway view Si The Model ES-2 Shell Head Arcoflame Oil Burner by American-Standard provides clean, efficient combustion with minimum excess air.

0 Slolrwoy power* unit, Hn o tqulrrol-cogo motor M ond broke B supported " Irom lower holf ol wo'm-and-geor housing, a rugged one-piece casting Q Power unit ilmilor to Fig. 6 but of rwiktv assembly for driving small moving stalrwoyifl ji Qy.fypo imoo'Mreod-tiep moving ilotrwoys required o 11 On modern stairways, comb teeth fit ctosaly between step V ihunt S or the landings to guide the passengers on end oft 1 1 cleots to form proctlcolty smooth surioce of the landing!

More PLANT PROBLEMS.

RECIPROCATING TYPES continued Stationary Standard stationary compressors, intended tor installation on more or less permanent foundations, are built in a num ber of types: (a) Vertical or V single-acting units, either air* or water-cooled, and single- or 2-itage, are available in sixes up to ISO hp.