700 CHAPTER 51 1959 Guide gas or vapor will occupy approximately 358 cu ft at standard pressure and temperature.

748 :HAPTER 56 1959 Guide termination of the design rate of flow in any particular sec tion of piping.

356 Heating System* 9td.n ARMSTRONG MACHINE WORKS 851 Maple St., Three Rivers, Mich.

36 Metals Industry served solely lor engineers, rather, we do mean that people engaged in safety work most be able ro analyze, to judge; and to Mr.

Industrial Hygiene Digest - Scp'.umUc r. 17 jc the development of experimental silicosis, both ir. respect of its amount and its distribution.

1957 National Safety Congress Pounced a sew -13 mask for troops.

Industrial Hygisne Digest June,- *957 INDEX Accident control by motivation Air cleaning and recirculation 310 800 Alcoholism in industry, program 806 Alkyialuminum compounds, hazards 732 Aluminum, hygienic status 731 American Academy o( Occupational Medicine, 1956 meeting 719 Aminophenol, meta, toxicity 744 Ammonia poisoning plasma coagulation 726 serum proteins 727 Asbestoais with pleural calcification 761 Atomic energy peaceiul uses, role o( chemist 787 satety record Audiogram, use in industry 791 766 Audiometer(s) automatic 769 and uses 767 Ballistocardiography in industrial medicine 723: Cancer, occupational environmental aspects 749 Carbon monoxide determination In blood Cold, common, and stress 797 721 Dimethylnltroso amine, liver effects 736 Dust control in chemical plant in coal mines, water infusion 751 750 Epilepsy (Bk.

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TAIII.B 20 Comparison ol Province of Quebec with Asbcelos and Thetford Mines No, of Persons Province 1,198,000 Asbestos Cohort Total Proved 2.261 1 Thetford Mince Cohort Total Proved 3,662 Province, excluding Asbestos Workers 1, 102,000 1050 106 l.nnft Cuncer Dealhi 1051 -tost- loSi " I-J44 220 205 303 303 01 D' 00 00 0 0 3 1 03 3 1 1 02 1 103 218 245 300 302 1055 357 Tool Annual Hale per loo.ono 1624 22,6 2 3 22. 1 2 3 22.1 i 0 41.0 i 6 27.3 354 161!

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Industrial Hygiene Digest October, I960 compromises might at first appear to the technical man, a valuable survey can be made even in a complex situation that can form the basis of sound decisions for a total air pollu tion control program. -- Authors' conclusions 1016 Injuries Caused to Fruit Trees by Fluorine-Containing Gases.

PUBLICIZING SAFETY licity and public relations Never ex aggerate Underplay instead of over play, if you have to make a choice 2 Deliver what you promise If you say in your news release that something is going to happen, make certain it hap pens--and as you said it would 3 If for any reason there is a change in plans from what you have announced in your releases, notify the papers and ra dio and TV stations at once 4 Be scrupulously accurate m your names, places, and other facts There is no such thing as being too careful m this respect Get a reputation for sloppy, inaccurate reporting of your facts, and you are through 5 Cover up nothing if the news is bad Prove to press representatives and the public that you can roll with the punches 6 Be reasonable in your requests for space and time 7 Be the same with the amount of ma terial you send out You can wear out your welcome 8 Do not put out anything unless you have real news or features to offer You must not issue materia!

EXHAUST SYSTEMS, GENERAL ir COMFORT VENTILATION TABLE 28-N EXHAUST HOODS FOR GRINDER AND CUTOFF WHEELS Wheel Diameter (in.)

INDUSTRIAL HYGIENE The variety of substances and processes that present occupational health hazards steadily increases.

PLAINTIFF'S EXHIBIT JM 962 This Agreement made and entered Into this sixth day of February 1952 BETWEEN; RHODESIAN ASBESTOS LIMITED. a corporation organized under the laws of Canada with its principal office in the City of Toronto, Canada, (hereinafter called "RHODESIAN ASBESTOS") OF THE FIRST PART -andJOHNS-MANVILLB CORPORATION. a corporation organized under the laws of New York with principal offices at 22 East 40th Street, New York, N.Y.U.S.A.