OFFICERS OF THE METALS SECTION NATIONAL SAFETY COUNCIL 1969-70 General Chairman -- J.

1969 National Safely Congress unless, they arc properly cleaned, adjusted, expendable parts replaced, canisters discarded after shelf-time is up, and all other recom mendations (usually in small print in the instruction manual) taken, protection is an illusion, not a reality. 3.

Safety Engineering Tables TABLE 47-1 (Concluded) Vertical Single Sptndle Dtsk Grinders (more than half covered) Grinding and Polishing Belts and Straps (Note 5) Wheel Diam (In) Pipes CFM (Note 4) Max Width (In) CFM (Note 4) Up to 20 21-30 31-53 54-72 1 (Note 3) 2 (Note 2) 2 (Note 2) 2 (Note 2) 500 790 1,770 3,140 Up to 3 5 7 9 11 13 220 300 390 500 610 740 From Exhaust Systems Industrial Code Rule 18 (April 1961) New York State Department of Labor NOTE 4 "Polishing wheels" means made-up' hard wheels laced with abrasive NOTE 2 One branch pipe may be used wherever two or more branch pipes are required, provided the cross-sectional area of the single branch pipe is equal to the combined cross-sectional area of the required number of branch pipes and the air flow into the encircling hood is substantially uniform at all points NOTE 3 "Half covered" means a minimum covenng of not less than 50 percent of the open area over the top of the gnnding wheel NOTE 4 Local exhaust ventilation of high speed machinery shall provide such higher rates of air flow as may be neces sary to control the contaminants NOTE S The listed air flow rates are for short belts and straps (up to six feet on centers) which are completely covered except for the necessary working openings More than one pipe and higher air flow rate for longer belts or straps or for belts or straps which are essentially uncovered shall be provided where necessary to effect control TABLE 47--J EXHAUST REQUIREMENTS FOR WOODWORKING AND MISCELLANEOUS OPERATIONS Pipe Sizes for Indicated Air Volume--Air Velocity is 4000 fpm Branch pipe diam (in ) 3 4 4'h 5 5'/j 6 7 8 9 10 12 Air volume (cfm) 200 350 440 550 660 800 1,100 1,400 1,800 2,200 3,100 From Exhaust Systems Industrial Code Rule IS (April 1961) New York State Department of Labor 1600

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4).

10--Human Factors Engineering POPULATION STEREOTYPES-BEHAVIORAL RESPONSES CONTROL MOVEMENT & UP UP RECOMMENDED SYSTEM (OR EQUIPMENT COMPONENT) RESPONSE DIRECTIONAL NONDIRECTIONAL RIGHT FORWARD CLOCKWISE INCREASE* NOT recommends NRI RECOMMENDS NOT RECOMMENDS RECOMMENDS NOT RECOMMENDS) NOT RECOMMENDS) <$M SIGHT w(fcA FORWARD RECOMMENDED NOT RECOMMENDED RECOMMENDED RECOMMENDS RECOMMENDS NOT RECOMMENDS vtv NOT RECOMMENDS 1 RECOMMENDS HINOT RECOMMENDS) RECOMMENDS CLOCKWISE RECOMMENDS I RECOMMENDS) RECOMMENDS Mncrease refers to wcreoe in power output, brightness, vpmr rtc, and to "on" or "start" os opipoiod to "off" or "stop" Fig 10-12 --General population stereotype control expectancy When the control is moved as shown at left, most people expect a response as shown at right Additional stereotypes are shown in table on facing page Adapted from C T Morgan, et al Human Engineering Guide to Equipment Design New York, NY, McGraw-Hill Book Co 1963 trol design have emerged Compatibility.

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PLAINTIFF'S EXHIBIT JM-2477 c E/31 Johns-ManvIHe ccHTTonm^.

C. 1.

HFM - 003509 Race Chinese Hawaiian Filipino Japanese Caucasian 1960-64 19.9 11.8 8.8 6.1 4.9 1968-72 12.3 17.0 18.4 6.3 9.4 1 -vK .

publicised not only the relatively high incidence of lung cancer 10/ among asbestos workers, but also the very startling statistics showing the synergistic effect of cigarette smoking and asbestos 11/ exposure.

iloywri *9 roller le. 8577-0 RATBESTCS-MAHgATTAy.

V Tony Ozarchuk - Texas City, Texas July 29, 1968 Inspection Sheets -- Inspection of Safety Equipment C.

322 1 Sayers 2 Q.

534-STARTER END PLATES (Cont.)