Document rxQB4pjRV2R9ZeN3a2kBmJ4xe

FILE NAME: National Safety Council (NSC) DATE: 1956 Oct DOC#: NSC031 DOCUMENT DESCRIPTION: NSC - National Safety News - Lung Capacity and Pneumoconiosis JiftT (f i f f ? 3 ? ^ f ^ f f i f W f H f T .h7?fi5SSTmwfBT7mw- T h e r m s a B IG j d i f f e r e n c e in f l o o r a b s o r b e n t s i tST !IT Yourse Tm aJHpi | a 38jp& 'a j? t IN Y O JR OWN OFFICE, make this simple 15-minut.e test. Com pare Fagle-Picher Industrial Floor-Dry to any other floor absor rent. HERES WHAT YOU'LL PROVE TO YOURSELF a bout safe, skidproof Eagle-Picber Floor-Dry: It's extremely insoluble, absorbs more oil and water. I t goes further, provides much greater cove: age. It reflects more light, brightens the work area.-It's non-combustible, has no chemical reaction. It lasts longer, saver you money! JE /fcC O j! m m Since 1843 r f f i PSCHER WRITE TODAY. O u r E a g l e - P i c b e r r e p resen tativ e will bring the portable la b o ra to ry to v o u r office w here yot m ay m ake this test yourself. T he E agle-P icher C om pany, C ii c i n n a t i 1, O h i o . so rb en t pads fastened to Vl parts of their body, and halation exposure by the DriTOC collected in p f. tor filter w o rn th ro u g h o u t a spr3 k | ing cycle. The inhalation eKpop w as fo u n d to he less th a n on.e cent of the skin exposure es-Atiirvmciot+auit-aewld-Iab-f-rVsoIo~\YmrVp-1tiKbolnoTood-1f D j\jq v . .'ifi'; samples collected before rf and after spraying. The hffih3- I .I1 concentration of DNOC a blood sample was 4.3 pplr ' stantialiy less than the 20* D ' > which seems to be associated y? , the first symptoms. M T he w o rk in the Wenalcl f&MMk-, f V alley seem s to involve expost of n ot m ore th an five days j i n ot m ore th a n six h o u rs per Vy'-iitl for any one operator in contr ` . ? to E ngland w here th e hours j <, day are long and th e spray; J season is two weeks o r more" Lung Capacity and Pneumoconiosis "The relatio n sh ip B etw een Vcmti)! cory Capacity and Simple Pruuimew coniosis in Coahvorfcers, the Effect Population Selection," b y R. C. Cart penter, A. L. Cochrane, J. C. Gilson nr4- Ii.ndTu. sTtr.iaHliggMinesd.iciTnhee, B13r:i1ti6s6h-1J7o6urn(aJl.w- l$|fil- One 1956). ~WM~ miners There is now little doubt ' th a t sh o rtn ess of b re a th is closal vpnyx bvc nr.- rela ted to pneum oconiosis coi wmevvh: plicated by tu b ercu lo sis b ut tfti miners i is no g en eral ag reem en t as to.i U y e n r.s relation betw een shortness iimn It b re a th and sim ple uncomplicafl, sbo he- pneum oconiosis. 8 reniilatc To g et in fo rm atio n on Wjj question a stu d y h a s been mr J ne r definite on 980 m in ers and ex-m iners ' ^posurj sim ple pneum oconiosis or with iftlorv r pneum oconiosis. T hese mini w ere chosen from th ree grow] T he first gro u p w as those aj k Hoir;or (Le year fee anc ing for com pensation, mostly shortness of b reath presumawjk du e to pneum oconiosis, a sligkw Qnac;:-- simple ttmiosh. la rg e r g ro u p of m in ers who actually working in the ^cceie-p- and a random ly selected group^ m iners, ex-m iners, and non-m^f ers from two communities. O ne in terestin g o b s e r v a d 0! am ong th e group of norrm tofF was that there was a linear f of 1.36 lite rs per m in u te to nL m axim um voluntary ventito'b,' National Salofy News, October, . between the ages of 20 to 69 The miners and ex-miners [b and w ithout sim ple pneu^oniosis both have a lower ' ."rag m axim um v o lu n tary ven*tlhon rate th an m en of the same ^ who have n ev e r w orked in and the m iners w ithout biological evidence of pneu''"oconiGsis have a som ew hat average v initiation rate miners w ith category 3 sim'h pneumoconiosis classified acv b d i n g to the listings of the I n te ri^ftfttional L abor Off ce. Jt is possible tha t the difference ventilation rates betw een miny itrs with no signs of pneum ocofjkosL and the general population the resu lt of m e or m ore of jiumber of other factors such as Idupational selec tion, nutrition, using or m edical care, b u t it Ifelt that since h e m iners and She non-miners cam e from the me general com m unities and lom approxim ate y th e sam e so il categories, tn a t the differ ences betw een the factors w ith llh e exception cf occupational selection is ruled out. It is not Possible to assign a cause for this , the present tim e, how ever. Si'One thing w hiel w ould account for the low ered ventilation in iners w ould be generalized pphysema which would not ve any radiological signs. It is imewhat' significant th a t the iners in the age range of 25 to i years, an age i:i w hich em pliytna is som ew hat uncom m on, go showed a low ered m axim um 'entilatory volume, jThe results do n o t indicate a ffinite relationship betw een dust osure and reduction in ventidory capacity. T sere is not even ,,T; demonstrable relation betw een S-i years spent or. the actual coal iV,.'?ce and reduction in ventilato ry Capacity in these m iners w ith .Urnple uncom pli :ated pneum o, ^hosis. r- h does seem th a t m ining m ay :Accelerate to a m a rk e d ex ten t in individuals she norm al deI v cune in ventilator capacity w hich Ccurs w ith age. The chief value of m oney lies g|T 1,1 the fact th a t one lives in a | ^orfej in w hich it is overestim ated. L. M encken I Scoria/ $afety News, Octobor, ]?56 Is There a A M C S E R O U S C5A.IP IN YO U R S A F E T Y I*Ifc CIRAIVIT aM assp You would never permit: uniighted stairways...unguarded machinery...faulty wiring. . , fire hazards. . . ignored safety devices Make sure your Safety Program is complete with a i I Hearing Conservation Program including Audiometric Testing with a y H a tc o MA-2 P O R T B IE AU D IO M ETER e LATERAL CONTROLS DUAL TONE INTERRUPTORS CENTRALIZED DIALS SELF-INDEXING CONTROLS SMALLEST (CUBIC VOLUME! AUDIOMETER BUILT TO A.M.A. AND A.S.A. STANDARDS I Iwin mai n an inm a n i "1 ! See O u r Display At The j N a tio n a l S a fe t y C on gress 11 I Booth 223 Conrad Hilton Hotel I or write I s 27 NORTH THIRD STREET M A I C O ROOM 87E, MINNEAPOLIS, MINN. I HW WOB WBH WftW HOW WSWf ETW HHWTI ITIP BIBt fipm WWQ r 785