Document 6wEDrkDZammwvgM6mQorjLyro

I j SXPOBT 0? THS PHT3ICA1 XXAK3IATI0I3 AIP X-HAY J XXAIUATI033 07 A3BB3T0S 10RZXB9 ZX A3BWT01 ______ US THSTTOBB BTTK8. QUBTOr L Tho report horawith proeontoA daala with tho exaalnatlohrof 141 eaployooo of tho Canadian Johno-WanYillo Co., Astovtoo, Quo. and 64 ooployooa of tho Aataatoo Corporation of Canaia, tho rooahy-Xattlooa Co. and John* ton's Ulna, all of ThatforA Kin* a, Qua. 40 of tho nan of the Canadian Johns-Kauri 11 o Co. wots oxaainad hy Sr. H. ff. Staronaon anA Sr. Jotoph Wyatt, who porfozaod tho phytloal txaal nations and X-rmy sxaalnatlono roapootlr*ly Tho othor rati notions worn all psrforaoA hy at, axtopt ths . -k X-ray malnatloas* Aotoally, 9n Itmasea oat Wyatt nsalaU ST an; hat ainoo IT of tfcoso aaaworo ra moT.naA hy no X tan Isolating tfcoa in ay Zlot* Srw* Storonooa and Wyatt aarrlaA on thalr toA In Xorohor ltlf. Xy onalaitlono woro iano In Toly 1959 In Aohootos, and In Soptwhor 19SO in TUatforA Xlnot. Tho Athottot onA ThatforAv^icg^> am T*iy Alaolallaafewltfrroapart to ogo Alatrifecrtio* and Usgth of oorrlojpr'la: tho take atoa India try, hat raolally end aoonoaloall tho two groapo aro auah sills* Tahlo I glrwo tho ago A1 strifestic* of tha aoa and Tahlo II tho Aiatrihotion aoaorAlng to Itsgth of aorrlor In tho aabartoa lalaetry. MET-595 r .t / - Si TABLE I. Kf uroTrp 15 - li^ 20 - 24 _ 25 - 27 30-34 28 - ST 40-44 41 - 4* 3 - 54 65 - 8f 60 - 64 65 - 69 lot atstaA TOTAL AGB DI3THTBUTI01 0? ASBESTOS TQHETBfl Aabastaa Imlir PirenUxi Ttia%<ar4 Kin*a ]Ttabr Proantaga 3 2.1 24 IT .0 2 3.7 24 17.0 9 9J 26 18.8 6 11.1 28 17,7 4 7.4 It 15*5 18 24a 14 9 1 1 .1 _ 10.0 S.l 0.7 0,7 0.7 7 IB.*' 4 iia 4 7.4 4 IL4 1 lr> 1 0.1* - 141 100.00 5* 1063 T A B L 1 fII Taars or aarrloa. 0 - 4 5-9 ^0 - 14 IB - 1 20-24 W-M 80-34 SB - 3t > - 44 _ 10 Til L3J9TH 09 3ZBT1CB IB AaBBafO^ TronsrpT iiVatos - Srosb#^ Paroant&xa 44 31 *2 ----- ThatfatPi JOnas lumbar Faroaatoaa 1 1.88 43 12 T.8 14.8 8 14.8 10 Ld- _________________________ _________ 14 4-- 4,3 ___________ f- t9 29.4 14 .T 14.9 X 1 a 1>4 ' *T 1 a 1*84 8.T -. 142 100.0 54 100.0 II vill Va B0U4 ihiU Cl jerai f tta mb la nrtfaii Haas vara orar 40 poors f a$a only S3 paraaat of thaaam la Aahastos vara orar 40* Anl for* thar sllflk-raspaat ta lon^th of aarrloa 63*4 paraaat of ihm wot la Thatfori Blaaa Bad wt*4 la that 4*- has to a latastiy for 10 jaars or box** hat la Isbsatos only 22 paraaat haff workai for norm th^a taa pasrs* .-a L*r,*i < Tahla III shows ttia diapositiaa of tha aaa la rarioua parts of thr Industry* Slaoa tha nnahara era 1066 omU broad oooupatloaal groupinga aro ul. la Aaboatoo tio ooospatlono ar dlrldo4 Into 8 group* - aUl, pit ul futcr/; la Tbatfori Biaoa only tkm first tw oeoupatlonal groupa aro uood, aiaoo no aabostoo aanufaataring la aarrlod oa thara* All tin aoa of tio Ihotford Blots group oould bo oa olaooifiod, but B Baa uoro oxoluflaA from tin Aabeatoa group alnoo thoj 41A not appoar to bo axpoaod to aa unoaual aaouat of duot. f A B 11 Hi <7 isgog or sunci xi miiiitUT oocngAfioss n Aggstoa titost A3SZ3TOS TEWT0S8 KTTSfli 4 loan of Trio# >- 4 j- I- V_ mu 14 34 ,10-14 4 lfirlf .... ' T Sriltia* pit ______ r 9 9 8 KU2 _ ftrtUiuYii 4 lr 14 8 f 4 1 18- 4 f W-M . JWt .... 3 .... X ... X *. 1 CX 30- 1_ 1' 1 . 3B-3* 1 40-44 1> : JA**i*l s 1. df 40 40 14 no paat oooupatlonal Matozjr la iaduairia* othor tin tta asboatoa laduota? <m algalftoaat oalj la B oaaso* Of tboao ono bad boon a graia laapootor 1067 for I J*n axi so expe**4 to tstt (utf moIIUou, ooo M boos s niorpnol topper alaer for If toots, ooo o eopper alaer for t toots, o fourth bo4 sorfcst is o oeseat ploat for 9 T*oro, end the fifth hat operated o trill la oa iron also. 7S2s loot indiritual ohorot X-raj erldenae of pnsuaooonlo*!*, the ethers Alt aot boro pnsnaeeonioslo- In fable IT or* giroa Qbssrrotloas of sslght la relation to Itolgbt hr egs. Tbs ortrags sslgbts ors talon . //*/ ` from tbo flgsros oospllot hr tbs toseei&ttoa of-Tifa Insurance otloaJ Ulrrators oat tbs lotaailtl Stoletp oi lnsrloe. * a.jl s_i_____ a. Toasts TOatoT ororast mail orsr OTOTMO 8Wf AB3ST03 ls 10-19 sr S-f -4 ts U 5-9 wl: 19 10-19 V. 40-39 9 < 1S0 " wmsr: Orou^sx fe. < lO.OOtfael InAno trial sorbors f lf*f T" , tt -"P- . 13*4 t 144L 1T*1 .11,4 s MoT. 11 - a "ai 19.< rx,x 14 6-4 T 1S4 10 404 4 2-9 1 1.4 8 Qo group of 10,000 ferred t la tbs abort toblo State* Fubllo Health Sorrios ( iatastriol sorters re-, TTaltot mile Health Bulletin 1068 Vo* 162)* It will bo no to 4 that there is nry llttlo distinction between this largo group and tho group of aabostoo workers so far as degrees of OTsrwelght or underweight aro oonoornod* . In tho consideration of lndlYlflnal dofaots sons intoresting faots bars boon found. In this study only tho 101 man at Isbestos and tho 64 son at Thetford Kino a aro considered, slnoo tho rooords of tho aon oxrained by Dr* Storanaon aro not atrletly oooparabls with alas* gKgfr Dlriilng tho aaa lata two groups assorting to whothor tho tooth did or did not nsod attention, of tho Asbestos group 49.5roqulred attoatloa, and of tho Thatford Xlnos group 61*8 ElA3TIC tAcuity of booring was teeth'd by soana of a watoluL. fXy m hairing, which has boos tostod by an auiloaotsr* was oonaldorod Softool, and utod aa a standard) Tho watch-test is adalttodly Tory rough* Za noisy occu pation# lztpairud hearing la frequently found la tho older eaploytos* Of tho 101 aon at lobostos 10 showed definite hearing loss* This Is not aa oxooss proportion sines any 106 group of adults will show a similar pioture* la Thatford Blass 28 of ths 64 bob tufftrod frosi wsll mark* d hoarlag loss. This It a ror7 high pereentage, and ooaparahla to what may be found In wearing shed a and hollar shops. dll thoao men, exoept.teo,, had boon exposed to loud noloe In their work far 10 jears or more, and it la reasonable to suppose that noloe played a part in their hearing disability*' The somber of aea with- Infested TQigTTn wee 7 In dsbestoe and IS in Thetford Bines* end al-' most lndetleal ratio to the total in Vcth gresve* Defeats of the THT5DID were rare* 4 men In dabs e to a and 1 in Thetford Hines had enlarged thyroids* BIOOP PBSgSggltBeading* were reeorded in ell man era? 40 years ef age*... Sxaept la exseptional eirsuastaaess the bloed pressure was not taken In the younger mem. Consequently although the groups examined la Thetford Bines sea smaller than that in dsbestes more blood pressure readings were taken there* man is datesto a had blood pressure a of orsr 160 and S bleed preenstree under 100 ma of merouzy* men la Thetford Bines had blood pressures of orar 160 and 2 blood pressures under 100* 1070 Tfca lnol&aaoo of BBSIIA la of lctoroot fro* tho aonponaatlon atandpolnt. In Aaboatoa all non aoployaoo *not paoa a physical oxaainatlon bofora onqploymoot. Zhora wara 4 oasoa of inguinal bomia AlaooTaroA aaong tha 101 nan oxmalnod thorn. In addition to thoio 0 non had boon oporatod upon for this oooditioa In Thntford Klnoo physical aaanination la not required bofora enploynont. . Zhora vara 0 eaaoa of in-__ gmlsal bomia among tha 04 non oxsalnad and 1 oaaaa whJLob bad boon oporatal upon. Sana intora at boa arlaaa in aannaatlon uitb V tfc oaourroaaa of th# ao-oallad 13BB3Z03 C0BI3. Thnsa ara usually pin band also4 alorations of tha alia, eons* wfcat 111* Blnt.. fi **xto. loan a ttw vara 4*t*at*4 In tba laborhap an probably <m to ag lgncmaoo of tbolr appoarsaoa* t oftbo Zbotford Xlsoa non bad thaea grortha on thoir bsal* ul aonrorml others raportod boring ba4 tban ot oan tlai or another. -'sf d:** X- .. V 1071 9 r*ian IUyG 3 Of tho 101 asa ranlnsd by mm at Ab sotoa only 4 suffsrsd froo daflnito first stags pnarunoaea*losls* Thses will not to oooaldartd on aaeounV of the doubtful diagnosis. Of tha 40 non oaaalnod bj Dra* Stovonaon and Wyatt 14 woro diagnosed aa first stag* pnaunoeca- losla (asbeetoais 1} (I.'an Including tho 17 an oa> salnsd by Dra* atoToaona tad Wyatt and ouboofmaatly rtHXHlatl by aa la ay group of 101). ` Tho noth looaar - laoldoaao of paoranoooaloala In ay group of non aay aeon aurpriaiag* but it asst bo that tta>nqr nogatlTaa wwr* net raad by tho aaao nsa. In ay group tho X-ray dlsganaa voro aaio by IT# lorlsothor of Pltobor, Oklaheaa, and la tho other group*tho iatorpro- wdk t&Ue&a worn by Pro* ifrntt ai Pnaoaaot. Tarthor tho r^j1 azaniao# by In. Stemooa and Wyatt *ara. In gaa* sml* ollar thaa. thoao la ay group* *s-" ", Of tha M aon oxaninod at fhotfori Una 44 V. - >- wona:- diagaoaod by X-ray aa aaffaring fron paaunrtsonloala faeboatosla)* of than 4 waro diagnosed aa probably first atago aabaatoala* * on aarly atag*. 4 aa doflaltn first stags and 9 aa osoond stags* Tbs psrtlosst fltti rtgardlag tbs dcftdts sasss of *ab*toals tri *1tm la tsblss T sod Tl. 1072 10 Cna< Dlag>. Boala Table V Occupational hietorr 8yaptoaa 8ia. Aebeetoa Group. 66 A.i 7t A.l 66 A.I ?4 A.l .2000 A.1 5? Soroaa A ayolooa 10 yaara *7 general operator Ulil fsrnu JA fUTI 42 loading ear* la ill A foreman M yanro 50 i drlllar 7 yaara 41 Xlllerlght 51 yaara oough.dyepnam daflolant aipanaioa loaa of etrength oee, orepltatlooa lsft ape*. 90ugh, dyepnem poor expanelon, para- frequent eoldo uaeloa dlmlnlehad loft aheet, ereplUtlone mil oror both lunge. no eyaptoaa no tboo real eigne. no eyaptoae dyppnam,tough no abnormal eigne. a# abaermml elgna 2001 A.l 2002 A.1 2009 A.1 T aotor attendant no ayaptoma for it yaara 53 mllloright 14 year* no ayaptoma 30 labourer A mUIw aaa In mill 3 yoara ao eyaptoaa 2015 A.1? 23 labouror top floor ill, 2 part no eyaptoaa 2020 A.l 2021 A.l *7 la mill 14 yaara no ayaptoma 52 millwright 50 yaara no eyaptoaa 2025 A.l 2727 A.l 2053 A.l 2055 A.1 2054 A.1 2054 lil 20*12 A.l 64 maeoo la mill 24 yaara aa ayaptoma 44 mlmo (wort not ataUd) aa eyaptoaa 12 yaara *3 drlllar 4 yaara 41 drilla* 25 yaara ao ayaptoma aa ayaptoma 40 drlllar 4 yaara no eyaptoao tparoma a i yaara foramen 25 yaara 57 drlllar 3 yaara 1 reel aaa 4 yaara aa ayaptoma 22 plpo aorarwr so ayapteaa (featarr) 4 yeara___ faint aalat ralto 5 A 4 rib la front* ao abnormal algaa alight dullneea right baetjlaft eheet expanse mora than right. braath aouada at aploaa bar all ao abnormal elgna ampanelaa allghtly 11ml tod nspanloo limited ao abnoraml eigne ao abnoraml elgna no abnormal algae abeoot total fmltua broaahlal nlea left eld# ao abnoraml algaa* v* 1073 TabI a VI bmi nif> . noalt Art OatopaVlon*! hi i lory Syaptoax Thatford Uinta flrmip alri"ji 1 A.l 42 5 4.1 4} 6 4.1 39 (probably) 11 a.2 56 13 IX 4J (arly) '3 4.1 51 15 4.1 47 (probably) id A.l 26 i? 4.1 45 (mrly) 21 4.1 52 (mrlf) 23 4.1 62 (arly) 26 A.1 29 26 4.1 44 30 4.1 35 (arly) 32 A.i n(~rly> 33 4.1 5< - 39 4.1 59 (tarly) 40 A.l 62 4t A.l 46 (probably) filling bags 6 ytraj a* ayaplooa toaria all aka abova haart olltr 10 y*ari 4 at both baaaa baOlad. forma 4 yaara drlllar 25 7*ari na ayaptooa no abaoraal algaa alaaoar la mill 3 yra. dyapaaa so abaoraal algoa fillla|j baga 4 yra. alllaright 37 jaara dyapaaa oa abaoraal algna rvatpar 16 yaara oough 4 axp- aoaraa oraplUtloai otoratloo, lafl apax bahlad Ota, blood la puba,dyapaaa loaa of valght aillrrlgnt 21 year* oough 4 aip- dry ralaa otar rt,ohaat otoratloo, bahind, axpaaaloa doflela' dyapaaa, loaa of valgbt 4 atraagth aillvrlght 21 yaara oough onaalonal dry ralaa at laf t baao drlllar It yaara m typUao oo abnormal algaa drlllar 17 yaara htaUry af aoabaaraal aipa plaurlay, ala Ur dlad of t,b,t. aillvrlght 24 yaara dyapaaa m abaoraal algaa drlllar 40 yaara 4a ayapuaa aaay arapiUUoaa right baao. drlllar 6 yaara >o oyaptaaa so abnormal algaa gastral work la pit 4 yaara flllUg bag* 1 yaar hlaUry of oa abaoraal algaa dual shod 6 yaara hmoptyalo U alll 9 yaara toughs d/apooa oa abaoraal algno U taial faadlif ooapoalad 1,1.1 imhar 3 yaara la 1923 oraoharlt yaara oa ayapioaa aa abaoraal algaa rraapar la mill 4 yra, ollar la alll 3 yaraa laadlag baxoa la pit laUr dlod a Sboaara of flao traplUftnt 25 yaara, ftodlng of t.b.a* 1669 both luaga bohlod fraa 4 tha aill 3 yaara 3 allWrighi tdyaari dyapaaa rorUbra doaa.parruadoa aoU dial slabad oa abaoraal algaa forataw 26 yaara foodlog aruahor 10 yaar dyapaaa raplUtlom la rt.ajdlla tlBasing la alll 45 yra.faadlng eryahar In alll no ayaptou 4.1* baia bohiad, no abaoraal algna 6 j-<tira, drlera yoar, foraoan In Bill 1 yaara 11007744 IA Table 71 (continued) ua, Bo, aoela Axe Oeeupatlonal hlatory Pyaptoaa Sitae. Thetford Mlnee group (oont'd) A.l t* (early) A.l V (probably) A.l TO A.- Ut 2? A.l A4 (late) . loading boxaa la pit ?yra., driller 6 yra. operator in sill 6 yra., sillaright to yaara oiler in sill 13 yaa foraoan alll ? yra. sill rapalra 1* yra. sill forscan 1- yra. PoraautB alll yra. alllvrlght ? yra. ao eyaptoae no abnoraal aigna, no eyaptoae pereuaalon leet rsaonaai over right lung, ahovera erepltat.one right aide front 4 basic, t over left up. er lobe front 4 basic, on died t.b.C. expansion poor, aany daughter haa oreplUtlona 1, apex It tubereuloala. In r, axilla, arepltatloae r.i 1. upper lobaa behind * at both baaea. ecmigh, dyspnea expansion poor,pereuaalon poor at aptsee. ne rales, na ayaptoaa ao abnoraal algae. I 5r: 1075 13 XI *111 bo ootsd that of tho 141 am sxaalssd at Aabsatoa 17 dlag* ooaod u flral itmga aaboatoala, *hli# of tho }A azaolasd at Thatford Mlaso 21 tit* dlagnossd u first stags aaboAAoola and 3 aa sascod stags asbosVssla. This la aot to bo latorpratod aa lodlaatlng an oxoass haxard io Thatford Ulasa* Tha laeroaaod loaldonoo of fxiaaoaeooniosla la Thatford alaaa la alaply a raflaotloa of tho dlfforoat dlstrlbutloa with rospost to ago aad loagth of aoTTloo. Rafar ana a to tabloo 1 and 2 will raaall tha paat dlff^r- anoaa la thsao too things. Za tho {TmI majority of aasoa tha loagth of ao/Tlso la dusty nrk m aoro thaa 0 ysars aa 1ad1oatad la thofollovlag tablat loagth of aorrlao ffuabor Of eaaoa ITuabor of man raaldod 0 - A yra. 5-9 10 1A H 4 otr Total 2 9 7 hi AA 73 19 19 191 fro* thla tablo oao aould ooaaludo that aaboatoala la aot ilksly to dovolopo with am oxpoauro of loaa than 3 yoora, but that oith axposura of aoro thaa 10 yaara tharo la a groat poaalbillty of It dsTsloplog.- Zt la, hooaror, of latorool la raooabor thmtamny am with long parloda of axpoiurt do aot dorolapo any algaa of aaboatoala* Am to oaaucatlooa of At irlllara 13 varo aaaoo of aaboatoala, of 1C9 ill vorkara 27 ***0 aaaoo of aaboatoala aod of AO worksra la tho fastary oely 1 waa showod *r*y orldoneo of tho dlaoamo* Irldootly tharo la llttA* dlffaraooo la tho hamard la mill oorkcra aod drlllsra* Tho mill workers appoar to bo ozposod to far groator dtat ooooootnUooa thaa tho drlllsra and It la rathar difficult to'underatdod dar tho high laeldaaea of aabsstosla aaoog tha drlllsra. HoroTor, It aay r may aot bo of lataraat to a oota that u that the driller* u* oacaaloaall/ expend t granite duet. *>oe of the o4** of eabvotoale appeared to auffer from dl*ebila| eyuptose. Perhaps the Boat coaoon eyap too na ahortoeaa of brae Us, but lata than half tha taaaa aoaplalnad ofthis ayap'Voa (tl of the *1 oaaaa). Aa to physical alma I tu unable to find an/ pathognomonic algna vhlah could enable ooa to sake a dlagaaie In tha abeanee of tha x-rajr picture. Inspection of tha lung* wa* of llttla value since it -*s difficult to avaluata tha dsgraa of dlaphr^gBatie txeuralon and aoeatloe* expansion *P. eared to bo daflalaot ahao actually It eea aot. If a raaplraU.ee teak had baoo erailabl* aoaa quantitative Idea of vital capea it/ night have . baaa attained) the aaaauaaaaot of ahatt expeaaloa bj a tap* aeeamre ana given up after the first ICO examinations. Since there 1* not standard plttb of persuasion note and m ataodnrd intensity of taatil* franitue or voaal reoooaaae on* ha* to sospare ona aide of the ahaat with the ether te dateat aboenaliUt*. But eabaeteaia la eeeenUaily a ajmetrisal lealoo and la thla diaaaa# the aooparlaee of the too aide* of tho ahaat le of little help* The eaae observation* apply te the quality ef the breath sound*. fit* neat frequently found ebeomilty me* the praaaoao of ralaa, Mr" p rtiamlariy arapitaat rale** In ooa/ of tho more cater a aaaeo ahaver* of thaoo rale* oaeurred throughout bothf iLdoo af tho sheet,partieuleriy oa toughlai, but ia too of tho three caaae of lecacl atage aaboetoala thaa* ralaa ware not heard, eo that evideotex they* are aet a eoeateot alga of a-1 the dlaaaeo. Co *1 laical examination too or throe of tho eaae* with i largo nuabera of creplUnt ralaa at tthplaaa vara thought to be tubareulcu* but the xray examination did not confirm thla iepreatloa 1(177 >5 Tuborsalodt did oot play u Important pa/I 1 i th* study. loo* of th# ***** of *b*to*l* appoorod Vt b* oo*plla*t*d with this dl***. Ind*d tho l.nddan** of daflnlt* tuboreuloal* la th# t*o (roup* of 127 Individual* w** vary low, Th*r* r*r* varal suayootod o*** oo dlnleal examination whleh war# not oonflratd by x-ray and *v*ral suspected ea*** by x-ray which ahow*d no roal *Tld*no In th* way ofdga* and cyaptoaa. Only on* eat* la th* (roup* oaa b* considered a* activity tuboreulou*. It w* dlffloult to obtain sputum froa oo*t of lha aoa tine* vary f*w of the-a vara oou(hiag. About 12 sputa w*r* axaaload for tubaral# bacilli and aiboatoo bodia*. Ifo tuboral* bacilli vor* found but on* eaaa did show several a*bo*to* bodia*. thl* oaa* wo* di*(no*d by X-ray a* probably aaboto*la (first at*(*) but 1* aot loeludad la th* author of a*bato*l* eaaa* alnao tha x-ray flla wa* not satisfactory. Coorarsatloa with phydelaa* nnd Ain* aanagtr* la tho asbaito* ragloot > lndlsatad that oo hacard to haalth va* *u*p*atad la eosaoetloa with work j la tha asbaatoa aialog and milling Industry. la (moral it any bo said that th* haxard of pa*uaooo*oaloda In th* asbaito* mlalag and allll&f Industry ha* ba*a doaooatratad, but arldantly th* dl*aa do** Mi InoapadVato to any (roat d*(r*o and apparontly It it aot particularly a*oalat*d vi^^uboroulod*. 1078