Document 4aBabwGL0Y9n9Gv22zGQa900a

FILE NAME: Allied Signal Bendix (ASB) DATE: 1980 DOC#: ASB136 DOCUMENT DESCRIPTION: Abstract from Scientific Journal - Asbestos i >nl, la58 s _ v ippiement -<nee and I:iinIbook M. D. C. PharmaTramum "ok Co., IAXCE: rii brief iATION 1'ri TO Industrial Hygiene Journal c. iu:roM M Kxni-:n co x tro i ptm C l i n i 1IX: To prey,.,,,. e ^ , lush concentrations atumphnu ,,i;,.., profe?. ventilation and/or rn rlM itr an. the I ^ t mean, ,,f fo r Mitili* operations a diM r**pir,tor approved by he S. bureau of Mines piay lie satisfactory. IV. Specific Proceriures A. FIRST AID: None. P. SPECIAL .MEDICAL I*ifOCKI)UIi JCS(1) Prcplncemcnt : Clinical nn.l eliot radiographic examinations should lie made on all jiersons prior to job assignment. (2) Periodic: Since there is onlv lim ited information about the harmful effects of amorphous silica in in dustry, exposed jiersonnel should have careful jieriodie medical ex aminations, including chest x-rav. Pulmonary function testing may lie useful. (3) Treatment: Xo satisfactory treat ment other than removal from ex posure, and therapy for anv com plicating infection. ' JG1 V. Literature References ' 1. Om en,, tt- r , 1; J)h|(Ntna| , N,,'<,r;nv*I1,I1 Inc. New York, nini Orr. Med., S; .Jp. 4. L v !!itj .;.S .;,W . Mvd., 7; 470, m ts. o. ` " M A* Asn C.IM.KT. A.: AMA l l V0- and Oee. Med., if; 6- &;..;, <5. W. II.,etal:AWA Arch. { ./'7 r .//ca,A/ W* 12-5, 1057; ibid, W; m , '1.o0'.-.-, ; ibtd. Uid!:; "4M9)9-, 11!,05577:. 1,1 7. Smaut, 11. i; am Avdkhso.v, \V. M hid. Med. mid Surg., 21; 500, 1052. ' 5. 1 KBIlKN's . I). AN.,, IUiaiid, u. It.: AMA Arch. l,,d. Health, ui; 55, 1957, 9. U. is. Public Health Service; California Department of Public Health; Nevada J W 1J ? !1TDepartment; Oregon State Stmlv r l. Ioa , l; I rogress Itepori of Wml> of Pneumoconiosis Hazards in the Diatomite I rocessing Industry. ]05;,. A s b e s io s I. Hygienic Standards A. KKOiMMKXDKD MAXIM DM AT MOSPHERIC C<)XCKXTRATIOX {* hoursi: 5 million particles tier cubic foot of air (MIM'CF).' (J) Basis for Heeommendation: Experi ence in industry,I.*8 ** '* ani. mal cxjsTimcnt.s.8 ' B. SEVERITY OK HAZARDS; (1) Health: Long co(in,n*I inhalation of asliesfos dust results in a font ul pneumoconiosis known as a>!ie.to.-is. The primary rileri of inhala- iton i' iuterstui.,i pulmonary fibrosis, file disease is characterized by asliestos Itodies in the lungs and sputum. Based on roentgenological examinations. nsl>c>tnsi> can lie rtasMlied as minimal, m.Hlerate, and advanced. It is a serious disease in some instances, but more frequently it remains nondisablmg for many years, even without appreciable rjmptou, as long as sonie other serious chsease does not suxtvciic eattse death.* Chief symptoms ,.f advanced asbestosi, :,re variable rmich, dyspnea, sulcternal che-t pants, decreased rhest expansion, weak ness, emaciation, clublx-d fin. gor tins, and curved fingernail,. Am- appreciable decrease in the amount of asU-stos dust in f|,,. breathing ...(.sphere 'ill cau.se decrease m the incidence and severity of asliestoMs. Individual sureplihilit v vanes* There have liecn re^irt* of an increased incidence of J,n c ran. ''!`r .l"'rs<,"s It aslieslosi.,.* j t i l cm*: Xone. C. SHORT EXPOSURE TOLERANCE. Not applicable: ' H. Significant !'ro[crties A fihrot|s magnesium calcium silicate which occurs in various combinations as whit., crcytsh or gr.*e.,ish either Pom|Ktpl' * ky fliJ"rs* .`md readily paralcd. Alxuit 957s of commcricnl nslx-s- tos is ehryM.tde, which is derived fnil.l ecrjicntme, and is a hydrouii magnesium Y s N O V Z i t*f?c 0301? G. WEEKS 1G2 silicate continuing from 1:>t ^ water of crys.talliz.uio,,, ^ tent ill. Industrial Jiygicnu Practice A. RECOGNITION: The tu n in g und weaving-of asbestos, in combination vriU, oUier textiles for lire proof and h i t April, 1958 :\\r' Indl have periodic clinical examinations for s i ^ , and symptoms of ashes- teas. These should include exami nation of the sputum for asbestosis _ d chcc, ^ resistant cloth, results in dust exposure iwirthro,the*r*musatt>edriablts fiioMr :vifalvre cp^ack>incgds (3) Treatment: No n i r ___ ment other than removal from ex . gaskets, boiler lagging and pipe? cover- Posure and therapy for any com ng, protective clothing, shielding ma plicating infection. > terials, and as automotive brake ifuings. In the building industry it is used In V. Literature References tl*c manufacture of asbestos ccnien Pfoelucts, heat insulating, and fir", prooling materials. C ' n z s li. EVALUATION OF EXPOSURES: Abestos dust may be sampled with the electrostatic precipitator or bv tlio impingcr methed using alcohol or alcoX rW M U S" ** <.' ". r5MAiml 1"Llb. 'aits,TbasPehdf nuc^cnontcheeiltrimatpiomneeorf sampling procedure. P S e w S iff''" ' CU-VniuI- wio. " t'"` l^cvenimg c.\po. t re to concentrations of dust sulli- A te *' . "'5, D. C: i C P * **" 5` d H1?K>1M1c'C/ 'tra`VwND-Hl iiilAl TBcao-oTk.: rIvndustirial . New York, 1954 C" ^ <i. Faikiiall, Lawrence T.: Industrial iox,eulogy. The Wilhams * 7 lro, , . U.'l*l;f*l*l*i'm*'r*.'. \f.J i,v1.o-t-. **14MilS llMth' ii' J '' Ct 411 Tboro* l >P- ^ a - ' IV. Specific 1 S * " A* ^UlST AID: None. * K ( f S i WliDlCAL PROCEDURES: ( 1) 1 replacement: Clinical and radiofraphic chest examinations prior to job assignment. (2) Periodic; Exposed iiersoiwel should Z Z 'T & .'A i Publishers, Inc, New York S s `?` lttlyvgn. naTndJ iUlc*cu'p. hied4.ASiA; A1,rc1h9.5h1.id. *" * ~ 2 a relative tcalu it umd /,,, ,, " c , w * / ffikhiitNcu i<0v 4 /?* f i lf l f' ,' .fi - -:ai.