Document ExkM8vLemV2NLQMB635mYRJzR

FILE NAME: Foseco (FOS) DATE: 1972 June 13 DOC#: FOS025 DOCUMENT DESCRIPTION: Unpublished Inspection Report Toaaco 20200 Sholdea. ?^ad dovelar, O ' o LJ.2JL2 nzcziVED 'HWClAi OM, M- CS.wr^^r* * 4 )faie_5nrr?:r June 11, 1972 br Sib Korticrd Inrcmrca Grsnp Josapi Z. r?..a.nig&n Taehcicai Consultant logs Centrai Dopartssnt Invir ;m a a v a l Sciancai Unit r05-a-0ae<3: 1157 1 1 Posees 20200 Eneldo" Hass Cleveland, Ohio U XL2 Purpose: This visit was made at the recuest of our Cleveland P.egicnai Office in order to evaluate poesihle exposures to total dues, silica and asbestos dust. Also a aoiss survey v&a conducted in possible noise exposure areas. A g en eral u niv through survey was a ls o esse to check dor possible in d u stria l hygiene problem areas. Contact g.T (1) Mr, P-obert 1'. Porter, Engineering Hunger, Poseco (2) Mr. Donald McKenna, loes Control epreeentative, Cleveland sgicnal Office, Hartford Insurance Group (3) Mr. Sussel lebtia, Loss Control Consultant'; Hartford Insurance Group,- Kona Office, Hartford, Connecticut fu Lj r( tNl i*\ The equipment U3 ed during the course of the survey consisted of two Ins Safety Appliance Gravimetric Lust Samplers,' The tvs samplers vers attached at the breathing sons of tvs workers working at 0-S Area (Pul and 0-7 Area (Pulper). large quantities cf both silica and aebestos utilined at both locations. The sampling rate vs a 1.7 liters per minute for a rvo hour sample. Also a "Oast Pump" vas used at 0-2 Area (Oven "nlriding) ice gatsEring a stationary total dust sample, he sampling rate was 3.0 liters per mimute for a ree nsur sampus. tie instrument used fer the Sound Level Survey vae a Prual and Sjaer Impulso Precision Sound Laval Mster Type 2201 equipped with an octave band filter sat t-~. calibrated before and after the survey with a Breed and Kj&er posten phone, Type 220. Keisp Survey Ke-- S e is e la v is recorded a t tb s tin e tha survey vas nada are as follo w s: -UCUl Q*A A~ J (ibrrun rea) } *R i, noa.icn ) Core Shooter > Vac # 2 51 dbA IDA dbA 10A dbA IMJUCLmSJk a w. rem cinc (Approx.) 1- h r . p s r 8 hr. s h ift (Approx.) f h r. p er S hr. s h ift 1158 T /- tocatic:; 0-5 Area Kiltiple Sisar .Machina 2 - Eaat.-.g Durctdhs cf "psanrg ' 106 dai . (Apprrx. ) 1/6 kr. per 8 kr. ehil Corressi ; Ear pratactioa li evaditele and vers by operatore ia 0-5 Area I vas isiersed by aaragecest. Ktgher seise devela vould preval `han additi.css.1 n a d i r ; i are ir operatios. CoreInri es: 5ecBd-.cn rsdinjc ottaised ai iha idra cf th survey aad due io short dusatdsa cf seise expoours so industrial hyjiese seise proeles exdsted ai tho tiss of ths survey. Hovover surrssi federal Standares racuiri th sployer io prvida adecate ear prosastica aad asieres iha nrcpsr -aarisj of ibis prote etica vhere ths esployad is axpose to 90 decibels os th A- yachted cale (dhA) fer ths scrss.1 ucrk parici (8 heur da>*}.. lar proiectica is consideres accapiable osly as as isteria seasure usili essiseerisj sethsda cas be isplesastad io adequate!}* reduc ths seise *3 lavala. Persiaadile expasure tiras fer sedes levis is escasa c 90 hA. ars shsvs. is ths tabla belsv: I3A Mea:. I g v e l Persiaeih?a Kours ?er Dav Over 115 : c n- 105 102 100 Hese ir 2 97 95 92 3L6 ' 90 8 *ud*Adass<t*r4im.s axasds -.ticsa so pari cf pre-asplcysesi peyedez. exasdsail: ars vatluiast.eb _ds; Bacrraaeesudrsnjs; auu shoearadser ulosaes cishapi chatsa ocecsured pridosr io es-- Puoysest. ferrerie aurucsstrss axansardos; cas he usad to evalate etr prsiecrics projrass asd detaet ihaae individuala susceptible -to hearis: lose. J F O S-0G -000000252S 1159 T 3 ' Dust Ssrritr:?' Reagita Total Dait `i f l r p p i i o . Duet Co^leetsd (ne.) r9 (0-8 Area Pulper) .'S (0-2 Area Oven (loader ) # Z (0-7 Area Pulpsr) 3.12 1.0A 1.17 iree (?) Slici 50* 5 25 Cene.. 5 15 5 6 ql*wJ<Y1* nc/K> allevar J * 0.56 3.70 1.00 "rur"i"8C"aj^fafcc--fLilu1u1h !i SSSisJi=. #9 (D-c Arsa Palper) #2 (-C-7 Arsa Palper) A n b-stss - it e r s er P tlt.s 12 tibnrs per si. greater than ; nirrers ir length 18 titers per si. greater than 5 ricrers In lenirti ----*!--*-*-_VLa'js,a4*c. 5 titers /=l..->5 V- in le 5 titers /si. >5 'A in la J f s - e a _ g e o e ig g g 96 1160 - - la irte'-- ting the reruits cf our air sarsias wa use ss a raise the Threshold U n i t Values which have been adopted by the Anaritir. Conference of! Z s d u s j s y & i c s i s t i s (A C * G ~ )> iisse v^Xuss baan obtained ibcr the experience cf nary croups is industry and fret laboretcry studies oa aninais. They are reviewed annually and changed as necessary. They represent csscitiers under which it is believed that sesrly_e.il workers say bo repatiadiy exposed for eight hours per day, five days per week without adverse affect. However thSES values are net esly &a guides fer the best practiea and are aDt to bo considered absolute values Thara is reasonable assurance that occupational disease will sot occur if exposures era kept bolcv these values. ; Also OSHA., the Federal Occupational Safety and Health Act of 1970 (?.L. 91-596}, enacted to assure "working people safe sad healthful ccrriticrs and prassrte kunaa resources," has as its basic objective pactsctica of esrieyBcs against safety and health hazards. Hader OSHA rules, Federal rules, Federal Register Val. 36 To. 105 fey- 29, 1971 Suhpsrt G # 1910.93 "Air Ccataainants" the oam i s sable levels for silica and asbestos era contained in labia G-3 "lnerai Dusts". Also the sane reference above certains ths roquirstarts it by Federa' law for rciaa in Subpart G Section 1910.95 "Occupational .'sis Ixporurs" A espy cf this reference should be obtained fren Federal iafecr Deparmsrt if it. is not already available in your plant. B&ssd os the results of cur air ssnples (Hafer to page 3 ) it would indicata that properly designad local exhaust ventilsticn is needed in the following areas; (1) 0-8 Area- (Pulpar) (2) 0-2 Area (.Oven Unloading) (3) 0-7 Area (Pulpar) . inerter te sr.ntrel onrloyea exposures to aebaetoc end ailira dust. Thai Threshold U n i t Value for silica and asbestos dust was exceeded in *11 ef the above areas. =igg.-?UT?-V Hafsr te pasas 1 and 2 cf trie report.. -G3-iia-G1iaa>0s,97 1161 5 Baaed ea ths results of sir sanplas taker at ye plant or vaie 13, 19~2 tho following nsihods of control are suggested. 1 Saule good engineering practice dictates ubera possible that your operations be controlled at the source. -he areas of concern are and filling operations'. (Hafer to Pace )* 2. A lasa hazardous material nay ha substituted instead of asbestos perhaps actus other nineral fiber. 3. Usa of respiratory protective acuipscnt for pn&unoconinsis produciti dusts approved for exposure by the united States 3urs.au of Hines should bo initiated and properly ara by the operators is areas where unbagging and filling operations with asbestos taka place {saisly pulper areas). 2his however should be ecnsidsrid as a teeporary control nsasure. Respiratory protective equipment should sot be considered ea a substitute for adequata local exhaust farovai, eUrination ef ths contacisant, or costsimsnt. L. She dusty werke nay be porfemsd is a separate building,or nay be isolated by partitions to reduce the rushes of esnloyaas ssnosed to the dust. 2 assioyaas who are still being exposed should be protected by raunir.tcry urciscoiva quiuuant. ne't Plant Houseseepine; should be imrovad by continually vacu;minr *t=&s where asbastaa is spiUsa on floors and usila- This could ooseibl'. b docs at nirht or on weekends when cost ennisvees era not in your plant. . Super-risers end foreran should raia sura that operators era infomsd cf tka potssuial hasards associated with .handling- asbestos and eilisa duste. & chinsa and verb areas should ba kept clean and verkroor floors should be cleaned daily. The rupervisers should train, asnloyees in prescribed control Esasuraa far transporting catarinls and handling and supervise than closely to ass that they tsko the necessary precautions to prevent cr sinirixe assosura to duet. rOsi"*0",2i2G>0J2j2c5c 1162 6 E m U S ? SYSTEMS An effective exhaust system car be a very definite control nsasurs if * properly designed, installed, and naintsined. The approach, to on properly designed exhaust Eystom is as follows: 1. Design each systea for the specific operatic!. 2. Insure that the exhaust eystec in effective in controlling potostial exposuren. 3. Doeua-st the design standards fcr each unit, face velocities, act L. Hsasura air flows aoni-annually to dctemiae that the unit is functioning as designad- 5. Calculate the total volune cf air exhausted and provide an equal voiura cf cake-up air. 6. ^eap doors -'' windows closed. 7. No pedestal cr window, fans should bs used. B. Haviav overall exhaust systems annually. `-recces (1) 'Aasrio, Car--'t-r.ga c: 139C2. Ind; Ccnference cf Govermsri&l Industrial hygienists, adustrinl Ventilation, ?.0. Bex 53, Laneinr, Hichigan rial Vencilaticn -- A annual of Baccmanded Practice. (2) Anarican loundrynnn's Society, Golf and Wclf Des Plaines, Ulincis. "Engineering Manual fcr Control cf la-Plant Environnent in Foundries. 1961. PGS"-Giip"i2OE&&2<33? 1163