Document zoN8vapqo57bkMyjXoB5Bb55g

FILE N A M E: G oo dyea r (GY) DATE: 1972 DOC#: GY034 D O CUM EN T DESCRIPTION: Industry Hygiene Manual General .^beanos Is a term used w dss.rlbe so.e-'a.l f brrus Li. ; silicates. The a>31 LEwrtant types 'i asbestos a simple magnesira aiiicate; amoeite r.d anth-ph;-.;`i;%. magnesium silicates; and ortaidsllte. a i ompiez ;qj i-- ; aiiicate, Chryscrrlle fiber la of the reaves*, imp-irtenr of its qualities and extensile usage. * . _ - T:xle.*tr Systemic Long continued lnli&latlon of asbestos fibers may result 'he development of aabeatoela (a chronic lung disease) acornr c.:J.ed by severe respiratory symptoms, changes In pulmonary fun- Ion and changes in the appearance of an x-ray of the lungs. ` . \sbestos fiber Inhalation has also been implicated as a ; >9$lble causative factor :ln lung cancer, particularly bronchogen i carcinoma, and another fora of cancer called a mesothalir There are no specific local tcrdc effects, flyvallLpc? The folloving medical surveillance procedures shall be f * ..1 v=A on all applicants for hire, employee transferring to, esr .:jsz presently working and terminating employment on job asai. men::, involving the use of asbestos or materials containing es:jscjs, Boutins pre-placement medical history and examination Chert x-ray (PA view) 11x17 Pulmonary function test - PEYione second forced sxpirat- .y ualng MsXeseon and Robins "Vltalor" or similar eaulpcen* . 0> Trmnmfmr Medical history - with particular reference to symptoms cf respiratory disease Chest x-ray (PA iiew) Uod.7 to be dons only ;.f nr racord of rhssi x-ray within previous one-year period in msdicai file Pulmonary function test - FT7]_ using "Vltalor" or similar eouipu-rr.; fi ' . 50035443 cnf*00603 GY03-009732 - 2- Parodio The fallowing procedure shell ba done annually; Rarriev of medical history - with special emphasis en 371:-toas of respiratory disease - cough, dyspnea, chest pain,..et-:, Physical examination - vith emphasis on auscultation, pe.'rission, etc of the chest ' flhest x-ray (Pi rLw) Uxl7 Fulaonaiy function teat - fET^ using "Vitaior" or siaila.: ^quipnec', Termination Hist be done vithin thirty (30) days before or after temlcation of employment vith the company. _ Review of medical history - vith particular reference to symptoms ' of respiratory dlsaaae ' ' ftysical examination - vith emphasis on auscultation, percussion, etc of the cheat Cheat x-ray (PA Tiev) Hxl7 Pulmonary function taat - TEV^ using "Vltalor* or similar equipment ROTEi 5o medical examination is required of any employe. . if adequate medical reoords show that the employe has been examined in accordance vith any of the aboTe examination requirements vithin the part one-yiar period. Interpretation Any person vith a history, symptoms, or physical findings of chronic lung disease or vith an abnormal chert x-ray or TZV^ shall mot be hired for a vori: assignment involving the use of asbestos or materials containing asbestos. . Asf employs vith a history, symptoms or physical finding: of ohromis ling disease, or vith an abnormal chest x-ray or shall not be permitted to transfer into a vork assignment isro..ring the use of asbestos or materials containing asbestos. .Any employe vbuo while working vith asbestos or materiel.) contain ing asbestos develops symptoms or physical findings suggesting lung disease or who is found to bat* changes in the ches**. x-ray or FSV^ shall be remorad from the particular vori: assignment, Tbs employe shall be referred to the plant physician for further medical valuation, 50035144 60000604 - 3- It 1 In the best interest of the employo vbo develops u? of the symptoms or findings of chronic lung disease to be pcrmannctly restricted fro* further work with asbestos or materials <nttln.ng asbestos. The normal range of the forced expiratory rolune (FS7) if ?0-85:.i of the rital capacity. FE7]_ of 70% or leas is not acceptable for employment cr ranofer FZ7. of decreasing value on periodic surveillance may be indicative x of onset of lung disease Chest x-ray - appearance of infiltrate in the lung baser may be indicative of the early etages of asbeatoals. The increasing density of the infiltrate and the area of the lung involved indicate progrese of the disease. Hedlcal_ Records The records of the above medical examinations shall be retained in the Medical Department file for a *"* of twenty (20) years, There are no special first tld measures. Medical-Industrial Hygiene Manual (7/72) 0035445 cnnnncos GY03-009734 ASBESTOS Tlir>T>w,y 7,,|in The 8-hour time-weighed average airborne concentration of durt asbestos to vhich employes art exposed shall not exceed 5 fiber per milliliter greater than 5 ad.crons in length, as deterninsd t7 the membrane filter method at 400*450 x magnification (i ?4'Ulster objective) phase contrast Illumination. Concentrations. arc -j 5 fibers per milliliter, but not to exceed 10 fibers per "it'li.lite r, may be permitted jp to a total of 15 sdnutee .1.u an hour f r up 5 hours in an 8-hour day, '0SH.V as published in the federal Register, See. 7, 1971). OSSA limits are based on the membrane filter method at 40)-450 x magnification (4 millimeter objective) phase contract ILL adnation Initial routine sir sampling shall be done whir until sufficient data is obtained to assure complta coverage of all phases of the work. After the base data is complete', routine sampling shall be * done aonteSX* Pr|QTyT P reten tion Where engineering control methods are not feasible or where airborne concentrations exceed the Curesbold Limit Values, employe! shall be provided with and required to use respiratory protective leri^es. Each employe shall test his respirator before each use in order to insure a proper fit according to the manafacturer1 instructions, Employes and supervision must be trained in these techniques. (a) . For an atmosphere containing not more than 25 flbirs per milliliter greeter than 5 microns in length over in 8-hour average, or more than 50 fibers per milliliter over nsf period of 15 minutes, a reusable or single-use filter type respirator, operating with negative pressure during the inhalation phase of breathing approved by the U.3. Bureau of Mines (Schedule 21-B), or a 7nlvelees respirator providing equivalent protection shall be used* (Mine Safety Appliances ttastfoe or equal). (b) . For an atmosphere containing not more than 250 fi>ers per milliliter greater than 5 microns in length c?er an 8-hour average, or more than 500 fibers per ad111.Liter over ary period of 15 minutes, a powered filter positive pressure respirator approved ty the U.S. Bureau of Mines (Schedule 21-B) shall be used. 5003.W6 6000060g GY03- i`c). For An atmosphere containing nora than 50 fiber3 par milliliter greater than 5 microns in length )'?er an 8-hour average a type C positive pressure supjiiea air raspiratcr approved by the U.S. Bureau jf Miiea {Schedule 19-B) shall be used. All respirators provided employes shall be properly insp-tstid, cleaned, repaired and stored, i respirator program in aj-ordwcs with American National Standard Z 88.2-1969 shall be "eatlbilsned. Employees exposed to the spraying of asbestos or the desslibiou of pipes structures or equipment corered or insulated vita asbestos shall be prorided with respiratory protective doricea as deserlbed in (C) above. . Special Handling Asbestos cement, mortar, coatings, grout, and plaster shall be mixed in olosed bags or ethsr closed containers. All hand- or power-operated tools, which produce asbestos dust such as savs, scorers, abrasive wheels, and drills shell be provided with local exhaust ventilation and dust collectare in accordance with American National Standard Z 9.2-1971. Vasts Disposal All clean-up of asbestos dust and blowing shall be performed by vacuum cleaners. No dx7 sweeping shall be perfoiaed. Asbestos waste and serap shall be collected and disposed of in bags or other sealed oostalners. Medical-Industrial hygiene Manual (7/72) 50035447 60000607 r^Yns.