Document zzmbGgZ11E7jx1259QJdyjGYR

FILE NAME: Union Carbide (UC) DATE: 1985 June 28 DOC#: UC121 DOCUMENT DESCRIPTION: Memo RE Asbestos Exposure Effects Potential Non-lnsular Crafts with Report - Job Classification/EED Code INTERNAL CORRESPONDENCE JU- 2 " 1985 U N IO N C A R B ID E C O R P O R A T IO N p o b o * b c i c w . s o u t h c h a r l e s t o n , v >v ?b 3 . SU IC O N ES A N D U R E T H A N E IN TERM ED IATES SO UTH C H AR LESTO N Rl ANT J. R. Dean P. D. Gossage B. G. Stump June 28, 1985 C. E. Fry D. A. Gosselin R. W. Holland, Jr., D. J. McNeil T. G. Swanson Managers Department M.D. Asbestos Exposure Effects Potential of Non-Insulator Crafts Asbestos dust measurements in the plant are consistently below OSHA permissible exposure limits (see attached summary). However, when we detect even a fraction of those limits in our air samples I get a feeling of apprehension because I question if any level of inhalation exposure is safe in absence of respiratory protection. Airborne asbestos dust measurements are expressed in terms of the number of fibers that are 5 microns or more in length in one cubic centimeter of air. Numerical estimates should be evaluated with caution according to OSHA, because air concentrations used are a matter of convenience and "should not be evalu ated without interpreting the meaning of the u n i t s . F o r example, the OSHA permissible limit for an 8-hour day is 2.0 fibers (5jj or longer) per cc of air. This may seem like a small amount of asbestos which is conventionally determined using a microscope, but in my opinion represents a potentially hazardous condition. Id physical terms 2.0 f/cc equals 2,000,000 fibers per cubic meter of air (f/rtr). Humans inhale about one cubic meter of air per hour, depending on degree of activity. Thus, at this concentration a worker would inhale roughly 16,000,000 fibers 5 microns in length over an 8-hour day disregarding the possibility of an infinite number of shorter fibers being present under some conditions. Based on our measurements such conditions rarely exist in plant workplace environments. Nevertheless, existing, natural defense mechanisms alone (respiratory system mucous and nasal hair) may be inadequate for even concen trations at the lowest reliable detection limits. I feel good about the manner in which exposure control has improved among Insulator craft groups due to establishment and maintenance of adequate standards. My feeling of apprehension, however, is due to concern about potential chronic health effects among all other crafts whose exposure concen tration m a y b e comparatively lower, perhaps less frequent but, in any case, generally without the benefit of respiratory protection. Bureau of National Affairs, Occupational Safety & Health Reporter. November 11, 1983. UCC 008287 -2 - As you know, total elimination of asbestos-contained materials in the plant is unlikely and impractical because of cost, safety or lack of suitable replace ment material-reasons. A gasket failure, for example, due to use of an un suitable substitute could potentially cause a far more hazardous condition than any conceivable one related to use of asbestos-contained gasket material. Occupational exposure to asbestos can be effectively controlled in most plant situations by using wet-method handling procedures and an appropriate dust mask commonly used by Insulators throughout the plant. I urge you to consider taking action necessary for strict enforcement of mandatory use of respiratory protection by all employees who use or handle any asbestos-contained materials, e.g., gasket fabrication/removal/disposal, brake lining replacement or even inspections, insulation removal/disturbance related to a wide variety of job tasks performed by various craft groups, etc. Such action would virtually prevent occurrence of any inhalation exposure. Please call me if you have any questions or comments. Thank you. WCY:bl Attachment UCC 008288 JOB CLASSIF1CATION/EEO CODE CLASS AUTOMECH BLKSMITH BLRMAKR C DRIVER C FMAN C MAINT C OPER CARPNTR CAR UNLD CHEMIST 0RRTECH ELECTN XPDITR ENGR F S ATT FMAN GEN FMAN H E OPER I H TECH INDHYGST INSP T*I INST MECH INSUL LAB ASST LAB TECH LABORER MACH METL WKR MILWRT OPER PAINTER PIPE FITR P M OPER P L MECH 0 C ANAL REL OPER RIGGER SALVMECH SD BLSTR SR CLERK S&R CLK SUPRVISR TOOL CLK TK DRIVR UTIL MECH WELDER WGHMASTR JOB CODE -------- s U B C 0 D E E 0E 40 41 42 43 H 5Z H 9Z H 9Z 1 0 4Z B FH 2 JMZ3 H 1Z 2 HDZ KX Z C3Z DXZ2 H B2 GX2 C7Z LSZ BFH 1 BDZ H 2Z DXZ1 CPZ J FQ HAZ HQZ D 3Z 1 D 3Z 2 KBZ HSZ1 HVZ HSZ2 H 1Z 1 HNZ HRZ HXZ 1 HXZ 2 DFZ H 1Z 3 H LZ JMZ2 HXZ GXZ GXZ2 BFZ GXZ3 J4Z1 JM Z1 H 7Z JGZ Automobile Mechanic ' ~~ Blacksmith Boilermaker Non-Plant Truck Driver Non-Plant Foreman or Shift Leader Non-Plant Maintenance People (Contract, SCWTW, Etc.) Non-Plant Operator Carpenter Car Unloader Chemist Corrosion Technician Electrician Expediter Engineer Fire Station Attendant Foreman, Supervisor of Hourly Personnel General Foreman, Shift Super Heavy Equipment Operator Industrial Hygiene Technician Industrial Hygienist Inspector TAI Instrument Mechanic Insulator laboratory Assistant Laboratory Technician Laborer Machinist Sheetmetal Worker Millwright Operator (Chemical, Plant 514 Only, Including Pumper Operator) Painter Pipefitter Pipeline Machine Operator Pipeline Mechanic Quality Control Analyst Vacation Relief Operator Rigger Salvage Mechanic Sandblaster Senior Clerk Stores 4 Receiving Clerk Supervisor Non Technical (Does Not Supervise Hourly People) Tool C lerk Truck Driver - Plant 514 Only Utility Mechanic Welder Weighmaster UCC 008289 SUBIRCI CIHRKLES 3.2.2.3 LINES 400-490: PERSONNEL DATA Entries and Comments ; ~ -- r-- ' - j Cannot be blank; Z=none. If a respirator is worn, use the appropriate code letter from the following list: A-Supplied Air, Full Face Mask B-Supplied Air, Full Face Mask, Positive Pressure Demand C-Supplied Air, Half Face Mask D-Supplied Air, Half Face Mase, Positive Pressure Demand E-Supplied Air, Abrasive Blasting Hood F-Gas Mask, General Purpose . G-Gas Mask, Specific H-Cartridge, Dust, Nuisance, Full Face Mask I-Cartridge, Dust, Nuisance, Half Face Mask . J-Cartridge, Dust, Specific ' K-Cartridge, Acid Gas, Full Face Mask L-Cartridge, Acid Gas, Half Face Mask M-Cartridge, Organic Vapor, Full Face Mask N-Cartridge, Organic Vapor, Half Face Mask 0-Cartridge, Specific, Full Face Mask P- Cartridge, Specific, Half Face Mask Q-Dust Mask . R-Dust Mask-Disposable S-Dust Mask, .Tqxic T-Supplied Air, Hood ' X-Other Z-None UCC 008290 PEPDTT |HiV 1 . H HI ST 031. .L AKT 514 .AS ES T O S .G U S T _ M i A i U R E M E N I . 5 ________ _ _ JD6j2.8/35.._PA. r* * * * * . * * * * * * * * * * * * . * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * C0NT_AH1HAHI._NAJ1X J E E X . JUtDCESS ................................................................ AT.. J O B ___ SAMP_____________AU t ______________fcHOUg____ EXPJ35UPE..RESP __________ __ ND. OR UNIT CLASS TOIL CONC T.H.A. STANDARD CDOt TIME CONC. **.***..***** ******** ** ********** ************************************** ****** *************************** ****** UCC 008291 ASBESTOS FABRICATION SHOP 79 03 07 17 .1500 2.000 ISRFSTflS FABRICATION SHOP .79. 0 3 G ? _______ 1 7 _____ .SODO 2.000 ASBESTOS I PH 79 09 1 8 315 .1000 2.000 ASBESTOS IPH 79 09 1? 315 .0100 2.000 ASBESTOS I PH ____ .. ____ , _....... 2 9 . .09.. 1 3 ........ 3 1 4 ...... ______ J U G O ............ .... ... 2 . 0 0 0 ASBESTOS IPH 79 09 13 306 .0100 2.000 asbestqs k K Rc;rns IPH TPM 80 04 22 . S O 5 .05 ... 290 ...360... .0170 .0170 2.000 2.000 ASBESTOS IPH 80 05 05 3 60 .0320 2.000 ASBESTOS ASBESTOS IPH IPH 80 05 05 360 .0130 .8 0 05-. 0 6 ___________4 3 0 . .. . ___ 05.0.. . 2.000 2.000 ASBESTOS IPH 80 05 C7 420 .1300 2.000 ASBESTOS IH 80 05 08 397 .0210 2.000 ASBESTOS IPH 80 05 22 428 . 0 1 5 0 ..................... 2.000 ASBESTOS IPH SO 05 23 395 . G 11 0 2.000 ASBESTOS IPn SO 05 27 420 .0210 2.000 A 5 l3 2 ____ _________ _________ I P H ____________ ___________ _ ASBESTQS IPH ASBESTOS IPH 8 3 .05 25 80 05 29 80 06 G4 _____ .415 363 339 .0340 .0370 .0200 2.000 2.000 2.000 A S B E S T O S ____ .. ASBESTOS ___ I P H .. ............ - . .80 06. .1 0 ______ 3 8 o ..... .0200 .... IPH 83 1 0 11 .43 .5 800 .. . 2 . 0 0 0 2.000 ASBESTOS IPH 83 1 0 11 43 1.0100 2.000 A SB i5.T _Q S...._ ASBESTOS ______I.PJ1 . . IPH .......... . . 85 1 0 .11 84 04 06 _____4 3 . ..... . 3 8 0 0 ______________________ __ 123 .0860 . . 2. .Q D0_____________________ .500 ASBESTOS IPH 84 04 06 123 .1040 .500 433i3I03._ - . ... JLPJt- ..... .................- . 8 4 0 6 1 4 _ 3 4 5 ..... . . 0 2 3 0 _______ ______ ________ , . _ , 5 0 0 .. ... ........ ...... ASBESTOS IPH 84 56 14 345 .0310 . 500 ASBESTOS IPH 84 06 14 345 .0270 .500 ASBESTOS IPH .8 4 _D6 1 4 ... ^ . . 3 4 5 ____ ... . 0 2 4 0 ......... .500 ASBESTOS ASBESTOS IPH IPH S4 06 14 84 06 14 345 345 .0110 .0120 .500 .500 A3&JE3IDS -- . . _ ____ I P H ................................ 8 4 0 6 1 4 . .345 . . . . . 0 3 3 0 .. __________________ . _. .500 ASBESTOS IPH 84 06 14 345 .0360 .500 ASBESTOS IPH 34 37 C 3 1 50 .0740 .500 A.Si3.JiSi_ ASBESTOS . .. -- IPH... IPH _. .. _______ . ..... .84 37 C 3 _... 84 07 03 . . 1 5 0 ____ .... .034 0. .. 1 50 .0640 ____ _____________ _. .5 00 .500 ASBESTOS ASlB E S T O S ....._ _ ASBESTOS IPH 84 07 C3 1 50 .. . I P H ............. ....... ........ 8 4 0 7 0 9 _.........1 5 0 .. IPH 84 07 09 1 50 .0740 .0930 .3590 .500 . . .500 .500 ......... ASBESTOS IPH 84 07 C 9 150 .231 0 .500 A S S I D U O S_ . . ASBESTOS IPH IPH 84..07 C 9 . 84 07 10 153 1 95 . .... . 1 1 3 0 .1020 .............. .500 .500 ASBESTOS IPH A S E 3105 . _ .... ........ I P H ..... . ASBESTOS . IPH ASBESTOS IPH 84 07 10 195 .0940 .500 B4 07 10 ... 195 , . 0 6 4 0 ____________________________ . 5 00. . 54 07 i : 195 .0600 .530 ?A 0 7 1 1 205 .1290 .5 00 as a i stos ...... .. .... . IP H. .. 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R P R r P ............ ...... * -, ... : i:P.C \I_ A U 5 ____ L _ R . . R iS IH .B . P-LAKT .5 1 4 .A SB E ST O S DUST__M EA SU R EM EN T S * > * * * * f r * * * * .< CONTACI NANI-NANE. DEPT. ... .PROCESS. ... NO. OR UNIT * * * *+ + * > * * * * * * * * * # * * * * * * * * * * * AT JD B _SAK* CLASS TOTL CODE TIME AT R C0NC ____ C L & / 2 B /J5 .._JP_A.&E fl-HDUR T.W.A. CONC. EXPOSURE STANDARD RESP ASBESTOS 327 000 S I N CHEM C S3EJTQ5 ._______ 3 2 7 0 0 0 ,,.MAIN. CHE C A$S ESTQS 32700C MAINTENANCE asbestos 3270SC MAINTENANCE Ai EE i XI S___ ________ 127253. . MAIN IESLA N.C.E. asbestos 3Z7C0 MAINT ENANCE ASBESTOS 3Z7-:oo MAINTENANCE ASILES TDS___ _______ J 2 7 C 5 0 JU. I NTENANCE SBEiTCS 327C-3C MAINTENANCE S655TOS 3 2 7 0 0 0 MAINTENANCE s.SSESJQS___ _______ 3.27 QCQ KATNT.EXANE.E ASEE5 T0S 3Z70C0 MAINTENANCE 1SS: , r : 3 2 7 : : ; MAINTENANCE iSSES.TCS. .. _____.3. 273 OC MAINTENANCE i S= >TG S 5 2 7 C30 MAINTENANCE S$3 E iTCS 32730C MAINT EhANCE IS3SJ,,T0S_. . . _ . 327G30 ..MAINTE NANCE ASBESTOS 327C0C MA INT ENANCE c ASBESTOS 3 Z 7 0 0 0 MAINTENANCE o SB.EST.C-S___ _______ 32 7 3 0 C .MA.INTf.NA.NCE n S6EST0S 3 2 7 0 3 3 MAINT ENANCE o ASBSS TGS 3 2 7 0 0 3 MAINTENANCE ASBESTOS _ ..__ . . 3 . 2 7 5 : 0 . MAINTENANCE.. SBE3T0S 3 2 7 0 0 0 MAINTENANCE 1SBS STQ S 327COO MAINTENANCE lS.BEiJ.G5. . 1S3ESTCS ____ 3 2 7 0 0 0 MAINTENANCE 3 2 7 C30 MA I NT ENANCE 1S&El` t ; s 3 2 7 0 0 0 MAINTENANCE .Se E.iJ.PS ...._______ 3 2.7000 MAINTENANCE iS&ESTGS 32.7000 MAINTENANCE >SBE 3 T 3 S 3 2 7 0 0 G MAINTENANCE VSB.E-5J 5 S. .. _ ____327 000. MAINTENANCE iSBESTCS 3 2 7 0 0 0 MAINTENANCE iSEESTGS 3 2 7 C0 0 MAINTENANCE . SBe5 TCS J27C OC MAINTENANCE : SH.ES7CS 3 2 7 0 0 0 MA INT ENANCE SBESTGS 3 2 7 C0 C MAINTENANCE i SBESTCS ; e zt e r t r . . . 3.27500 MAINTENANCE a -> 7 r . " y? T VIT CKt Ak ir C SBE5T CS SBE. ; Ti. 5. .. . . SBESTCS .ses : t - s SSEJT.G.S. Ss > r - i S&ESTCS .S3;i Tr S >SB ES T 0 S . S&EST 3 S 3 2 7 OOC _____ 3 2 7 OO 3-7200 3 27 C0C _ .. 5 1 7 * j v 327::: 32 ? 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HQZ HQZ HCZ HQZ HQZ HQZ HOZ HQZ H 3Z HQZ 55 .2550 .500 . 5 5 . . . .... . ...1520______ _________________ . 5 0 0 45 1.9000 2.000 45 1.0600 2.000 45 ... 2 . 2.800 . ... ,, 2 . 0 0 0 25 1.7100 2.000 7 3.9000 2.000 .. .. 7 30 16 ____ J.. 0 5 H Q . ...... 1.2000 .7 A00 2.000 2.000 . . J O . .. _____ . 5 7 0 0 . __ . 30 .5 AOO 2.000 2.000 1 2 -A300 . . 1 2 . ... ..... 3 4 0 . 0 ..... 10 -7A00 10 .2900 .13 3.6300 13 6.1200 45 3.6030 2.000 . 2.000 2.000 2.000 2.000 2.000 .500 . . .8 ........... , 9 . 2 1 0 ,, . 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