Document 0gbxZ0w0EqQ0NQ5baKGqRq9Ox

E. I. du Pont pe Nemours & Company Wilmington. Delaware issm ENGINEERING OEPARTMCMT J. C. JENKINS, JR. ` ' firown**" ' JV C.. Lang R. K. Mason R. L. Spitz W. C. Weaver C. J. Lawrence, Jr. F. H. Fowler W. J. Poffenbaugh, Jr. W. M. Uhrich Safety Supervisors FIELD PROJECT MANAGERS December 22, 1971 R. 0. STERNBERGER, BEAUMONT W. D. THOMASON,JR., BREVARD . E. F. MC SPADDEN, CAPE FEAR C. -S-. ANDERSON, CHAMBERS WKS. E. M. VASS, CORPUS CHRISTI J. A. CASSIDY,RESIDENT ENGR., DU PONT, WASH. W. S. BRIGGS, FAYETTEVILLE J. K. ADDISON, FLORENCE S. V. HINSON, HOUSTON A. D. DAY, JOHNSONVILLE J. T. CHESSER,JR., KINSTON C. H. FOSTER, CONTROL SUPT., LONOKE H. S. STANTON,JR.,LOUISVILLE M. L. FARRAR, RESIDENT ENGR., LOUVTERS WORKS R. A. MINIARD, MAY A. S. TRUMPORE,JR., MEMPHIS J. R. FARMER,JR.,NIA. FALLS A. F. MC ELWEE, -RESIDENT ENGR., NO. NEW JERSEY AREA W. G. RANSON, OLD HICKORY W. C. MANNEAR, PONTCHARTRAIN J. T. WALLACE, SABINE RIVER A. M. SCHERFFIUS,JR.,SAVANNAH M. F. GILMORE,JR.,RESIDENT ENGR., SPRUANCE E. K. DRAWDY, TECUMSEH T. F. JACKSON, RESIDENT ENGR., TROY, MICHIGAN J. H. BUDD, JR., VICTORIA H. F. REDMILE, WASHINGTON WKS. R. J. HAM, WILMINGTON AREA E. C. BROOK,SR., RESIDENT ENGR., . WURTLAND J. J. BELL - LOUVIERS 1284 OSHA - ASBESTOS' REGULATIONS Attached is text of recent "emergency" regulations issued regard ing asbestos exposure. The basic change is reduction of TLV from 12 fibers greater than 5 microns in length per milliliter to ' A*1 5 fibers per milliliter. Those sites which have submitted samples YA recently are in compliance. ..c-'-'V..p The standard als-o requires: Engineered control of asbestos concentration A -v t 1 Respiratory protection REQUIRED if concentration exceeds certain limits^5^ /Mill/ > )J- t'-'* Asbestos cements, coatings, grouts mixed in closed con tainers Disposal of waste in sealed containers Cleanup by vacuum, not dry sweeping DUP 0503373 DU 002580 Page 2, December 22, 1971 Field Project Managers In view of the above, we suggest: Review of exhaust systems, cleanup procedures, and general handling of asbestos Selection of respiratory protection meeting Bureau of Mines Schedule 21B and instructing personnel in its proper use Regular sampling of asbestos exposure _ Substitution of non-asbestos bearing materials as they be come available (refer W. M. Uhrich's letter 12/6/71) Please refer any questions to the writer. CONSTRUCTION DIVISION '` . IZ:jad V Attach. Ihgo Zeise 1 Asst. Division Safety Engineer I `" I DUP 0503374 DU 002581 -- RULES AND REGULATIONS 23207' '- .' i i. To be a valid assay, the percent column. requisite to providing for Its certification Signed *t Washington, D.C,, this 2d recovery .should be 100 2 percent: have been complied with mid since not day of December 1971. 16' liU-ntitv. Proceed ns dlrrctcd In t m.r.:: of this chniitcr, using a 0.5 rer> ct v polnwHim bromide disc prepared as ilcrerlbcd In imrncniph (b)(1) of that delaying in so providing Is tn the public interest, notice and public procedure ant delayed ell relive date are not prerequi sites to this piomul'iatlon. G. C. Gupffllire. Assistant Secretary ot Labor. |Fit Doe.71-17838 Filed 12-f-7t:S:47 m| fccV.cn, m Cnisir.ntnUi. Proceed a* directed la. 2 141.591 (it) of tills chapter. Effective ilatc. nils order shall be ef fective upon publication In tlio Fcomal Recistcs 112-7-71). Chapter XVII--Occupational Sorely and Health Administration, De i 1."Ol.lt Minocycline litilrocliloride rapulc*. fa) P.rtiulnnncnts tor crrttflcatian-- (!) Standards of trtmtlfti, strength, oreitlv, amt purify. Minocycline bydrochlotlde capsules are eominwxl o( mlno- (See. SOT, so Stst. tea,as tmanded; 31 VS.C. 557) ' Dated: November 31, 1971. H. R Simmons, Director, Bureau of Drugs. partment of l9&or PART 1910--OCCUPATIONAL SAFETY ANOjHEAlTH STANDARDS Emorgency\J|andard for Exposure to Asbestos Dust ryclluo hyiliochlorlrte and one nr more ITR Doc.71-17773 Hied 12-3-71,S:3 am | . suitable ni.rl hnrm'cas MlinssitiP: and dll- ' . vnl.s f.u la-id m n lu-J.itm ruiiMile. K.ncli :-i. b.sulr; emu.him minocycline hydro* , '-`H: equivalent to lOo milli'rnms ot TitfB 29--LABOR 'i.i.'.-uyrllne. XL* nolcncy l* satisfactory 1! It is col less thnn 90 percent and not Chapter Xllt--Bureau oi labor more Hum 115 percent of the number of Standards, Deportment of Lobar milligrams of minocycline that It Is rep* resented to contain. Its moisture content PART 1518--SAFETY AND HEALTH Is not more lh:ui 12 percent. The mino REGULATIONS FOR CONSTRUCTION cycline hydrochloride used conform* to the standards proscribed by I 150*.1(a) (1). Standard for Exposure to Asbestos Dust (2) Labeling. It shall be labeled In ac cordance with the requirement* of 1141.3 of this chapter. (3) Rcawsts tor eertlflcatIon: sam ples. In addition to complying with the , - requirements ot i 140.2 of tin* chapter, ? each suely request (hall contain: (1) Results ot tests and assays on: (a) The minocycline hydrochloride . , wed In making the botch (or potency, safety, moisture, pH, minocycline con tent. Identity, and crystallinity. (t The batch for potency and moisture, Pursuant to section 4(b)(3) of th WUltnms-StoIter Occupational safety and Health Act of 1970 (S4 Etat. 1593. 29 U.S.C. 353). i 1518.55 of Title 39, Cod* of Federal Regulations, Is hereby amended in the manner indicated bolow In order to prescribe a new stand ard limiting the exposure of workers to asbestos dust. The new standard limit ing the exposure of employees to asbes tos dmt 1* that adopted under section 0<e> of the WUllams-stetrer occupa tional Safety and Health Act of 1970 and published In the Fxdssal Rromra (11) Samples required: oti this date. The standard Is hereby de (a) The minocycline hydrochloride termined to ba more effective than that used In making the batch: 10 packages, presently provided under 11513.33 to each containing approximately 300 the extent that it prescribes minimum milligram*. iavals of exposure to oabesto* dust, (b) The batch: A minimum ot 30 capsules. Therefore, by operation ef section 4(b) (2) of tlie Act tha new standard lasued (b) Test* end methods ot artsy__tV> Potency. Proceed as directed la f Hi.ill of tills chapter, preparing tha sample under section 3(e) supersede* the con struction safety standard relating to ex posure to asbestos dust. for assay as follows: Place a represent*. Section 1513.55 Is hereby amended by -tive uumber of capsule* into a hlgti-SpecC adding a new paragraph it) thereto. As . glass blender inf wiiAiuWeioot jay amended 11518AS reads t* follows: Pursunnt to section O'c) of the Wllllams-Stelgcr Occupational S.alcly nml Health Aet of 1970 184 Stfit. 1695. 20 XJH.C. 055), l'art 1910 of Title 29. Code of Federal RcgulMlons (30 PR. io-Mhs. Way 29. I97t) Is hereby nmimdrd In tlie manner indicated below In order to pro vide an emergency standard demine v.Ui the exposure of employees to asbestos dart. In light of Increasing information on the results of exposure of employees, to alrbomo asbestos dust. Including recent studies by the National Institute fer Oc cupational Safety and Hcaitiinnd others, and recommendations by tab American. Conference of Oovcrnmentii! Indu.<trtal Hygienists (ACGfH), it Is hereby deter mined that (1) exposure under the pres ent standard for asbestos dust in Table 0-3, i 1910.93. of 12 fibers nor milliliter 3 microns In .leni-th-nr !!. oral standard promulgated under the Wolah-Ifealey Public Comriwtr Act on May 20,1069, constitutes s grave danger to employees exposed to this e-lmur time-weighted avenire concentration: and that (2) an emergency standard is necessary to protect employees from this excessive exposure. Tho National Insti tute for occupational Safety and Health concurs that the proposed chance in the asbestos dust standard recommended by tlie American Conference of Governmen tal Industrial Hygienists should be tne substantial base lor the emergency standard. Action concerning the standard will be commenced under section C'bi in the hydrochloric acid to flVeSTstockyOlittSltv. | 1511.63 Cun, vapors, fumes, dustt, of convenient concentration' containing' not less Uinn. 150 mtenwromr.of'htineF.'- amitmills. cycllne per mUllUtcr <e*tlma{ed>. mend, lor 3 to 5 minutes. Renrovi oh ohq&t snd further dilute with OTlif jvstasdum phosphate butter. pH 4.5 (solution 4). to the reference concentration of 0.100 <o> Pamgiaphs (a) and (b) of this sec tion do not apply to tho exposure of em ployees to airborne asbestos dust, when ever any employee is exposed to airborne mlrrogram of mlnocyelw* per milliliter asbestos dust, tha requirements of (estimated). 1 191093a ot this title shall apply. Immediate future. Any nonce of pro posed rulemaking under section dbi will give notice of the emergency standard os t proposed rule and aho of nnv on. propriate subsidiary proposal; w iitc l: nmv be required under stipparaerapi:; ill .v.ia <T) of section 6ib) relating to the ex posure of employees to toxic subsi-.nres. Port 1910 Is amended as follow.': 1. Table G-3 following (1910.93 < hit (2) Moisture. Proceed as directed la 1 141.503 ot this chapter. Data supplied by the manufacturer concerning tha subject antiblotle have been evaluated, sine# the conditions pre- Egectiae date. This amendment shall beoome effective upon publication tn the Fresou. Rxcistti (13-7-71). (Bo*. 4(b) (71. S4 Stst. Isee. 30 0.8,0. SSS: oaoretarrs Order Ho. 13-71. S3 EA. *754) FJR. 15104. Aug. 13, 1971) Is hereby amended by deleting tho fallowing: Asbestos--13 ftbar* ow trimmer grtsirr lima S microas la laorta or.; ilnoef. ,Trtxnouw....... ...... s Mppcf. % 310 No. 135--* RDtSAl IfOISTU, VOU 34, NO. JJ4--TUfJOAV, DICEMIIt T, 1*71 DUP 0503375 DU 002582 3na RULES AND REGULATIONS V' C) ) Ax amended. Table 0-4 reads as be used to meet the exposure limit., pre- comply with the requirements of these follows: er.ribcd in parasrr.ph fai of this section. subparagraphs relating to the operations Tins 0-3--Montsu Own Where such engineering methods are not involved. The requirements of this para feasible, or do net otherwise reduce the graph are In addition to those prescribed suimurm Mpw<> Ufflit concentrations below those prescribed in in paragraph (b) of this section. poracraph fa) of this section, respira (2) AU hand- or power-operated tools. flliltrrv%unim: go&ru tmplrttife).. tory protective devices shall be provided which produce asbestos dawsud rS3, but and used in accordance with parsfriph not limited to, saws, scorers, abrasive 81 Wa|/Mf <e> of this section. wheels, and drills shall be provided with Quirt* (Wfto 4*4)., %..n..o..t.+..$.. 3!V>>c+W3 (cHli in When the limits of exPuie_to asbestos dust prescribed' in local exhaust ventilation and dust col lectors In accordance with the AmeTIWn rnMoh**!#* OwHtfi* ' QSiOrft paragraph '('aT'onhis section are ex. ceedod and when engineering controls National Standard Fundamentals Goveming the Design and Operation of Local *(1* aMrulMM fom Ot# r>uiit ur rnut< fanuuU* tor 1 n-lriUr#: TV H 0* rtott* r u* utomt faun Ut lor* itm! * far 4Um. AnirHttM. ntofafa dtAtuiuai-*um Mnk............... required by paragraph tbi of this section Exhaust Systems: ANSI Z9.2--1971. are not feasible or do not otherwise re (3) Employees exposed to the spraying duce the concentration of asbestos dust of asbestos or the demolition of pipes, below those prescribed !u paragraph fa) structures, or equipment covered or in 38 of this section, the employer shall re fancAl* quire the use of respiratory protecUve de sulated with asbestos shall be provided with respiratory protective devices in r^Qt <w*lh*n cry* u'hMlrnnl*.|*eu*.v.l..m....*..i..:................................................................ IVrMftr*! phim*M............ Cnufclt# <fumrwD.............................. ( <W duet (r#t*rhk fnrtfaa . y* (ft** *% 3> A fa n fa .... L4*/U Tar turn* Uiu ICv XOi..................~.......... vices. The-selection of respiratoty accordance with paragraph (c> (4) of protective devices shall be limited to tills section. tlioee specified in the remaining subparagraplu, of this paragraph (el. (U) Hie cmploj'er shall require that each employee test his respiratory pro tective device before each uxe in order /"" (e> Asbestos cement, mortar, confines, (grout, and plaster shall be mixed in I closed bags or other containers. " (f i Asbestos waste and scrap shall be to insure a proper fit according to the collected and disposed of In scaled bogs manufacturer's instructions. The em or other containers. ployer shall further provide for effective 3(g> All cleanup of asbestos dust and Iiwft at Sabine* l>ud; ....... M training or supervision of employees In blowing shall be performed by vacuum the testing of respiratory protective de cleaners. No dry swoopind.shall be per Truidart.. ................................... fattin^Mi vices for fit before their use. formed. _ (3) For an atmosphere containing not ^3. Section 1910.13 is amended by New CMN*rkn fcrtot*-- imrtlrW farnfaton*tor lurticWc faff*. MU',ton* at pa#tk*tr* far mMr tmt at tor, b*4 Ml liQWnfvr nmnuto hr tfahtdMi tMinfa*. r T h* prr.NHKnifrt at rrvMJiba* riHc* hi tfw fanwat* H i\\* aiuouni d- imninnl fmm toMnnw nmifrH, n. rrmui Uitwi* ItManrrt to hlHi Mbrr akHbMfahav* iltAwo ( (* aw*** iU*. i A* by tUr *i 'rnlir--r Mt*r hkrthad M OtYtftM* AWttMt vutfmiMstfmii. it.Kh ev.no, ittnufanand n+vrat qum far tk* trnlV r.*iV*n ol ihV ytoii iretnhe 4*t#nto*4 from tfct It**!km more than 39 fibers per milliliter greater than 8 microns in length over an ff-Hour average, or more than 80 fibers per milli liter over any period of 18 minutes, a reusable orstngle-uxe filter type respira tor, oiieratlng with negative pressure during the inhalation phase of breathing, approved by the US. Bureau of Mines under the provisions of 30 cm Fart It (Bureau of Mines Schedule 313), or a changing paragraph <a) In order to apply the emergency standard prescribed tn the new 11910.33a. which Is published In this document, to construction work widen is subject to the Act. The amendment Is necessary In light of the rule of regula tory construction set forth In 1 1910.5'c'. As amended. 11910.13 reads as follows: | 1910.12 Caiulruetion wurk. (iivihC a Har-*kn iat will* Ui* hMfaVrt#ltrc valveless respirator providing equivalent (1(1) Adoption and extension of es protection, shall be used. tablished tatety and health standards Atuffrend*yiuaifa dUm*t<T r*eeir*kdpamratt* (3) For an atmosphere containing not /or construction. The standards pre more than 250 fibers per mlUlUer greater scribed by Part 1518 of this title and in than S microns tn length over an f-hour effect on April 28. 1971. arc adapted as faU9IItt fJTfataft average, or more thin 809 fibers per milliliter over any period of is minutes, a powered filter positive pressure res pirator approved by the UB. Bureau of occupational safety or health standards under ssetlon 8(a) of the Act and shall apply, according to tho provisions thereof, to every employment and piaro' Mints under the previsions of 30 CTO of employment of every employee -. Th* ijirwawm omttr thl< MW rrfar t* tit* am to Part it (Bureau of Mines Sehedule'31B> ' A Hi; tntnim*m. |( th* r^ntkmj* fanotwm *Tm duMHUttAam^lv".K^rkritH^^KTItutttiitiSyglvnrvt inrr' * A IW iieioCilvii'added 1910. the newtlttOJ?*. reads as follows: %~$asA-', u jfe: shall be used,. <t) For an atmosphere containing more titan 280 fibers per milliliter greater than 8 microns in length over an t-hour average a type c positive pres sure supplied-nir respirator approved by | 1910.93* ^'V^vTO. '> The t-hour tUtw-weCMed''awiage airborne concentration of asbestos fliut to which employees are exposed altnll not exceed 5 fibers per milliliter greater than 5 microns in length, as de termined by the membranee filter the UB. Bureau of Mines under the pro vision, of 30 cm Part 13 iBureau of Mine* Schedule 198) shall be used. <51 Tile employer shall establish a respirator program In accordance with the requirements of American National Standard Practice for Respiratory Pro tection 188.2--190t. method at too--isox magnification t4 millimeter obipctlvei phase contrast llluminntion. ConrcntroUans above s fibers per milliliter but. not to exceed 10 fiber, per milliliter, may be permitted up to a total of is minutes In an hour far up to S hours tn an t-hour day. 'bl Rmrtnecrine methods, such as but not limited to, enclosure, vacuum sweep (8) The respirator* provided each em ployee shall be properly Inspected, cleaned, repaired and stored. (d) <t) Wlicn an employer has. em ployees who arc exposed to asbestos dust exceeding the limits prwcrlbed In para graph i a) of this section and the ex posure results from the operations de scribed tn the remaining subparagraphs ing, and local exhaust venUmtaaTshaU of this paragraph (d), th employer shall gastd in construction work. F.icii cm-., player shall protect the employment dpet places of employment of each or his employees engaged In construction work by complying with the appropriate standards prescribed by tills parnaraph. (31 The standards prescrilicd In i 1518.58(e) of this title shall apply in the ease of tho exposure of anv em ploye* in construction work to airborne asbestos dust. effective date. These amendments shall become effective Immediately upon publication In tlie Feoeial RxcrsTcit <13-7-71). (Sm. (o). s stmt. 1590. so O.S.C. oss; sec retary's Ordsr No. 12-71,30 pn. rvm i Signed at Washington, D.C., this 2d day of December 1071. G.C. GurxniM, Attiltant Secretary o/ Labor. ira Poo.11-17833 riled 12-8-71.8:47 am| f*0*At MCISTH, VOL 31, NO, 234--TUHOAV, SiCIMStl 7, 1,71 DUP 0503376 c <//->i'j d/TT') r??,j/r` DU 002583