Document EdEOb8dJJyRYn4mQOOGBZZwVx

CC: t. C. Schallar-Enp. Rsl.-Wila. 0. J. Batter - Ctat. Res. - xp. ata &. V. Calhoun - Tax. Plb - Seaiord PI C. 1. OU Pont DC Nkmoums S Company J. T. Cavanaugh-Pignonts-Edsa Moor ?: T. g. Dlneea - Slehea - Wilmington K. B. Hall - Design 1. B. Whltaksr-Plastles-Tleterla Pit. H. Lowls-Exploaivea-Carney's Point V. T. Muneastsr - Blanches - Wilaiagt . S. Parson-Crehaa-Chaabsrs Works V. H. Thompson - T k f - Parlin Plant P. A. Palmer - BSD Z. Zalaa - Construction Safer to Barial Lattar 4013 Dated November I, 1971 Daeaaber 20, 1971 TO: 0. 0. V3R030B - CHAZAKIN - BMP. ML. - VZLXZXCTOM PBQK: 0. N. XSXXDtOOl - 3TASDASDS STAB DAIDS 5ECTI - 3A7X7T t PIM PXOTZCTZCH SUBCQIMZTTSB S4T - KEA5B1EMEMT ABO COfT&OL Of A38S3T03 DOST BXP03BAS Our request to tha Bagineering Standards Coaaittaa for approval of tba abort standard has brought tha following eoaaanta: a_PPBQ7AI4: H. B. tatoa. Blasebaa; J. C. Breckenridge, lap. Bal.; K. K. Kohl, T k T; C. W. Andrus, Xataraatlonal; 1. H. MeConaall, Pigments; 1. V. loach, Purchasing NO MPLItS TO OATKi X. S. tobhlna, Control nosaareh; . R. Daria. "^"`fllEKSS c. s< Mllmr. ill 4 IB; c. D. Srown, Construction; P. J. Ksrtia, BSD; V. B. Isff, fila; X. V. Dahl, Plasties; K. H. Cruas, laaingtoa Aras ESBB. ...H9I I. F. Stewart, Dosign; J. P. (3PKMEENTS ANP/OK 3POCB3TIOBS: ... .. KIDES, JR,, comam IT J, P1VL03KT/B. FISHES - EIPLO. - KPATWO alts. ana not limited to dust asbestos? Maar insulations contain no asbestos but art dusty and fibrous. toxic, can cause silicosis Insulations containing silica, and chrenie lung dlsssss. although lets, 242 n^PAKEKT NO. 2 - In paragraph 2.2, spray asbestos for Insulation and fire^Jproofinf should ba added as this la discharged dlractly fron a boat to tba ataosphara. Contractors sometimes do this work at Plant altaa and adequate isolation of the area la advlstbla. ^">iSpV. sA. sPAmR_MA_N_f. sC-OnMWMEiBrlNTl TSproBbT aJb.lyAh. aPveLATtToMAinBWcor-poI raA te1 - GSAdSSIXI PLANT sons or this into Plant Safaety Innssttrruuection.- i.sC/7 Vr 2 BUP 0901810 S.l. 4013 ll/t/71 3 Dsesstesr 20, 1971 fai- t.Hnt In* nor# spec 3.2 an follow*: "Cloth** aust b# k*pt fr** of conttslnatad with dust hn ho T.rmim-r--? nd olantitalnfsioiito* dust whon raaovin* cloth* e t thl* point is desirable Jk. 32CMAH. ieoMons rr w___ il'iiaUMaj.'Lug------ 3.1.2 - Ob7 FIB. - SEAPOBD PLAHT T HO. 17 3.1.3 - Include vacuus or respiratory protection. Shoula >\dons only if saapls analysts so Indicats SOWOtT HO. 18 3.1.3 - Do aot ^rti - Us* of vacuus cleaner to elan up /workbench.us* of plastic bac okay, but quastloa value of wetting ba* class dona continually. This is aot practleal. /OWEHT KO. 19 - 3.2.1 - tac< md us* of respirator with or without /xnauat systca. - 3.2.3 Asa portable raeuta elsaaars ara aecaptabla. B0.21 - 3.3.1. - tty aot sllalaato uso of asbestos canantY Dsa >rapar House cawsat, which eoatalas ao asbestos. *0HMMT >0. 22 - 3.4.1 - Do aot rocotnad watting down, Do recoaBoad racuua oeforo roaoval sad for job elaaaup. 23. - 5.2 - Zataat good - but how aad to what exteat7 - Add - tdcra dust prablaa exists. (3.3) T BO, 25-A.1.1-PuH #** shift not necessary - oaa hour la suffleiant. __________0__HA3-daL,,CWW0*Wy._W___T n it 1. igtcw . Tg. FTP. - m*n3ra.u plant jWsKt NO. 2b . fc.1.1 ? Question seed for stapling each operation for a Kuli ahour shift aoathly. *sny operatloaa aro aot continuous and 8-hour saapllax Is lapraetleal. Also, stapling eaa shew that TLT Halts have never baaa azeaadad la a pdrtloular operation. Sana saaplas should b* taxon oathly othsrs saal-aaaually or annually. A. SICMAW. CCHHMT3 it P. T. PHILTAb - TEX. PIB. - WATKESBCllO PLANT uwwmT nd. k7 - 3.1.1 - Asoastos dust doss not aracinitst* readily in cycion* coiioetors. A bac filter for asbestos dusts should be required. HT WO. 28 - 5.3 - Adhsreaea to this Itan will croate problena.-in chat ernata facilities nust be provided which will result la lost sine frore Job. Onleas there Is a clear asad for this Itan, It should be deleted. SIOKMt, CCWPITB BT J. n. WAltTlM - TEC. PIB. - CCHTAATTTTANOOGA PLANT T)iu, ZS- Sot nacaaaarr to iaoiate aowarcuttlnFTaaquipaant in a to worn arts If adaquats exhaust aystaa Is provided. DUP 0901812 dsC? S.l. 4013 11/8/71 -4- Oieutir 20, 1971 C./ICOWEWT WO. 30 - Met neeeseary to wet insulation whan emptying cyclone if \^/discharges late a plastic bag aad seeled. fOHCHT MO..31 - Prefer to wear protectire equipment whoa stripping 'Qy insulation rather than vetting ao that insulation ean be reused. ^CycSHfeMT wo. 32 . Question neeesalty of extensive dally elean-up; good u jj^geoent should be exsreised for frequency of eleaa*up. OH WO. 33 - Asbestos-cement should be avoided whenever possible. ^L,Ji5Ig>w,t COM!g?g3 n * Mtinnto - ttx. ti. - lcnarcM h.akt(piuapp. 3^ ~ is general. wo cellars tnat hns~*eiEanflaro la basically sut unrealistic. Ve would, at best, require a major aodlfleatlon our equipment and procedures to eoaply. 8T8Q. 33 - 3.1.2 - Insulation is lifted free boxes and cartons put asn auapeter. MO. 36 - Neither vacuum or seek are believed to be aecesssry.(3.1.3 ^wswT.t|0,i37 * Wouli' like to know where to purchase and what type of insulation is available. We cannot aeeept Daibeatoa. (3.1.4) yjjCOMMENT NO. 38 - 3.1.5 - Ve are not using a plastic bag or wetting the --> scrap becauseof slipping hasards aad housekeeping problems that would be created. Ve frequently brush waseo froa table top into paper drua for disposal bad do net allow aeeuatulatloas to build up. COffEHT MO. 30 - J.t.l - Our eawe are not Isolated, but we have not been y above the the dust xtw la our tosto. is not wot down. Our exhaust systsa perferas very well; however, Adjacent carpenter shop's outside exhaust system is tied into same ayetea. Contents froa cyeloae drop into elosad duapator. woaa fibers are lost in cyeloae air exhaust outside of the building. jCOMHENT NO. 40 - 3.2.3 - The lodges, lights, inside of storage bins are .^eieanea on a weekly schedule. Other parts of work area are cleaned dally or aore frequently. 1 L/uOHCNT MO. 4^ 3.2.4. - Vo ore using Kins safety air aaapling pump with w ln* fliliipore filter typo Aerosol Cot. # MAVC037A0 pore olsa pump la battery powered. The _ 3*3.1 - Wo are using Xagle-Piekar Super 66 which conforms Standard C.S. 117*49 issued by U.3.D.C. C3HgMT.N0. 43 - 3.3.2 * Would like to qe purenaaoa. tMrtjpe of cement could \CSHCNT NO. 44 - 3.4.1 - Impractical; would create a slipping hazard. Mss. sapoaaibi# to protect elaetrlcal equlpaont. There la little llkllhood that / tala would be dene unless a west elaborate and unusual precautionary proeedure was followed. DUP 0901813 t% ca> S.t. 4013 11/1/71 -5- December 20, 1971 QfOWmpO, M . 3.4.2 - Wo or* barricading th* work ara* to k**p pee pit out.a certain aaount of duat Inevitably drift* outsldo of th* roped off OReloaura. Infrequent large removals have erootod considerable dust at .tinea. & OMCHT WO. 46 - 3.4.3 - Wo or* putting our scrap insulation in box** and cans out net wotting It down, nor do w* bailor* It necessary to do so. 2WENT.. SO, 47 - 4.1.1 - V* do ut believe this la a*e*soary, but th* firoraaticn is pp**rtl'a*nt. r'^NCewewT SO. 48 - 5.2 - th* men w*or coveralls wh*n working; however, nothir V V Vis biag don* to k**p then fr** of duat other than 0 brushing off froa --'tin* go tin*. Th* statement is aabiguous. (W0T 20. 49 - ^.3 - W* hav* not insisted on this. Practical enforcejt Taquoatlonabl*. ftPCST MO. 30 - 6.1.1 - V* art taking 2-elght-hour samples Monthly as a SSipk andTfor historical fil*. :o<ist so. 51 - 6.1.3..- Saaplt* srs sent te Fell* Stain, Department of :cupatlonal Health, University of Pittsburgh. . k. 3IGXAS. COMMENTS ST k. PUTSCH - tlXTlI* KISERS . DEHTROP WORKS ftBEffHTC. jg'vTlVltaidaEnrlif ahouia*he lyoengafnllv to tfi* ,l*t*st threshold Unit value* (TLT's) or to th* Units of 0*rnan - authorities (Staubforachuagalnatltut). /TTtowctrr wo. 53 - 2.4 - Sanpl* for asbstos fiber snalysls nay b* obtained --'by using an Instrument as it Is used by Oersan authorities (Staubforschungsinstltut), l.g. Konlmotor. \bW--E--H--'T SO. 34 - 3.1.5, 3*6.1 * Design of proposed work table is seqquulirred. QWEST SO 55 - 3.1.5, 3.4.1 - Dust should be eliminated through vacuum 'v ^ywyatem. watting aaame not to bo auccoaaful becauaa fine dust cannot ba absorbed through water and will reduce the affect of the eyelona. CQM>CS? SO^ 5^. 3.2.1. 3.4.1- Working are* should have a little vacuun tha adjointed araaa free of dust. : yjCOWEHT SO. 57 3.2.1, 3.4.1 Exhaust system should hero provision of ' xaaping work place free of dust. COMMENT SO. jg - 3*2.1, 3.4.1 - Dust should set be wetted (aaa 3.1.5). v. <>uat collecting bag should ba closed and thrown away. Vacuum systasi should be designed for using one-way-bags. DUf 0901814 L$C// S.l. 1013 ll/t/71 -6- Decanter 20, 1971 f^wVoWCKT KO 89 - 3,3.2 - lot possible because the whole quantity cannot v_^/oa use*da at any tins. HT MO. 60 - 3.4.1 - Insulation will ba uaad nore than ona tlaa. Wat ation cannot ha uaad. Insulation with finish la watar-roslstant. - --T HO. 61 - 3.4.2 - Which dlaanalon should tha araa have? 'V9MMEH7 WO. 62 - 3.4.3 - Araa should ba elaanad with vacuun ayston. Watar La not ba usad. *W8T KO. 63 - 3*4.5 (law) - If possible transportable work-table with cuua systaa ahould ba usad for werklx^ la tha araas. bOMOPtT 20. 64 - 5.3 - 0 or eatlag-tkbaeco esa ba consusad in working affaa oacausa breath-way will ba kapt wat. lo sacking. la food. ^WEWT 10. 65 - 6.1.1 - Sampling ahould ba earrlad out for a aonthly Mortar tine. N--'offset parallal construction and laprora clarity; bolow In ordor to 3.1.3 - Aabaatoa laaulafilan blacks ahould ba baadlad with eara.. If dust cannot ba raaewad bp vacuun, respiratory protective oqulpaaat aust ba usad. J CKMEMl WT W. H. TH0MP30H .Mf. PAULIX PUMT ________w_o_. 0__7__-__T__a_la___i_s__n_o_t__n_a_c__a_a_a_a__n_.l_v ma_p_o_d_n_e_*________nt on tha Plant i*i in as auch aa this ataadard all! probably faro tha basis for Plant standard Practices or Standard Operating Procedures, which will taka precedence tram than on. Without a standard on this subject. local practises will wary from no protection ta unnecessarily involved protection. This leaks like an excellent guide froo tha Plant standpoint. Thirteen engineering Standards Ceonlttee aoobers advise an estimated total of 150 uses for this standard aa rafaranco par year. kjk OOP 0901815 C/*-- S.L. 4013 11/8/71 - 2- January 7, 1972 . .. 3.2.2 - "An adequate exhaust system" should b defined, z(S g mniaai exahaiust rat* par far. should bs specified. Our experience showed < /Wti, despite exhaust fans sad no appearance of dustiness, the threshold ' H11aallet Vvaftluluet mwais still exceeded. Suitable protaeeioa la not defined. Con* Isidaratloa should ba given to axposura of ethar people la tha work araa. W/COMMENT MO. 76 - 3.2.3 ^ruia. do not sweep. Avoid Sweeping" - this should ba a positive WOT NO. 77 - Air aanpllng will not eontrol dust. Air saaplas --ouj.a oa taken to document tha adequacy of controls. (3.2.4) i~vCOMMENT MO. 78 - 3.3.3 - Xespiretory protectire equipment should ba \tpra waaa disposing oX old asbestos eeasat. NO, 79 - 3.A*2 - Specify suitable respiratory protection. MWi ENT NO. 80 - 3.4.4 - Va hare found no plant or governmental regulions govorning the disposal of aabastos. NCOMMENT NO. >1 - 4.1 - This rule really say* always wear respiratory nrotection whan handling aabastos. Saaplas are sent away for analysis aiyd results are known long after the Xact - too long Xor corrective action. >1OMMENT NO. 82 - 4.1.2 - A reference to U. 3. Bureau of Mines Schedule i-b, rart 14, Subpart i,ltea 14.4, minima efficiency 0.3 aieroa la eeded. Several suppliers of respirators that seat this requirement are: A earn Protection equipment Co. 1201 Hal aaiaaoo atraet American Optical Company SmubrlCi*, Mass. South Haven, Michigan Mine Safety Iquipnnt Co. Braddock, Thomas, and Mead Streets Pittsburgh, Pa. T WO. 83 - 5.1 - Beeoanend addition of: " and should be disinfected tar each use". (See 32H) (X^CcObMwMEi NT NO. 84 - 3.2 - XecosBsnd addition of; wear respirator whan \__ -rSamnoovving dusty clothing*. &CHKENT HO. 85 - 6.1 - Suggest clarification of this stataaent. neeommsna saa(lties of: "with a battery-powered personal air aanplar." Suppliers of such sanpiers are: The Mina Safety Xquipnant Conpa.iy and ihq Union Industrial Equipment Company. cci^sxr ho. 86 - 6__.1__._1 - _E_v_a_ luating a eonplete operation la this nanr.sr wiji bo vary tine eonsuning. S__a_a_p_ll_n_g w_i_th m_l_l_li_poro (membrane; paper, orVica equivalent, usually is of short duration (10-15 aln.) because of thAhigh collection affleieney of this paper. Such a procadurs, as dssofibed, night involve taking sany samples for an eight-hour shift for each operation. At 15.00 per sanple Xor analysis, tha coat of chis operation will exeaed the benefits, sines the results of these Analyses art not known for tone tine and any reference to the T1V for ^SC.(*3 DU? 0901817 mim E. I. ou Pont pc Ncmouws & Company W1LMINOTON. OtLAWAftK 1MM MIMMIN KPANTMlaiT L. C. Schaller-Eap.Xel.-Wila. D. J. Beatty-Central Res.-Exp. Sta. J. E. Borden - Plasties - Victoria X. V. Calhoun - Tax. 71b. - Sanford J. T. Cavsnuagh-Plgsents-Edge Moor 7. K. Dinaan Elchea - Wils. H. Lewis-Explos.-Camay's 7c. Dev.lab. V. T. Muneaster-Zlasehea-Chaabers Vks. 7. A. Falser - SSD V. S. Parson - Qrehaa - Chaabars Work* B. J. Scene - Design C. V. Van Ness-Photo Prod.-Towanda 7. H. Whitaker - Design Z. Zeisa - Construction January 7, 1972 MEMORANDUM HO. 2 TO: D. Q. WINDSOR - CHAIRMAN . IMF. XIL. . WILMINGTON FROM: C. I. MARSH - STANDARDS SECTION STANDARDS SECTION - SA7ZTT k FIRE FROTECTZCN SUBCOBGTT1I S4T - MEASUREMENT AND CONTROL OF ASBESTOS DUST EXPOSURE Our request to the Engineering Standards Comalttee for approval of the above standard has brought the following additional eoaaenta. \fe W. DAHL. COMMENT BT C. C. FRINS - FUSTICS'. SABINE RIVER WORKS OMMENT Kb. os - sa would like to nave suggested saapiins equicaent added the standard. /fc CHRI3TT - EU103. - SAVANNAH RIVER lag fibe--rs anda pbaertilculiaetes can <dgiffTfeer.------ S*elude seap'ier approved for aillipore filter. fiber saapliag should be COWENT NO. #eAw * te of vaeuua cleaner and filter should be ci/ied.u 'lelcncy filters, this cleaning operation 11 filter out all particles and fibers, except those in the respirable ctlon. \l6mENT NO. 71 - 3*1*3 - Type of respiratory protection should be /specified. 3 COWENT NO. 72 - 3*1*4 - Glass-coated insulation is satisfactory until the coating is penetrated by cutting blocks. iCQMMENT NO. 73 - 3*1*3 This operation can still produce dust in breathing A5|6ru.etes unless carefully controlled, perhaps or flexible self-sealing slot. a self-closing daaper on-the xtn^SMMENT NO. 74 - 3.2.1 - Experience with cyclone collectors for asbestos , /.indicates they are inefficient and in sons instances cause ataospr.eri: --pollution. 243 DUF 0901816 SC4>?- SiWKSi*ifrolKiiH^E 'sll. i*C13 U/8/71 3 January 7, 1972 thatNwork period will ba meaningless. Such a pro(ran of sampling could/ba satisfactory provldad tha work conditions do not change. Respiratory protection must ba required la all eaaaa where tha degree of^exposure is unknown. COWEKT WO. 87 - 6.1.3 Aabastoa handling la bow recognised aa an extremely sarioua industrial hygiene problem. Analysing aabaatoa samples la /nacaaaary. But tha problaaa In sending aamplea several bundrad sales by sail should ba polntad out and tha lnportanca of eorract handling asphaslsad. Seas of tha problems ara: Transportation of Camples say causa dsnags to tha saapla and poaslblo loss of sanpla; daisy In receiving rasults. This will, probably, ba inevitable with laboratories racairlag many stmft samples. Expensive as It aay appear, tha alternative aay bo to do local aonltorlr.g, use loeal laboratories, or to utilise tha bast engineering and personal protective aeasures available. W. A. FAM1H. COMCHT BT W. T. DOBBS .HI. BETTS sr.m* Cukktr, hu. 6a - 3.u.2 - Believe some exception ahauiff ha made to this requirement permitting aaounta of insulation to ba resoved without respiratory protection. Can a rule-of-thumb quantity be stipu lated which will not result la exposure to higher than permitted TLV? Can incidental removal'of insulation not requiring over 5 to 10 minutes bo oxeoptod? Sixteen lngineering Standards Committee members advise an estimated total of 2*5 uses for this standard as reference per year. kjk DUF 0901818