Document kbx06KvqVO2qL7Zp8anBypJ

FILE NAME Talc TALC DATE 1978-1980 1978-1980 DOC TALC485 DOCUMENT DESCRIPTION Memos by The Navy & M painte et ey wm z as) coe : ere: of = eel ~ * 7 . Navas aia Spredlotte file asbeni asbeni eq xare asbeni asbeni connuarcafi _ . gore an iaaae Spredlotte Spredlotte Spredlotte Spredlotte Spredlotte Spredlotte vesrrvenon racer rears EGULA EGULA EGULA anus sy LEATIFICATION a C3 Unclassified | owt ad o OF anaee erceres qceaserefi ve eee ror 466 185-Set 5100 . wer we , Commender Systers (soa oT3) [o-e) Naval Commender sercl SystersCommand Washington + dgeninng Washington 1. Monage type phrase'ugy = envelope d permamibia ate phrase'ugy permamibia preve corel tpe be bating & address prevpreeve tn yea Poating aaa ; Statue CFFICIAL ac FOR soi aeannnnfi Shipyard Tremolite Island subj: Shipyard Shipyard Statue Statue Statue Statue Statue containing Tremolite _ containing of Mere agines WS fibers Ee SEA 0T13C, ent. Ap Telend teal, between Ref? Ref Patterson Leveque (2) between R. 185 Code e FONECON MAVSHIPYDMAFE R. 185 of HAVSHIPYDMARE June 0730 1978 1978 Pattorer1s6onJune 0730 MAVSHIPYDMAFE and E. Leveque ane Ob yes Code MAVSHIPYDMAFE Encl 1 Report Report containing containing asbestiform asbestiform asbestiform OSA Encl Shipyard Tale used Mare envmerintecer Island Havel Field Information U. Department Department SfFic* Tacs! {1} Field Information Memo 74-92 Safety OSHA eat Litatins During During telephone Mare Island Island Safety ret- reference in facilitating appeared microscopic evaluation Talc a telephone production facilitating facilitating conversation ref- ce Director Director processes 1, erence Safety the erence actions Mare Island NIsalavndaSlhipyard Shipyard Shipyard findings findings reported the and background information Enclosure Treaclite results asbestiform survey enclosure 2 is background background information pertaining to Treaclite and PR taken 2 Actions . Actions pertainirs processes processes facilitating neat (2) as ex, possible contamination . production 2. determine asbestiform contamination nations A noid was pLeced on afore aspes conta 17 Shipyardn + BUED Naval _ al oe s yaaar 19 i Commander CoCommmanmderander grr Hare Naval nyc California = rom * a GomAmESe Telend evo. snivyert aL592 Ware califorab^' yoLleser 185185 eegre & 7 The"eo LE" 72 ^' _ prey 45 REPLY AS Ue z- OR AS UST 4NP cetuR +. RETURN RETURN : - FereccataeOF ted Unclassified an e= ee Reductof iAsboestnos pian et | e qualiqfuailiefiedd replraecpelmaecnetmerneptlacement prodpucts roducts 185 qualified Code qualified - Ser 116-78 1211 1211 Ce 26 June 1978 ce ~ MEMORANDUM - - From Code 185 oo . To . Code 500 Subj Encl Tremolite Talc Containing Asbestos Fibers 1 Naval Spditr from Commander, Mare Island Naval Shipyard- _ to Commander Naval Sea Systems Command of 20 Jun 1978 . 1. Enclosure 1 identified subject in use at Mare Island Naval Shipyard reclaim talc containing asbestos fibers for dis- and procedures taken to , . posal while substituting asbestos talc . 2 Request search of procurement documents and inventory lists to Naval locate subject in supply points Shop Stores at Philadelphia - | eee Shipyard o 7 _ a 3. Notify Code 185 of stocking locations NLT 20 July 1978 '" enol Copy to Code 1346 300 CRM~  : cand meal wwe can tenet emer 1578d 2892.76 2892.76 1578d LABORATORYLABORATORY TESTREQUEST Jun Jun 1578d 1578Tdhres | 12ND MINS 4730/19 REV 5-76 To Laboratory _ Copies Laboratory - , 6-15-28 10were mete ~ so " ee . 2892.278692.76 2892.76 cmmemmmadem DATE 6-15-28 / * Z _ _ 57011 52011 LAR CODE CHEMISTRY ZHS DD BILTALLUNG~IAL aan " 2520/25904 : FLY CONTRACT MO am 6-15-28 Dos - rT MATERIAL TEST CAR COST 1347Y 1344 fp: SACHOCHEMLIASB TCORDEY 81650838 2520/25904 2520/25904 1E481608847 a 2255202/2059/0425904 81650838 : SPECIFICATIONSPECIFICATION 81650838 81650838 81650838 RAN = 1E481608847 . . j " ; CIMEI TECHNICAL POWDERFORMY DESCRIPTION GRADE TECHNICAL NMP 5CLAS SACKS TALC IN 5CLAS MONTANA TECHNICAL RADE . PLATE PLATE 25-38 25-38 | , | MONTANA : a m n o . t CHEMICAL 74 CONFORMANCE CONFORMANCE 10 NA IDENTIFICATION AS OTMER TESTING REQUIRED METALLURGICAL & PHYSICAL . | TENSION i 4 on - ee HARDNESS tered | MACRMO ACRO OTHER SEAMLESS TESTECR ASBESTOS TESTING TEST INSTRUCTIONS ASBESTOS | WIN TSHEET DLA PEIS OTHED NO OF REPRESENTED REPRESENTED + OF SAMPLES ECR ASBESTOS TEST Pre avy Tye NoONaLAaYssStteBteEtdeStaTtulOS ANS | DISPOSITION OF SAMPLESS . 570,1 570,11 570,11 4628 4628 570,11 570,11 PHONE . , 2 02 7 28749 28749 in 207 AT 249 AUG 23 1978 ; Stock 6810 CL799 9893 | Barbone sho sho Barbone UI LB Call sho sho 7 Call RSTICATOR AMA1711 AMA1711 AMA1711 RSTICATOR RSTICATOR RSTICATOR 7 at 4760 bldg 535 any forthis1 502 AUTHINT forthis AUTHINT Lhe ATED,se SF,Lone M. LEW genteTi 000275 C 1840418404 18404 6101C . 9631 7 : S^r55 | From CCoommmmuasnaddeerr NMaavraelISselaanSdyNsetveamls SChipoyamrdmShainpdyard To -- 30 MAY 1979 Manu- Materials Subj Asbestos Content of Magnesium silicate Raw : Used in te me N6519779P090820 NAVSKIPYD Mare " . facture of 24441 Epoxy Coatings Raf a HAVSEC Project Order a en .< 1. It is requested that Mare Island Naval Shipyard wre ; evaluatemagnesium silicate from oo. ae 2. T. Vanderbilt Co. " Nytal 300 era Pfizer Co. Minerals & 20-30 Pigments Mistion Cyprus Tale Co. . Desert Minerals eee | ' | 139139 By Fine 80 OE oe eo asbestos fiber content to deAtletrhomuignhe Major 2 tremolite mineral is | the fiber in asbestos other min ampsite crocidolite anthoplylite and actino- aral fibers are chrysolite if present reported identified also and | liteThese fibers are to be | paragraph tremolistielicate pigments magnesium magnesium with of along one1 shall also be 3. The and chemically In particular oil absorption should evaluated physically used to make reformulated and compared to the material silicate be determined 24441 materials i.a. Pfizer Cp 20-30 funding reference is the scope of of a sn frame effort within we a. . ATANDERSON % - , enamel om Jel el et a a 5 re Lae copy Blind copy to 5 NAVSEA 6101E 6159C 921TH3 a oad. i Prepared by John J. 05D21 Typed by L. Sendejo Hager May 1979 _ oa, | } oe a 109398 tt Scene nrteeee A LS eeR nemnmecnnems 000156 . = plsP ameA n STAraised adi dn eaten damantraomse ' Ma rtm nmmanrntn . , ri . coke eee * a . mat ao ~ =| internal GOTT espondence - , Corespondence - my A als Jelins Jelins Manville me : Internal Internal 4 Correspondence Corespndc one EAC Correspondence Correspondence J fe No Amarino : ee a. , 7 aa 2. Kotim | fiyen f : / ir. 7 7 :. vat La cased Ses ie SE . oe Medical tment has jopar of that Navy Department Department cased Poudrage Medical Medical treatmbat has the use Poudrage the of Poudrage in members forces , Naval ssentially inconsistent between "+ 5 : : ; . Jinons iWmediate arnt ockhe ., This fibrous fibrous component Jinions es CRS component and dose shown to ate ce JiniJoinniosns animal studies of immediate the helioma in publication studies after . Malignant Mesothelioma Chere Chere Arising after os . Mesothelioma Arising Glass Asbestos . 7 . mesotheliomal apparently . apparently mesotheliomal apparently r for angina patient pectoris angina pectoris ' Ry with with . . pathogenic pron pathogenic bacy a pathogenic universal voluminous body aware- produce disease disease i thereafter thereafter thereafter 1 o , . . ee erence ng none 000213 CRMC HT DEPARTMENT OF THE NAVY | MARE ISLANO NAVAL SHIPYARO . VALLEJO CALIFORNIA 94582 4 , IN RIFLY REMER 70 134.05 376 9631 JAN V7 1980 Commander Mare Island Naval Shipyard Commander Naval Sea Systems Command 05D21 Asbestos content of tale suitablfoer use in 24441 paint a NAVSEA ltr 6101C 9631 Ser 55 of 30 May 1979 Encl , 1 Project Proposal Evaluating the Airborne Asbestos Released by Grinding Sanding and Blasting Asbestos Containing Paints 1. Reference a requested Mare Island Naval Shipyard to examine four tals for asbestos content and for comparability to the Pfizer Microtalc Cp 20-30 talc used to make reformulated 24441 paints of 20 The asbestos content the talcs was determined by microscopic analy- sis using dispersion staining The oil absorptions are based on data reported by the National Paint and Coatings Association and by the talc suppliers The oil absorptions were determined according to ASTM 281 + which has a reproducibility of 25 The results are as follows Source oo Oil Absorption | Asbestos Content Cyprus Mistron 139 ; 33 Slight amount of fibrovs tremolite in one of tzo samples Desert Minerals Talc Co. Fine 80 ae Pfizer Microtalc CP 20-30 36 . 29 . Large amou of n fit bros us tremolite present _ Slight amount of tremolite in one samples tested fibrous of two R. .. Vanderbilt Nytal 300 29 Large amounts of fibrous a tremolite and small _ amount of anthophyllite present of 3 The airborne dust asbesat sbeosts os in paint are unknown Asbestos fibers that are tightly bound into a paint should not be a problem However when paints are removed by dust generating methods such as sanding or abrasive blasting asbestos fibers could be released Dried paints are brittle and the shattering action of abrasive removal could break the paint vehicle away from the asbestos and release the fibers 018553 | Eee oe CRMC 134.05 376 .9631 content of talc suitable for use in 24441 paint Subj Asbestos content of paints and is used in a wide variety is a common paint ingredient free of asbestos while others Talc talcs are relatively that all assume sold to the Navy Some Hence it is safe to contain from 20 to 60 asbestos containing containing paints The poten- may - commissioned ships are coated coated with asbestos airborne asbestos particles durdinug ring grinding sanding will tial for generating coated with asbestos containing containing paints or abrasive blasting of ships coated dried paint being removed depend on the amount of asbestos in the analytical method for measuring the is no standard analytical of airborne asbestos Unfortunately there and the actual actual amount asbestos content of dried paint of such paints is not known released by surface preparation particles asbestos during 46 The potential problem of generating airborne airborne a prohibiting the use of high by the surface preparation can be prevented and b requiring use of asbestos content talc in Navy formula paints , whenever practical However this approach will not under 490 Navy formula paints formulas such as those procured methods for measuring work for proprietary Standard analytical silicone topside paint exist and there is no accepted limit the asbestos content of paints do not Consequently there is no way to for the asbestos contperanctticpaalinatssbestos limitations for proprietary establish and enforce paints it is recommended that 5 Based on these observations the surface preparation of airborne asbestos generated genergenearated ted during during investigation will 24 24 The iinvnestigavted estigated Such an high asbestos content paints be investigated investigated airborne asbestos hazard posed by using dif- asbestos con- to have to determine the of known methods remove paints methods analytical ferent surface preparation task will be to develop such a 1 tent A major part of wet and dry paints Enclosure of the asbestos content for determining accomplish such a studstudyy outlines a proprojject ect to accomplish ' Mistron 24441 b.'Approve 139 and Microtalc CP2030 for use in ; : ; _ PRsetchial and equipment paintspaints needed Island Naval Shipyard has trained personnel technical personnel are 6. Mare recommended task to accomplish the However no at this time The potential airborne available for assignment to the task containing paints should be asbestos problemproblem associated with asbestos sucha project to the is willing to support task until investigated Mare Island take the lead on such a fullest extent possible but cannot completed within 12 months for estimated the project can be . FY 81. It is a, . 75,000 i M. FITTMAN By direction 2 . 019554 019554 019554 000204