Document R2O9pxXmV1R7oREB1Z9ZxGjEX

FILE NAME Painters and Allied Trades PAINT DATE 1978-1980 DOC PAINT085 DOCUMENT DESCRIPTION Memos by The Navy Re Asbestos and Talc Ser116-78- 116-78- 26June 1978 | MEMORANDU=M| . From Code 185 To Code 500 re Se | ; an a, Subj Tremolite Tremolite Talc Containing Asbestos Fibers Encl 1 Naval Spditr from Commander Mare Island NavalShipyard - to Commander , Naval Sea Systems Command of 20 Jun 1978 - - 1. Enclosure 1 identified subject in use at Mare Island Naval Shipyard and procedures taken to reclaim talc containing - asbestos fibers for dis- ; posal while substituting asbestos asbestos talc 2. Request search ofprocurement documents and inventory :lists to oe locate subjectin supply pointsShop Stores at PhiladelphiaNaval rr Shipyard : a 3. Notify Code185 oof fof stocking locationsNLT20July 1978 8 Copy Code t eonw celncl JosephJosephJoseph KENNEDY 000262 Seneca eee ~% * 150 Laboratory . LABORATORY TEST REQUEST LABORATORY . 12ND 4730/19 5-76 150 MINS REV Thiss LABORATORY BEGET 6G, 2892.78 2892.78 2892.782892.78. 2892.78 2892.78 : . = 10 : - ACHEMISTRY LAB CODE . 124 TRO . 5.70.11 5 ome 6-15-28 6-15-28 6-15-28 - - COPYISI TO - {7} METALLURGICAL LAS CODE 134 . T BLATEMAL TEST LAR COST IMATY CZAS 2590/25904 ieee: 520.11520.11 ae CONTACY MO1E48160847 1E481608847 DOCUMENT 40.0 81650838 , : 81608847 CIMEI SPECIFICATION ALUCYY SAMOCHEMISTRY POLUDEFRORMY DESCRIPTION TALC TECHNICAL GRADE ; MONTANA GRADE SACKS MONTANA 25-38 50'LAS PLATE 25-38 50'LAS > | 9M/6P CHEMICAL. : TO | OTMER TESTING REQUIRED METALLURGICAL & PHYSICAL - |} TENSION MACRO OTHER | CONFORMANCE IDENTIFICATION as HASONESS ... SEAMLESS TTESETINSG T INSTRUCTION WIN SMEET OLM PES CIHED ASBESTO5S8B6 58B66 TEEST CR ASBESTOS PHOOF NO PRESENTED PRESENTED ASBESTOS DISPOSITION OF SAMPLESS . astest ONLY MORATORYUSEONLY 58B66 | astest detated in - OD7 749 in 207 AT 249 AUG 978 Cd Stock6810LL7999893 9893 UI Barbone Call M dueatur forther I, H. forther Cods AREAL TST/BHEUSTIOAION C 18404 18404 18404 1840418404 forther AUTMINTEATED Er ve LEW M. CRMC 000275 - 05D2 6101C rn m From Commander Naval Sea Systems Command To | Commander Mare Island Neval Shipyard me # MAY 1979 3 Subj Asbestos Content of Magnesium Silicate Raw Materials Used in Manu_ . facture of 24441 Epoxy Coatings : Ref a.NAVSEC Project Order N6519779P090620 reese. NAVSKIPYD 1. Itis requestedthat Mare Island Naval Shipyard evaluatemagnesium silicate from f oo. _ Mare Loney 8 ore . Pfizer Co. Minerals & Pigments Cyprus Mistion CP 20-30 | 139 Dt . a . . a . Desert Minerals Talc Co. Fine 80 a atl to determine asbestos fiber content ; eral 2. Although tremolite is the major mineral fiber in asbestos other air- eral fibers are chrysolite amosite ' crocidolite anthoplylite and actino, paragraph present reported ' lite These fibers are to beidentified identified also and if along with tremolite ; 3. The magnesium silicate pigments of one1 shall also be evaluated physically and chemically In particular oil absorption should be determined and compared to the material used to make reformulated 24441 materials 1.a. Pfizer Cp 20-30 magnesium silicate ~ beecra affort iswithin the scope of fundingofreference a .. an me, ee. . 4 ANDERSON pene, m A.T. directive means oe . et j . Blind copy to | NAVSEA 05D23 ~ . 6159C 921TH3 _ Prepared by John J. 20214 Typed by L. Sendejo Hager May 1979 gw a , ay Ese fiery . XRTV ves ' : . XRTV XRTV XRTV XRTV XRTV 7 ^'epeie.En e ae XRTV U/ SG t / tag. . wet { a a -~ ee os . Cy. 5875 Lee. ae ke ? | Cy 2 aC or . 24 file asbent nie po nar 2% geste 5137.1 es . 27: ae Seige yrvsrnt yge897 a tore BF ane 64 citer eyo revelers 4 arenieg ' id mage idemage 4 a idemage i oT3S) F . inves i Naval Commender Systers guides 1 4e SWaeshviongkton Washington Spediater winner Envel.peconcomi . INSTRUCTIONS a UN en 5100 5100 see ~ COMMUNICA COMMUNICA ive COMMUNICA 4. emege oF" fo i Wt sgereprestae a ath, adheres to INSTRUCTIONS sre te Cia! . INSTRUCTIONS INSTRUCTIONS a he Bao pen INSTRUCTIONS s ape ae baldte type thes idemage phrasey eel . PA ambie ambie ate de ang. beepste beepste bang beepste " 4 . (sza ' Systers Washington Systers SSysters ysters Washington : aresdly require wapent guides when wind inves | J aypuay* guides primity wg pe 4 gosta Give primity wg wgPing wg had not me require concomi cconcomi oncomi .4; 6 wee In wr cal wapent prasin prasin shie cal morse, ae Subj containing AED . . -* YES of YES AED AED BLOCK erannee FOR FOR CFFICIAL CFFICIAL ONLY od, CFFICIALUSE ' FOR OF Were Islend Terral. sipers asbestos Tremolite Talc Shipyard Shipyard suvj: ' end A. E. levedifiy CodeFONECFOONECONN HNAAVVSSHHIIPPYYDDMMAARPFEaEttersoJnune 0730 b between 1978073C net: a between D. HAVSHIPYDMARE (2) Code (v) Report Report NAVSHIPYDMAFE NAVSHIPYDMAFE SEA of 7 0730 A. E. Leveque Leveque Patterson 1978 or 16 June upewkOb hare asbestiform asbestiformTorts Enci OS5A containing Shipyard Island Haval nea Shipyard Field used Mare Department cg Tachi ( InformatioInnformation Information S. Department Memo 74-92 Field office : gecklitatins conversation Safety : telephone Mare Island Safety OSHA Island (ref- through microscopic reference erent During used Island facilitatingfacilitating evaluation appeared appeared telephone telephone production ref- facilitating contain asbestos Naval enero 1. processes the SafetySafety Mare telephone conversation findings ref- be erence taken to Director Enclosure Island Shipyarredsults the reported the enclosure - actions bacbkagcrkgoruonundd informa%tioni}nifnorfmoatrimonatipeortaninipngertaining TreaTcrelaictliete Trersultes aclite asbestiform requirements \ 2 background i 2 ActionsActions taken gnfornatioan pertaining (2). 48 taken processes byl4a processes . otal determine possible facilitating to contamination contamination production contamination wasasbestiform Oa n contamination sation. a fA nola 2 esbed en Shipyarda tagore All Haval NAVSEA e s NAVSEA NAVSEA sriprexda ALL tavot from Commander BID Hare i NYL California pyert , Comaner Navel SAI voor Coee relent a4592 Vallee; calizerai^' . . 185185 ievee i;f,oe. G-_E 72 age FOR _ i a2t4e3 og RETURN REPLY RECL5Y TS AS pe#r 89oene eal pees -_ papery Unclasifed Unclassified = ke . usE ouig ot - pop ONLY cow . 159 rand DEPARTMENT OF THE NAVY MARE ISLANO NAVAL SHIPYARO | VALLEJO CALIFORNIA 94582 Ca IN RIFLY REMEK TO 134.05 , Sexr 376 9631 JAN U7 1980 From To Commander Mare Island Naval Shipyard Commander Naval Sea Systems Command 05D21 Subj Asbestos content oftale suitable for use in 24441 paint a Ref Encl , a NAVSE1tAr 6101C 9631 Ser 55 of 30 May 1979 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 talis for asbestos content and for comparability to the Pfizer Microtalc Cp 20-30 talc used to make reformulated 24441 paints : of 2. The asbestos content the talcs was determined by microscopic analy sis using dispersion staining : The oil absorptions are based on data reported by suppliers which has a the National Paint and Coatings and Association by the tald The oil absorptiownerse determined according to ASTM 281 reproducibility of+ 25 The results are as follows Source 011 Absorption - Asbestos Content| Cyprus Mistro13n9 . ; . 33 ; Slight amount of fibrous ' tremolite in one of two samples Desert Minerals Talc Co. _ Fine 80 oe Pfizer Microtalc CP 20-30 . 36 29 Ss = = . ss Large amounts of fibrous tremolite present ' Slight amount of fibrous tremolite in one two - _ samples tested R. .. Vanderbilt Nytal 300 . 29 _ Large amounts of fibrous . .. ST , tremolite and a small amcunotf anthophyllite present 3. The airborne dust asbeofsat 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 08553 . ra . 000203 . oo See ee 134.05 376 Subj Asbestos content of talc suitable for use in 24441 paint that all Talc is common paint ingredient and is used frineea ofwiadesbevsatroisetywhiolfepaoitnhtesrs sold to the Navy Some tales are relatively from 20 to 60 asbestos Hence it is safe to assume may contain with asbestos containing paints The poten- commissioned ships are coated tial for generating airborne asbestos particles during grinding sanding. or abrasive blasting of ships coated with asbestos containing paints will , depend on the amount of asbestos in the dried paint being removed Unfortunately there isno standard analytical method for measuring the asbestos content of dried paint the actual amount of airborne asbestos released by surface preparation of such paints is not . known the 4. The potential problem of generating airborne asbestos particles during surface preparation can be prevented by a prohibiting the use of high of asbestos content talc in Navy formula paints and b requiring use whenever practical However this approach will not NwaNavy ovrykNavy ffoorrmuplraoppraiienttasry formulas such aspractical th.ose procured under 490 silicone topside paint analytical methods for measuring content of paints do not exist and there is no accepted limit the asbestos for the asbestos content paints Consequently there is no way to establish and enforce practical asbestos limitatiofnosr proprietary paints 5 Based on these observations it is recommended that my of methods airborne asbestor generated generated generated during the surface preparation prearption reparation of 24 24 The Such investigation will bigh asbestos content paints be investigated investigated dif asbestos asbestos dusting hazard posed by using have to determine the airborne to remove paints known asbestos con- ferent surface preparation methods will tent A major part of such a task will be to develop analytical and dry dry paints Enclosure ) of for determining the asbestos content wet outlines ^ project to accomplish such a study b. Approve Mistron 139 and Microtalc CP2030 for use in 24441 paints 6. Mare Island Naval Shipyard has trained personnel and equipment needed no the recommended task However technical personnel are to accomplish at this time The potential airborne available for assignment to the task asbestos containing paints should be asbestos problem associated with to the a Mare Island willing to support such project is investigated but cannot take the lead on such a task until fullest extent possible 12 months for FY 81. It is estimated the project can be completed within 75,000 } Ween 4 M. FITTMAN By direction 2 018554 018554018554 018554 018554 018554 018554 018554 000204