Document n98mJMER7rDq58zoNZjZKwpO2

FILE NAME Manville JMA DATE 1969 - 1974 DOC JMA216 DOCUMENT DESCRIPTION Memos - Ingalls Shipbuilding THE INGALLS SHIPBUILDING DIVISION LITTON LITTOSN YSTEMS INC Mr. Floyd Schults TO SUBJECT = Survey of Insulation Materials and Othar Materiale Containing Asbestos DATE September 12 1969 FROM Exfety Departmen PHONE CC Mr. M. A. Weeks 628 ; D D | 5) Y The cubject survey was conducted J. W. Wobb Cenier Gainty during this month of Ama 1962 by Ms. of insulation and Repromantative Hr Wab contacted nany users Attached in him scisatos repost cuntaining matoriale found in the shipyard . $n addition we have incluxiod the following informations 1 2 Attached a curvay for cubostos dint exposura van conducted the Ind Hygieniat employed by our by vero invertuie in all out two locatciooumnps caSrereier end results ladical and That our kenra n known treatmCeanmtpe az ^-rationDepartment reported they those cutised by aatestos dusptaysant of camo diagnosed au 3 That sofovy rotulations concerning threshold limit Imamed by the yard and the lou valuas en hualoh zugalations in offect nrso emintced Ibat pzzery and protective muifacet deal requirod with ventilation auxi personal specific ta gumorally rather than to e 4 that the yard tr^"moavailebla remirators farezu of Mines appanved only for all type opornsiano opreatication opreatication 5 That meet Insulation work involving arintten materiela in performed in cubeumaracters In adiluten the In umally manuiseri by pervormdent natorial used 6 That f^wif nay vomitten instructions are shop and chip practices fer insulation vorkaavraeilable concerning nemmendations Eaced upon theazoyf acbentos chist an a harmful product A That nabestos inguletion work to paz^flervedat such a time to minimico oumetura to as pornoanal in the adjaceur along 2nd and 3rd Fife B That vot processos is adopted shore feasible FORM - 707 2 me a re Oe, oe oes ee ee eT * - . 882 Memo to Mr. Floyd Schults Page 2 C D That specifications concerning insulation materials be made flexible enough to allow asbestos substitutes That heavy cutting of asbestos materials be performed in wall ventilated areaO E iThnattheall emaloycee working with asbestos materials and thoca respiraitmomrediata arda be required to wear the proved type CMB 1aw tO G. M. Bryan Manager of Safety ( . - . ( | ! \ . October 1 1959 ae + TO 8 ine a + | Officer in Charge _ Naval Ship Engineering Center ' Center | Philadelphia Division tome Philadelphia Pennsylvania . r VIA * -| SUBJECT = REFERENCE Ste _ ENCLOSLES soe Supervisor of Shipbuilding - Conversion & Repair USN Fg atte agg Pascagoula Mississippi Mississippi eee Shipyard Practices in Combating the [ih Hazards Attending the lise of Insulating s Matar^>alsNavfee Phila Div Project 287 Sa a Naviac Phila Div Lot 6764 NA lal9390 287 Sex 724 of 30 April fudad by . . Sup^/hiplat Ind 2055 hda 9390 Sam 202C- 58 of May 1969 a 202C- ce wes Pre tee 1 Tabulation of Survey Results of Use e Insulating Materials at Ingalls Shipbuilding a | Enclosure 1 is forwarded borewith in reply to Referance It is regretted that the reply is so late but a was difficult to assemble the information Additional comments are furnished below ares Hedical Department Department ^ Our Hedical and Compensation caused reports No treatment or payment of coses diagnosed as those caused by asbestos dust . ae b Esfoty regulations concerning threshold limit values en inposed by the yard and law are enforced that health regulations in effect deal with ventilation saanfdetpyerasnodnal protective equipment required generally rather than to a specific hasard . * 8 . = eee ay LL AAT es wwe wee eee . Oca Bee 8 Bsa TO - VIA NavShip Engry Cau Phil Div SupShip Pascagoula Page 3 type operations c for all The yard makes available respirators Bureau of lines approved only d Most insulation work contractors involving asbestos materials is In addition Government specifications the material used is usually usually performed required by by ship F ow if practices any written instructions for inmulation are available concerning shop . vorkers Tote i Recommendations based upon the theory of asbestos dust follows . as a taraful product . That asbestos 1 insulation work be | 20 exposure to personel in the adjacepntera forremaesd a 2tnsduc&h3a rdtime a te shifta oa 0 adopted 4 3 That wet processes be where fessible 3 That specifications specifications concerning insulation Flexible enough to allow asbestos mubstitutes materials be made . I) ATUAK 4 That beavy cutting of azbesten 4 materiale be performed in well . . employees immediate 5 in the That all working with asbestos materials and those area be required to wear the approved type respirator i TLIHTETOINNGSAYLLSSTESMHSIPIBNUCIOLRDPIONRGATDEIDVISION MAW dep Faci Director Industrial Relations 504 834-3376 . AMERICAN MUTUAL CORPORATION 3501 3501 N. Cansovny Blvd. N. O. Box 148 February 18 1972 0870 P WYNN KERMANI TE Mr. J. S. Stratton Jr. 3 Hanager of Fire Medical Medical Medical Medical Medical and Ingalls Nucleor ChiChipbuilding pbuilding - Safety Corporation Division of Litton IndustIndustries ries P. O x 169 Pascagoula Mississippi 39507 Dear fir Stratton The undersigned visited your East Yard on February 4 1972 with fr 1. D. Here Chief of our Industrial Hygiene Section The purpose of the visit was to evaluate certain vecumational disease hards as requested by Ir 2. C. Daughdrill Section Manager Safety In the absence of Mr. Daughdrill Daughdrill we contacted ki J. P. Burke Jr. and Ic C. Alfred of the safety Section accumpanied us throughout the visit We also contacted you during the visit and in accordance with your instructions I aa cending you three copies of this letter It is understood that you will distribute copies of this letter to Mr. Weeks and Mr. Daughdrill ASPESTOS . No asbestos dust operations were in progress during the time of this call However we visited several lonations where such operations are in progress from time to time such as boiler rosas on ships and sawing \ _ operations in the yard conducted by your contractors We noted that respirators were on hand both on the ship and in the yard where acbeatos dust operations night take place These respirators were of a type approval by the United States Bureau of Hines for this purpose As discussed during the visit we recommend that you monitor concentrations of asbestos dust to which various people might be exposed I au attaching U. 38. Kepartment of Labor nampling data sheet for asbestos . You have a personal sampling pump in your chemical laboratory It will only be n^'cessary to nequire che prescribed type of filters and a filter holder which is available from the safety Appliances Company A phase micro- scope is necessary to count the fibers after the air sampling Such a ee A ee ee coste Yage Three This should provide sufficient control of the silica . Hmployeus naar enough to the operation to be opposed to the dust should also wear blasting geaude a Author option In this part "gic is option used was fut as the progress blasting near Way 6-10 agent According substance to the hair thissubstance contains no free sillon A maple of the subat wea tained and will onlyzed onlyzed incur tory for free operator silien silien silien the blasting hat at this operation also wore a supplied air abrasive CALAMMENS A ho~"flgpaleaming operation who in progress at the north end of the yard Parts are slid into a tank of molten zinc and couted The tank - in in the op under a ched and if the operator stands upwindfrom the Lak it is believed the natural ventilation will be sufficient to pro- tect him in the zino iuzes PIAT A Bee aL observed fabricating It was A plazma toren tion at te us of the in the call Cute oxides shop was not in opera- of nitrogenand metal fumes are pessitards pessitards from this operation Most plasma torches produce noise above otsible levels The torch in the fabrication th phad a Aledon on that the dust veutilation duct on the ground beside the torch It did not the dune was long enough nor placed properly It is recommended be ontoil and placed close to the torch so that it will capture tue fumes and gasses produced The operator of the torch should wear car protection The courtesies extended during our visit aro appreciated Sincerely Industrial Dygienist S. N. Roote ce Mr. Jahn F. Wechsler Insurance Insurance Administrator Administrator Shipbuilding hoiese hoiese Corporation In mis Division of kitton Industries O. P. Box 149 Pascagoula Mississippi 39567 , Mr. Janvas P. Lang Director of Insurance Litton 360 Industries Inc. North Crescent Drive Beverly Hills California tme N ae nam ime cine tei pei ri! | OSP SAMPLING DATA SHEET ? : _ Asbestos . December 7 1971 t CFR Standard. 29 CFR 1910.93a of December 7 1971 hour weighted average _ than 5 micronisn length 5 fibers per milliliter greater Excursion limit 10 fibers per milliliter up to 15 minutes in an hour for up to 5 hours par hour day Unprotected or improperly ; Method ; Analytical Method _ protected . worker exposures . . . , ; te Co Fibers counted at 400-450 magnification using phase contrast illumination with sample mounted in viscosity solution of membrane filter material . Ch ia Sampling Equipment re os ert Personal sampling pump plus Millipore type AA filter 37mm woe 0.8 ... pore size Face cap is removed and filter used open : face during sampling Sampling rate 2 m fe . ven :, Sample Size roto, . oi, . * . Minimum period of 15 minutes for evaluation of excursion limit _, . ; Several samples of up to 4 hours for evaluation of hour ; average Samples with a visible deposit may be too heavy to : with a clean filter Heavy concentrations of : count Compare . visible dust in the air 100 to 00 fibers l may require . M short sampling periods of only 5 minutes or less ee : Blanks . : aN: ; i . : 7 With each batch.of samples submit two filters which are subjected to exactly the same handling as for the samples except that no air is drawn through them Label these as blanks t i + | : * of 2 4 * Se eg emmemn y. AMERICAN MUTUAL INSURANCE COMPANIES AMERICAN MUTUAL LIABILITY INSURANCE COMPANY . AMERICAN MUTUAL INSURANCE COMPANY OF BOSTON TripthonE ACA 33 u471 M LIFE INSURANCE COMPANY - AMERICAN Mutual BUILDING One Executive Pank BALT ATLANTA GEORGIA 30329 January 25 1972 Mr. T. G. Daughdrill Ingalls East Division Incorporated Litton Systems Incorporated P. O. Box 149 Pascagoula Mississippi 39567 Dear Mr. Daughdrill I plan to visit ingalls East in accordance with your request on Thursday February 3 1972 and Friday February 4th arriving shortly after noon on Thursday If this is not convenient please advise I will be accompanied by Mr. L. D. Horowitz Chief of our Industrial Hygiene Section Sincerely yours : Slochate Slochate Slochate Slochate Slochate Seal Slochate Slochate Seal Slochate SWF djl djl CC Mr. Joris New Orleans Engineering je _ . al ' vos caver beat 4. Ie gee Ems 4 AMERICAN TELEPHONE MUTUAL LIABILITY LIABILITY 617 245.6000 . INSURANCE COMPANY s , AMERICAN MUTUAL M LIFE INSURANCE COMPANY . . Insurance cOMPANY OF MOSTON MOSTON 7 . EXECUTIVE Offices WAKEFIELD Massachusetts 01881 May 8 1974 -~ i Mr. William Mullen Chemistry Lab Ingalls Shipbuilding Company . East Bank PO Box 149 Pascagoula Mississippi 39567 Dear Mr. Mullen Pursuant to our telephone conversation I am enclosing a of the bestos Fiber Counting Technique taken from the copy As- The U.S. Public Health Service For paper The Method used by Ivane Filters " Enumeration of Asbestos Dust on Men- by G. H. Edwards and J. R. Lynch published in the Ameri- can Occupational Hygiene Vol 11 PP1-6 Pergamon Press 1968 of which article I am also C.B. a copy enclosing for your information This method was referred to in the NIOSH Criteria Document for Asbestos and accepted method in the U.S. , is the to I hope this will be helpful Don't hesitate to call me on Seneca Foote or concerning industrial hygiene problems you may encounter As I tioned to you there may be areas where men- be used our laboratory facilities could more economically as an alternate to going outside indepen- dent laboratories for special laboratory analysis beyond our usual audit function , 4 . os Sincerely I D . - -, LDH/ nw Leon D. Horowitz Industrial 4 Hygiene Section Section cur ED Roy Berg Seneca Foote WOHRMEN WOHRMEN S COMPENSATION COMPENSATION GROUP -`PENSIONS - INDIVIDUAL LIFE & HEALTH PROPERTY - CASUALTY INSURANCE