Document EvK3Y0VjBbXpQvM4zRQrqZ4Gn

PLAINTIFF'S EXHIBIT DUP-128D htUM MV .4| LUluUlu I. ou Pont.DC,Ncmouks'.SCompany Wilmington. Delaware im*i tcxticc risen* ovahtmcnt : .c J-r.. cc: Gi' D. ' Campbell - Martinsville' ; -t W. J.; Venable - Spruance k-' B. E. 'Ransom'- Camden ^E.^JO'DonneU^rWayiesboro M [^M.^E,fsabl^ScaplsFear^'>''' ' Gi* B'^ECirkpatrick'-'Old 'nlckc ry >. :fc2: C. Twer"-`'Ex. Station - 1 R. Sassaman - Ex. Station g- Marj!ift - I iftUVlTff L. C. SchaUer - Nemours 12452 R. J. Hubiak - Haskell G. E. Lang - Louviers Ingo Zeise - Louviers F. H. Fuller - Louviers F. L. Bryant - Louviers W. S. McMahon - Kinston R. D. Landsberg - Chestnut Fun D. R. Rodden - Chestnut Run J. F.`Morgan- Haskell. _ , ' ,: i,tvdir'-*4- l-r-iir-..-/ \ . . ic '': VSeptember 0,' 1973 . ft.- D. L. BROWN - ATHENS `'E. L. LONG-KINSTON ' J. F. WATSON - CAMDEN J. 0. EXLEY - MARTINSVILLE J. J. HOWERIN, JR; - CAPE FEAR H. B. BARRETT - OLD HICKORY J. L. McCLANAHAN - CHATTANOOGA R. W. CALHOUN - SEAFORD J. D. REICHLEY - CHESTNUT RUN H. F. GALLASCH - SPRUANCE R. P. COON - COOPER RIVER (Nemours) W. G. RIDLEY - WAYNESBORO OSHA ASBESTOS REGULATIONS Ref. 1: Letter, Hayden to OSHA Coordinators, 8/2/73, same subject Ref. 2: Letter, Hayden to OSHA Coordinators, 8/24/73, same subject On the basis of Incomplete responses In which we attempted to determine your order of priority on the agenda Items, we attach the revised agenda with the items listed in order of decreasing Interest. H we have incorrectly interpreted your desires, adjustments can be made at the begin ning of the meeting on September 1L Some of you have requested that additional items be considered and these have been listed under the heading of New Rems. K time permits, these will be covered. In order to cover the questions and items which you have suggested ` 3^2 In the most expeditious manner, we have invited a number of qualified personnel to sit in with us and to constitute a paneL We propose to present 0Ur 0903250 JC6?96 Du 024631 the discussion is'restrlcted to pertinent points. The panel will consist of the following C. E. Marsh L. C. Schaller J. F.. Morgan G. E. Lang Ingo Zelse F. H. Fuller Standards Safety & Fire Haskell ESD, Materials Construction ESD, Environmental According to your responses, the plant personnel who intend to participate in the meeting are in accordance with the attached sheet We would like to request that plant participants bring with them to the meeting, dust counts which' they have made that are representative of typical plant jobs where insulation is removed and replaced (L e., a CP overhaul). The Standards Section ,is;seeking basic information of this type in order to guide their recommendatio'ns in Standard S4T. As indicated In the second reference, the meeting is scheduled to begin at 8:30 a. m. in Nemours 5419, Tuesday, September 1L RBH/sss Attachments ENGINEERING DIVISION R. 3. Hayden Staff Engineer ou? 0903251 J 08897 DU 024632 * ASBESTOS DUST SEMINAR AGENDA SEPTEMBER 11. 1973 - NE.Y.CURS ;/11 1. Recommended Sampling Techniques: Minimum number to establish dust level during demolition. What Textile Fibers routine jobs exceed TWA or ceiling HmUs. 2. Status of Non-Asbestos Containing Thermal Insulation. Periodic Information Bulletins. 3. Smoking and Eating in Work Areas Where Asbestos is Handled. 4. Legal Requirements for Protective Clothing. 0. Physical Separation of Insulation Shop from Adjacent Areas. C. Legal Requirements for Dual Lockers, Change Rooms, Laundering, Etc. 7. Damage to Body Organs Other th%n Lungs Caused by Asbestos. 8. Recent OSHA Plant Inspections. 9. Review of Experience with Respirators (Disposable, Supplied Air, Etc. 10. Engineering Recommendation on Portable (Hand Carry and Roll-Around) Vacuum Cleaners. New Items With asbestos-free materials here, should we be sampling, protecting, etc., against other insulating dusts such as glass, silicates, and diatamaceous earths ? Wbuld the levels released require use of down draft tables and other dust control shop devices ? Definition of a "toxic raateriaL " New vacuum exhaust in regard to the ANSI Bulletin. IS exposure to mineral wool dust considered a problem? I' [2H/": DUP 0903252 JGS898 DU 024633 MEETING PARTICIPANTS CHATTANOOGA J. L. McCLANAHAN MARTINSVILLE G. D. CAMPBELL F. L. 3RYANT SEAFORD SPRUANCE CAMDEN R. W. CALHOUN W. J. VENABLE B. E. RANSOM J. F. WATSON WAYNESBORO E. M. O'DONNELL CAPE FEAR COOPER RIVER KINSTON M. E. SABLA < R. P. COON E. L. LONG W. S. McMAHON OLD HICKORY H. B. BARRETT G. B. KIRKPATRICK CHESTNUT RUN R. D. LANDSBERG D. R. RODDEN RBH/SS3 9/0/73 DUP 0903253 J 08 8 99 DU 024634 ASBESTOS DO SI SEMINA?. TENTATIVE AG ENTA SEPTEMBER 11. 1973 NEMOURS 5419 Recommended Gambling Technique:'. Minimum number to er.tabli.th aunt level during demolition What Textile Fibers routine jobs exceed TWA or ceiling limits Physical Separation of Insulation Shop from Adjacent Areas Legal Requirements for Protective Clothing Legal Requirements for Dual Lockers, Change Rooms, Laundering, Etc. Smoking and Eating in Work Areas Where Asbestos is Handled Recent OGIIA Plant Inspections Status of Non-Asbestos Containing Thermal Insulation. Periodic Information Bulletins Review of Experience with Respirators (Disposable, Supplied Air, Etc.) Damage to Body Organs Other than Lungs Caused by Asbestos Engineering Recommendation on Portable (Hand Carry and RollAround) Vacuum Cleaners RBH/sss 8/24/73 3S2 OUP 0903254 J 0 c 902 DU 024635 TENTATIVE PARTICIPANTS CUA TTANOOGA J. L. McCLANAHAN MARTINSVILLE 3EAFCRD SPRUANCE CAMDEN G. D. CAMPBELL R. W. CALHOUN W. J. VENABLE or T. J. HAMPTON B. E. RANSON J. F. WATSON WAYNESBORO E. M. O'DONNELL CAPE FEAR M. E. SABLA COOPER RIVER KINSTON R. P. COON 7 OLD HICKORY H. B. BARRETT G. B. KIRKPATRICK CHESTNUT RUN J. D. REICHLEY RBH/sso 8/24/73 DUP 0903255 J03903 DU 024636 TEXTILE fI2ERS ASiiEoTOS JUST SEMINAR CF TUESDAY. SEPTEMBER. 11. 1973 The current status of asbestos-free insulating materials continues to be brighter, but the progress from your last meeting, in July, 1972, has been slow and painful. fou nay rocalL that at the time of the previous meeting we had only two calcium silicate insulations that were asbestos-free and only one of those war. satisfactory for use on austenitic stainless steel. At thin time, fortunately, all of the calcium silicates we have listed in Engineering Standards SN100M are asbestos-free. There are five brands of Code 102, the uninhibited calcium silicate, and two brands which are approved for Code 102.1 for use on austenitic stainless steel. There are two more brands that will be added to the inhibited calcium silicate listings under Code 102.1 by the end of this year. They are Johns-Manvilie's Thermo-12 and 3&B Insulation, Inc's. "Pamsil", which is a Du Pont development. This will help us considerably in getting back to our previous prin ciple of using only the inhibited brands for all applications to avoid field mix-ups. At the time of the last meeting, I was pushing a high quality mineral . ^ wool by the U. S. Gypsum Co., known as K-fac. This can be inhibited by the fabricator by dipping it in sodium silicate solution. DUP 09032S6 J 08869 DU 024637 As bestos Dust Seminar 9/11/73 It seems that this material took on so strong in the asbestos-free \ calcium silicate shortage.that U. S. Gypsum had to turn off their tneir industrial thermal insulation program. They were way jversold. U. 5. Gypsum is still supplying all the needs of their first two fabricators, Atlas Insulation of Pittsburgh, Pa. and Starr-Davis of Greenboro, N.C.; but they have stopped promotion to any other fab ricators. I'd like to mention here that all of the mineral wool brands listed in Du Pont's Codes 114. and 114.1 are asbestos free. Johns-Manvilie still does not have an asbestos-free substitute for their Marinite, which is l)u Pont's Code 130, Asbestos Board, and they hold no hope for one in the foreseeable future. There are no other manufacturers products which even approach Marinites physical characteristics. From Du Pont's standpoint however, there are no needs where Marinite is the only material that will suit. We can and are engineering around this material. All of tho Insulating Cements, Code 502, and Insulating and Finishing Cements, CoUo 502.1 listed in Engineering Standards are asbestos free..,. Our single greatest asbestos material problem at this time is finding an aauivalent substitute for woven asbestos or "A" cloth. ------------- DUt 0903257 Come of your people have been helping the Thermal Insulation Standards J08870 DU 024638 Asbestos Dust Seminar 9/11/73 Subcommittee evaluate a product known as 'Pcrterlag" by the H. K. Porter Company. In the trade, it is known as a rewettable glass clotn. It is a glass ciotn that is coated with a rewettable adhesive by the manu facturer (I have a small fitting cover that is covered with Porterlag No. 205, a 15 ounce treated glass cloth). These rewettable cloths must be protected from moisture or the adhesive will soften and cone loose. This material is useable with hot side temperature to 800F. It is certainly not equivalent in strength or abuse resistance to "A" cloth, but where plant rulings eliminate the use of asbestos-bearing materials it is our best alternative so far. In summary, we are in good shape tor asbestos-free insulations and accessories with the exception of woven asbestos cloth and asbestos listing tape. George G. Lang/blo September 12, 1973 DU* 0903258 J 08 871 DU 024639