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A ESSO CHEMICAL CANADA Chemical Technology Departnwit. P O Bo*69. Sarnia. Ontario. Canada N7T2P1 Tel (519) 339-2781 B L. LOCKHART Man*g> 85PL8 C0245 January 31, 1985 Vinyl Chloride Safety Association Meeting CHEMICALS Dear Member: The Phoenix meeting was generally felt to have been very productive, with a wide range of topics covered. The fact that the true confessions section was devoid of spectacular incidents is a measure of our success as an industry in promoting safe operation. John Anderson, our 1985 Vice-Chairman, has tentatively arranged the next meeting for September 12 and 13 at the Innisbrook Inn and Resort, Tarpon Springs, Florida. Members should arrange to arrive by the evening of Wednesday, September 11 via Tampa International Airport. Our next program chairman will be John Vaughan of I.C.I. Hillhouse, U.K. In order to provide a satisfactory meeting, he needs to know what your wants are and where he can turn to satisfy them. The attached questionnaire addresses these needs. Please complete it as soon as possible, and return it to him at the address on the last page, remembering that we rely on volunteer discussion leaders, seminar presenters, survey takers, etc. for our success. A list of Permanent Representatives and attendees at Ihoenix is attached. A copy of the initiator handling survey is included for those members who provided input to the survey. I hope to see you all in Tampa. JRW/jag Attachment 2737J A dlvitio of IMPERIAL OIL LIMITED UPE566316 VINYL CHLORIDE SAFETY ASSOCIATION MELTING 1985 TOPICS QUESTIONNAIRE Please indicate interest as: H (High) M (Medium) 1. Case Histories 1.1 Old Case Histories All Case Histories which are Well Documented with Cause and Corrective Action. 2. True Confessions Any New Incidents within your Company, which are of Particular Interest. 3. Health 3.1 Angio-Sarcoma Update 3.2 FUG Dust 3.3 Other Health Problems Allegedly Associated with VCM/PWG Dust 4. Monitoring Equipment 4.1 Area Monitoring Systems 4.2 Personal Monitors 4.2.1 Badge Monitors 4.2.2 Pump Systems 4.3 Leak Detectors 4.3.1 Dust Monitoring .1 Environmental .2 Exhaust Stacks Topic of Interest JIW/1066 L (Low) Willing to Present? 2- - 5. Work Order Systems 5.1 Maintenance Work Orders 5.2 Work Permits 5.3 Vessel Entry Permits 5.4 Lock-Oat Systems 5.5 Plant Operating Instructions 6. Legislation-Regulatory 6.1 Regulatory Update 6.2 Update on EPA-OSHA Actions 6.3 P\C Food Application Regulation Regulations 6.4 Other Legislation Topics 7. Chemical Hazards 7.1 Polyperoxide Formation 7.2 Storage and Handling of Peroxide Initiators 7.3 Inhibition of Recovered Monomer 7.4 Other Chemical Hazard Topics 8. Plant Design 8.1 Location of Control Rooms 8.2 Design of Control Rooms 8.3 Bunding of Monomer Storage 8.4 Materials of Construction 8.5 Electrial Classification in Hazardous Areas 8.6 Relief Systems 8.7 Other Plant Design Topics 8.8 Gasket and Sealing Materials JRW/1066J -3- 9. Safety Programmes 9.1 Safety Conmitteees and How to Make them Effective 9.2 Dupont Stop Programme 9.3 Incentive/Reward Systems Their Role in Promoting Safety 9.4 Safety Surveys 9.5 Incident Investigation Techniques 9.6 Other Safety Programme Topics 10. Process Safety 10.1 Controlling Runaway Reactions 10.2 Closed Reactor Hazards 10.3 Inspection Procedures .1 Process Vessels .2 Process Piping .3 Nozzles 10.4 Gasholder Hazards 10.5 Other Process Safety Topics 11. Any Other Safety Topics of Particular Interest RETORN TO: Mr. John Vaughan P.O. Box 3 (Shornton Cleveleys) I.C.I Hillhouse Works Blackpool FY5 4QB Lancashire England Phone: 0253-856161 Telex: " 67483 ICIPIAST CLVLYS JFW/1066J A VPE56681? V---I-N--Y---L----C--H--L--O--R---I-D--E----S--A--F--E--T--Y----A---S--S--O---C--I-A--T--I-O---N----M--E--E--T--I-N--G-- f Location _____________ PHoFMl^__________________________ Date ______ Qg.T 199 4 I Company Name AK20 Attendee Position Company Address Telephone and/< Telex Number AiR. P^ODmc-tr AlSCONDEL \ ^yujiy^ Eaj./. 3# A pot>oo*r s^pef>>Ttrx3v ca^t W\G*V-Ocvy J-A^c+rreu**/Pjl. /f/o&* ^.c,e: , Fl. . Till'- V//- fi-fi 1 i &ORDEVJ /-/, /lS* Aff>- tift Tej^U. N&Va . PT 11 C^RTAI'mTEED |>ovJ nC ciOCKo>nO->-- c.A.Gecuvi'E/e. PcA^~ ^(L K.ei~ui One, Jjptre P.O.SoX -2.S3 3ocPHo^,LA ")ott3 3f/`W-I -2.3 f: H-/L.L. unre- MM-V'&i* 'j2Ar~7V/-~\7/77 sS f^O, &<rfA Fhj*&y%Z 7y. 7/?r-/ tf-of/x^f/t? 1/ *|J fi*!.' . ' > Location VINYL CHLORIDE SAFETY ASSOCIATION MEETING Date OCT j 9 Company Name t)\At~\OKlb tHW^CK. ALSEWA . Attendee Hi'S ActoUMJi Position rt //) At--, ^ Company Address J(>n-c*aL^T>-* ,, Telephone and/o Telex Number fkllCHCH PouimeR/ Cr\AaIaJi BjL)ttA TEC4Axl- pROfc KG~ft MiUAAlOP-lOftl `SrrRAlW 7 PaLACTT) F 7 3<w<?rt I^iiAun) XXM^i -urtoT. ESiO CHEMICAL C-ANADA JVJhLLfrze fJtt/o fe.t-t.A'XrtA/ /%* A Ajbd& \ Tercnwci'-acx P,o gCl< b) SARUlA- OKTWUO WTTipi ^(`7)33'l-iZS^ P 1/C OfetATic** Orf>'s SuAet* 7.0. 80/ 300^ A SAHvU - *i fWr knrmt. Ca?) SR*- 9.*o&i -1 >5f -l&u' *rLBC 6* - T^tiC E/<ro CHfHlCAC M CWrrA* -StfouRj^ CfriiVw P.6. Bo x 44. TV*saJ*m fct Avtppcjp (?Ki) *4f7 foRKOSA . ^ pe.UTA0M, T11C1 OH IV 0>UIL/Z&/ 1C A qeME^Ru ti e.s^ P*0*&0x iySLf /S4_*ec f n 1 -v 1/0/? l^T^WnT Tx . >^?S? <5/. \ Location PHOFVMA VINYL CHLORIDE SAFETY ASSOCIATION MEETING Date QCT 19*4 Company Name Attendee CEOftqi* -iPMiPKR, C&MCsr FDMtos 5Vv,^ Position TtTCAf /ffC/t toD, u Company Address /&- 7^r ToWixT^i P ^ Telephone and/< Telex Number S??y ct? rt/ r ^ xS &P. - GtiOOYCAfl\ A'a*--. A4//___ A 7>. /**-* (* fO V &*. 7~* * < Jf <?<..** -4(Jt '2/>l& *. .P**- Zur*JtrHr/t<-+f CA~ <? X<LrC 2*( -4.47- <*+ U3'S/3--?tU , HUL* ------------ T----------------------- x.e.r L.V'H. n fmji i>v u* k fl&i/Jv- C>C`r*fti'TT S^T %`i) r$i"L*A4* rPI*n*t ffabAji** fo^oK 3 H^L-UUdC,, UjfcS SuAOjcraoi- PY5 M-QCk Tki* ialt&lCLVtil i-MCS 1 *?02koy zts taa rf/4 7>e*/: MJh# 7^/Co Kevs<*.- Cawivf f&Mew'P.K.LAn) dj/jT ? P/zc&u. M&z. 2Jooo S*fcwSrffjtooK. Ra/vO *>&VC-OS . ^AL>-&rruSt/\ 9/3XS u ?*r-2r^j- zJCq & > y '-rtf "^7/ olFFTS^FIT --'vv^ -r*'f*'**-'~*>~zr / ow; K , ^rr- 64-* P'e~i9C't'7u<ig A1S..SI-2. -j> <7>b( ' % ^ozegfiiq $*'!>/'f'vxrz. ^avite^ y^j\ yiovj^ Aoy } ^<fW>3g rt?^ eGCOgO CUI'Oj~LjJ '> *d'<j i/jy/ rmPfidtlQ --* vyj*U' sjiw^r vr^" .-VWV^IJ) v?w ~ivofS3q)^50 Z4?*9/U Q9SI-L 10 17/,+ V'ija*tor&4s/<?4A4-s '/?-$& xf'H ------------------ i---------- , c/arx/vp up vurfq joa^sj ^NM-a'x ^ r^aoaM s OdOAH XV^ON d ' > '& 1'J o-2/ap ->r m [ A 'XfflMMV* 'VVfW'VS'X.Oj 2V r- ^ >f ">cTWhW~JF73 O^OAH xW F737 0-aOAH 'rtSaoN jaqiun^ xaiax */puB auoqdaiax ssaappv XuBdiuoQ UO\\\SOd dapuauv bibl -OQ aea >lN.30Vl<j ONixaaw noixvioossv Axaavs aainoaHO tania i nuvoo. rrtSJJb) 9LUB^ XUBdUJOQ uonBooq V IN Y L CHLORIDE SAFETY ASSOCIATION MEETING 4 O* cr /o o <u m Q I o X a c o Va V IN Y L CHLORIDE SAFETY ASSOCIATION MEETING A VPE566825 ---------------------------------------- " 11 w ".'5T^W 'i0'iUC>"On004LVJ 1 \ \ tbPWQK - b80 m JtlL-l'rza Utl-6- )'2?Q -fU.7 "1-V J- "OnWW&Q^-wl _'(>') , yar/soy^ lLrn*%s ?nd~f V5v'"/v '-rfC 1/UV30U3 /l/v7!?>?cuxsiy '^3 h o rv^ M'BUTS^^OTA w>j t)V9a 3IVJ3H0 tt3 >l^vrv\ l A/.C ~/(S -< L,eo4>s 10Z-J&- &2 /'zzzc -x?l '></ i)ZU6/ ^202 /te-faz-/#?' /W(? T32ty / b X7& 'M /&/ jaquinn xaiaj, ssajppy XuBdmoo V pun auoijdaidx / '^+p-*IQ vi/ng f V/vf/xp* 7 "3^7 ^"-5'vo# '>D v^//"i J/y JKT 7#/'/?? / uot;tso<j dapuauv ' t>8bI JrTO i8a X\N3PHd 0NIXH3W NOIXVIOOSSV AX3JVS 3OIH01H0 TANIA O^ONO^ V-LSIfN 9UiB^ AUBduJOO uopBooa VINYL CHLORIDE SAFETY ASSOCIATION MEMBERS AND PERMANENT REPRESENTATIVES AS OF OCTOBER 1984 Akzo Zout Chemie Locatie Rotterdam Drs. H. Steegenga VIM Production Manager Posbus 7020 3000 HA Rotterdam, Nederland b.V. Air Products Mr. J.T. Barr Manager Regulatory Response Plastics Division P.O. Box 538 Allentown, Pennsylvania 18105 (215) 437-8343 AISCONDEL S.A. Mr. Salvador Cebolla Plant Manager Vi laseca/Tar r agona Spain Borden Chemical H.R. Jepsen, Jr. Mgr. Manufacturing Services 511 Lancaster Street Leominster, Massachusetts 01453 (617) 537-1711 Certain-Teed Corporation Mr. C.A. Gellner, Plant Manager P.O. Box 253 Sulphur, Louisiana 70663 (318) 882-1411 Vista Polymers Richard Frohreich Chief Process Engineer P.O. Box 91 Aberdeen, Mississippi (601) 369-8111 39730 Dow Chemical Company Mr. Robert R. Oubre VM-EDC Technical Manager P.O. Box B Freeport, Texas 77541 (713) 238-9455 Diamond Shamrock Alberta Gas Ltd. Mr. Derek Bennett Manager Safety, Health & Environment Box 3418, Fort Saskatchewan Alberta, Canada Electrochemical Industries (FRUTARCM) Limited Mr. O. Wilinski Vice-President, Production P.O. Box 1929 Haifa, Israel 04-912231 Telex 46289 EIF IL Enichem Polimeri S.p.A. Mr. Gianni Benetta Manufacturing Process Manager Milanofiori Strada 2 PalazzoF7 20090 Assago (Ml) Italy Telex 02-52026567 Esso Chemical Canada R.W. (Bob) Noble PV2 Operations Superintendent P.O. Box 3004 Sarnia, Ontario, Canada N7T 7M5 Tel. (519) 339-2891 E.K.O. Chemical A.E. Mr. George Younis Plastics Plant Manager Diavata, P.O. Box 44 Thessaloniki, Greece Telex 41-2311 Formosa Plastics Company Mr. Bill Hager Box 329, School House Road Delaware City, Delaware 19706 (302) 834-4575 Georgia-Pacific Mr. J.F. Gabbett Technical Manager, PMC P.O. Box 629 Plaquemine, Louisiana (504) 687-6321 70764 - B.F. Goodrich Company Mr. Herm Waltemate 6100 Oak Tree Boulevard Cleveland, Ohio 44131 (216) 447-6498 UPE566S27 I k 2- - - Goodyear Tire & Rubber Company. Mr. Dan Snyder, Production Manager 5409 Baker Avenue Niagara Falls, New York 14804 (716) 283-7682 HuIs Dr. Wolfram Pabmann VCM/FVC Product Manager Cehmische Weke Huls AG Geschaftsberich 3 Postfach 1320 D-4370 Marl (Germany) Telex 829211 0 CWD Imperial Chemical Industries Europa, Ltd. Mr. Geoff M. Hodd Vinyls Technical Group Everslaan 45 3078 Cortenberg Everberg, Belgium Tel. No. Brussels 731-6900 Norsk Hydro Plastics Mr. Sune Anderson, Production Manager S-444 01 Stenungsund, Sweden Telex 2437 Keysor-Century Corporation Mr. Kenneth S.K. Law Director, Engineering Department 26000 Springbrook Road Saugas, California 91350 (805) 259-2360 Telex 67-7239 Mitsui Toatsu Chemicals, Inc. Mr. Kenichi Yoshida International Department 2-5 Kasumigaseki 3-Chome Chiyoda-Ku, Tokyo, Japan Telex 0222-3622 (MTCHH4J) Petroquimica Mr. Rodolfo Gedeon, Plant Manager Apartado Aereo 1707 Manomal, Cartagena Colombia, S.A. Telex 37747 Polimeros* de Mexico, S.A. de C.V. Mr. Felipe R. Montiel Vosques Verciruelos 190 Vosque Velas Lomas Mexico 11700 Nippon Zeon of American, Inc. Dr. Marty Matsuo "General Mgr., Technology & Project 201 East 42nd Street New York, New York 10017 (212) 972-0243 Horsk Hydro A.S. Mr. Per Rangnes Production Manager Forsgrunn Fabrikker 3901 Porsgrunn, Norway 035-51120 Telex 21764 HYDRON Norsk Hydro Polymers, Ltd. Mr. David Middleton, Plant Manager Aycliffe Trading Estate Darlington, County Durham DL5 6AN England 032-531-5122 . Occidental Chemical Conpany Mr. J.A. King Manager, Environmental Corrpliance P.O. Box 699 Pottstown, Pennsylvania 19464 (215) 327-6749 PPG Industries Mr. Roy Stack Sr. Technical Service Engineer One P.P.G. Place Pittsburg, Pennsylvania 15272 (412) 434-2403 Linburqse Vinyl Maatshappij (LVM) N.V. Dr. Albert Barthels Tsssenderlo Chemie - L.V.M. Stationsstratt, B3980 Tessenderlo (Beigie) Pequiven Jose Perez, PWC Plant Manager Apartado de Correo 159 Maracaibo, Venezuela Telex 62366 PETRO VC Tenneco Chemicals, Inc. Mr. James W. Kachtic P.E. Manager, Environmental Sciences P.O. Box 849 La Porte Road Pasadena, Texas 77501 (713) 479-3411 VPE566828 -3- Union Carbide Corporation Merle Eisenhower, Principal Engineer P.O. Box 471 Texas City, Texas 77590 (713) 948-5518 Wacker-Chemie <WBH Mr. Herbert Deuschl, Production Manager P.O. Box 22 8000 Munich 22, Germany 89-2109-494 Vulcan Chemicals Mr. Donald W. Malcolm Superintendent MCF-II P.O. Box 341 Geismar, Louisiana 70821 Solvay & Cie Mr. Robert Bonny Mgr., Manufacturing Department Central Technical Office 33 rue du Prince Albert 1050 Brussels, Belgium Telex 21337 SOLV B Prcmociones Industriales Mexicanas, S.A. (PIMEX) "Mr. Jorge Zarate M., Plant Manager P.O. Box 64 Carretera Resurreccion No. 73 Puebla, Pue, Mexico 29620 (809) 835-3030 Telex 178258 PIMXME Shell Chemical Conpany Mr. R.G. Heller Process Manager V. Operations P.O. Box 2633 Deer Park, Texas 77536 (713) 241-2931 Shintech Mr. John J. Yonge Supervisor, Environmental Control 5618 East Hwy. 332 Freeport, Texas 77541 (713) 233-7861 ' State Establishment for ?, Petrochemical Industries S.B.P.I. Dr. Ahmed R. Mohairmed P.O. Box 933 Basrah, KHOR Al-Zubair, Iraq A VPE56682? V IN Y L CHLORIDE SAFETY ASSOCIATION MEETING 0 VINYL CHLORIDE SAFETY ASSC ATION MEETING Location __ Company Name Daw i Atten dec Jji 0u66.e b-C_____________ Date q OCT ig K Iti Position Company Address Telephone and/or Telex Number Tic/. F.o.fiiXV. 66 FmWtv 77rv/ Va? 29% 9 ftJ~j~ \ pa LI M CTU Gianni &Qvl v TAr fVC TC*WcLc6V fa^>GvC Tvco K6K. KiLAfcJaRe&i - PAL-F7 ^T^AUu-MVo f (TArt-V OZ-SlcZC^G^- E^SO CH6H^cAL c^naoa JIH WALLACE pYCT^C^^jCSto^ PO Ruv t>q SA-RNIA OMTARlO 7sTVrjvTT3^ 1>o . fsri9) ^9- 6nfe MlUE SfEUflFF PVC- opepjtnais fo fey: 'Vx* s**xl//k /^ijr fdrnMs -fctf) 53l-(aOl?- &K.0 1a*W MV A Kf DO Au J ij'y PVC PtaOufr Oki CHEHiCAL A'E P.O.Sa* IOGMU THCWAtOft/nyCffj k* 03l-760-mj . RjGJKOSA o3cn oj:->i /... ---------- _Xn.j. ^tYVfr /^fc2J ChAW/'J /*t*/*rrr fhoZb ksA'nri fxtfa/ CJSAfa <sjxecr. 2srt>. /?.cj4 M* <L SpMffititk___ l/CM_vuf0/____ __ IZi----- rr/2)?p?->6< // ________r^._______ 1-- itfixStoScUvotltv^Jf /#* J^cXjST'1 ^Vl /*v l^&fj,Xth/4 _ . / -" fcL ' ^%M y> t -U^ V IN Y L CHLORIDE SAFETY ASSC .A TIO N MEETING Location (tVC 77) M VINYL CHLORIDE SAFETY ASSOc. .\TION MEETING D,C___________________________________ Date T OCT Company Name l-V.M i VCEYSOC. ~ CENTuRY. Attendee TftjttAX I4rt Position PU*t AaAaC/ft 4 Company Address fiPffS* fdlfc- AULLY Uj AJvfi 1 * Y?/J La-w i/. P. aioo Smu6-&aK jh> SAiie,TM <^a %?a Telephone and or Telex Numbei 2i m 1 MITSUI TortTSU . NOtSK HVDC-O NORWAY fJORSK HYDP-O OLf\ MI Pjf3 |cariM*.*aAS*L- { J rClv^vns^A ci* `TrVy'fi ' /V'-S**! - y^ottVAY tV7 3-//Zo. JMCrro<2 i\ NfVio^ /Lei/ffe faKutiCToiJ c- WlfAti E^L*rNb. o306- i>i- 5>2l. NORJ3K HY DR.0 SVJEOETKJ / c-o pOloo>oil CO 1 Location VINYL CHLORIDE SAFETY ASSOe ./TION MEETING Date Company Name 0 CCASEfJTiVl i P.P-c,. Attendee Position Company Address Telephone and/or Telex Numbetf 3,tc Lf5Si|j| ficAr rt* Krt4c< P-O* &OK& APPiS, LA, TOT/o /-?v/ ft e 1^ /^/c /Wi ? rv /vy 7^a!ia-/m * /i/ 5-0-/-3J3-4o<?-j 7/S 2.H Sfy f Jrn Kachtxck AIM - tfA/v'* St/. f>.o. Be* B4? PASAP**/A . 7E* 7?J* 7/3/S** ~ 3o. Khog- MgK &uV Com*um ^ Box 6?7 po-rrsrouu P,A;f46<l- i^r 3*7 674-9 ClarKS.^^BYttH C^pgmilcM^ Sv/pe* *5 <&YC P o . $0)C |t>00 Ufcf GlA/ugt (A S PED^O MUTZiU^ EmmJ&DNHEUIH. 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J 33ier /( ' Guta** / Tx ftf- Z? 3-?^/ ,$Cll-V*Y frfiwye- <rtUC.LY MISZIEj Uqrfttf kWiovrt n/<F-nz *Kokj/o^ P^X*x>T tu>CUcCXpy. jEoLV/y^} RwxyV>d^o - (ZjCLw-o ^ /O -0--Z-/.-l---z-G--S--.-U- :i-l-- <T^NMeper^ UN low G:fv(2-6'De ' '$bl tWW__ l_ --q=j w_fIusAjCCt cmcCGcnnKO 1 ___ 0, /V *11 "r21 ^---(-U/f, DC Vidb 1 i' 4t4ib(l4z: * {Jcoy-7/ -?? --[& x?2l V )Cf*&{&C> fs*y302<iy Y9 tc*7>tf)*a]Q) A&&I yo<z Q`<L OQTlWcfW&l </yi Nfme> cqjSfy Yrs Y -ta-6/ O-J (^OLtpaq**^ =*Q -^clL~^Ki f<,vr+tfJet/oi& ~<rrJYrrrj- Y~zWl(W<ltl3t &<rrvnh)V3 <7 JWrJXM 4/.VI yy zss "-*& ,7j/ jy,j s^y/ J-J,^y v/V^/^/7 .J9yaj^ XsvyS"'^ -7 y j' VLS ;/> frfrfr) fr01*-bp 'ij mmr)\i ooeg ' Jxosro^ 'OPVJ^ '^oo^ 1W/W3(T l3$IV3ft 3>H3H^ s r-jOO ~U3 ynAfp\ sC o- c?<s*?- ' 'f><7j* 'Zh.f*icC -its-i*- J&7F- q/gcg. r? 's&h's's*? A J<s-<yy Ar-u^noft UoU?0& ^sun?**Tnmr-T&*w <r< AV?l/l/? ^ tVH<KQ~o <^Z -/_<?. <t/i </ * t/ 1/ S*z& 7*Z /XPfJ>/7 /-3*^ TZT^7T^I7Z Zfr/tTg^jwf-/ %M6/**<?# ' JoquinN xeiax ao/puB auoqdaiax sso.Tppv AumIuiOQ J/Zrw^fY' *agj>y~, VW") JLT-mnrr; UOIllSOcI oopuonv S~)t01Ki3 H"} NhfcCTmA, 3^3WAnO(J-^j.S)A DUI8N Auodwoo 7^t)l -J0? tp " aiCI O-Q rJQLWiMJrVr^ ONIXH3W NOIX'"OOSSV AX3XVS SCriHO'IHO 'IANIA uopuooq T= j] From tib& R.a<l mi ~Tcl~ F VIS1A Date & -- Uo" &C> (X*-4-v\s /Z^/^ >. ft- VPE586837 /THE VINYL CHLORIDE SAFETY ASSOCIATION Secretary J.R.Wallace. Esso Chemical Canada, P.0. Box 59, Sarnia Ontario, Canada. N7T 2P1 Tei. (519) 339-2284 April 14. 1985. To Members of the Vinyl Chloride Safety Association: The date and location of the 1985 meeting of the Association are confirmed as Thursday and Friday, October 9 and 10, at the Hotel Washington. Pennsylvania Avenue at 15th Street Washington O.C. 20004. This Hotel is located between the White House and the Capitol, in the centre of the main visitor attractions. The Hotel itself is steeped in tradition, but, thanks to recent renovations, offers contemporary luxury facilities. A reservation card is enclosed. For direct communication, call <202) 538-5300, or in the U.S. toll free 800-424-5900, rooms should be reserved by Sept 12, do not forget to mention the VCSA. You should arrange to arrive on Wednesday, October 8. The Hotel is a 15 minute cab ride from the National Airport, or, by subway, 2 blocks from the Metro Centre Station. From the Dulles International Airport the most economic route is to take a Breyhound Bus to the Capitol Hilton, and than a taxi five blocks to the Hotel. The program chairmen are busily putting together the agenda, and request that you communicate your needs, ideas, problems, suggestions, offers to present papers, lead discussions, or conduct surveys, complaints about previous meetings, true confessions, and anything else that will demonstrate that you and your co-workers are contibuting members of our organization. They may be reached by telephone or mail as follows America Larry Peyton - Formosa Plastics Delaware, P.0, box 320, Oelaware City Oe. 19706, Phone (30) 836 200 $>Zr Europe Ola Aas - Norsk Hydro PVC Plant, N3901 Porsgrunn, Norway. Phone +47 3S 51120 I look forward to seeing you again at another stimulating and informative meeting. As a contributor , you will find enclosed a copy of the completed rupture disc survey conducted by E.C.C., with apologies for the delay. Note that this is the only copy of the report coming to your company, please ensure that the participating plants recieve copies. Yours very truly J.R.Wallace. VPE566838 VINYL CHLORIDE SAFETY ASSOCIATION P.V.C. REACTOR RUPTUPE OISC SURVEY M. J. Bate - Esso Chemical Canada Summary of Responses (Tabulation of the raw data is attached) 1. Number of Respondents: 38 2. Rupture Disc Set Pressure: (i) Consider (Rupture Disc Burst Pressure 0 Burst Temp.) X 100$ Reactor Vessel Pressure Rating Average for all Respondents Standard Deviation Range: Low Value High Value - Q0.0% = 14.7% 60.0% =115.2% f Note; 14.7% of respondents are operating with a higher budst pressure than V.P.P. In each of these cases the dlsc not in series with a safety valve and therefore was* likely not responsible for primary pressure relief. Several respondents provide multiple discs on each vessel each with different burst pressure and capacity. (ii) 62.5% of respondents operate with the rupture disc in series with a safety valve. Of these respondents only 36% provide for some loss In safety valve capacity due to the presence of the rupture disc below It. The average assumed capacity loss for those who provide It is 11.5% (range * 1 to 20). (ill) Manufacturing Ranges of Rupture discs: % over specified pressure - Averaqe * 3.9% (43% specify 0%) Range * 0-10.9% % under specified pressure - Average - 2.8% (38% specify 0%) Range 0-10% 73% of respondents receive their discs without special order from the manufacturers to attain the required manufacturing range. 2051 D/1 VINYL CHLORIDE SAFETY ASSOCIATION P.V.C. REACTOR RUPTURE DISC SIJPVEY 2. Rupture Disc Set Pressure: (cont'rO (iv) Burst Tolerance of Rupture Discs: Average = 5.1% Range = ?-ll 86$ of respondents receive their discs without special order from the manufactures to attain the required burst tolerance. 3. Rupture Disc Types (i) Rupture discs in use on PVC reactor vessels: Type % of Respondents Prescored A Buiged Prescored Reverse Buckling Reverse Buckling Knife Rate Conventional bulged (iil Rupture disc materials: 32.5$ 17.5$ 25$ 25$ 5- Material $ of Respondents 316 SS Nickel Inconel Aluminum Graphite 47.5$ 37.5$ 7.5$ 5$ 2.5$ (iii) Disc orientation: 15$ of respondents specify J-bolts to prevent Improper disc orientation. For the respondents who do not provide J-bolts# the techniques for assuring proper orientation are: Training Special Holders Identifying Label Nothing Done -29.4% -44.1$ -17.6$ -8.8$ (iv) 47.5$ of respondents provide some type of torque requirements during installation of the rupture discs. 2051 D/2 VINYL CHLCPIPE SAFETY ASSOCIATION P.V.C. REACTOR RUPTUPE DISC SURVEY 3. Rupture Disc Types: (cont'd) fv) Pise types not recommended: The ma*n types of disc not recommended were reverse buckling knife gate discs, and graphite discs. The major reasons given were due to unreliability of the reverse buckling knife gate disc caused by corrosion of the knives and reversal of the disc (causing increased hurst pressure) caused by cycling pressure or overfill conditions. Graphite discs were noted for fouling, cracking, and splintering when broken. 4. Rupture Oise Leak Detection (i) Leak detection techniques: Pressure gauge Pressure switch/alarm Red ball indicator -45.2% -48.4% - 6.4% (Note: Many companys use more than 1 device). (IT) Venting techniques for spaces between safety devices: PG and block valve Relief Valve Excess flow valve Not vented -25.8% -29.0% -29.0% -16.2% 96% of respondents who vent this space do so to atmosphere. (iii) Pise Inspections: Almost all respondents visually inspect the rupture discs in place during a vessel entry or by using a lamp and mirror. The frequency of the inspections varied widely from every few reactor cycles to once per year. 2051 D/3 VINYL CHLORIDE SAFETY ASSOCIATION P.V.C. REACTOP RUPTURE DISC SURVEY 5. General (i) Fouling prevention techniques: (in Appl v anti foul ant Use teflon coated disc Water spray Other Present areas of concern: No concern Premature failure Fouling . Handling/Instal1ati on Overpressuri ng -35% -16% -16% -33% -48% -13% - 6% -26% - 6% (reverse buckling knife gates predominately) (reverse buckling knife gates predominately) > (11i) Premature Rupture Disc Failures: 53% of the respondents experienced some premature failures in 1984, The major reported causes were: Improper installation and handling Process conditions (eg. cycling pressure) Poor quality discs HPW damage (iv) Overpressure: 5 respondents reported having had overpressure situations In the past when rupture discs did not properly operate. 3 of these situations occurred with reverse buckling discs due to dull knife blades, disc fouling, and disc reversal during a liquid overfill. One overpressure of a prescored and bulged disc was caused by a bad housing while the other was caused by pressure accumulation above the disc and fouling. 2051 D/4 VPE564S<12 ^id fS V>* ^ O -% r>4 <9 - -a -- * ? 'i :? KC A i--0 oC A r1/-1 a gNt <0 -- -- Ol US - L U> -- l C 3 0 O >0 O rv - -- C cO -- > ifiR ~ ^ -- c -. -- ^ Oe -- c3 i c 3a .o Sg O 41 * - u - jl a L -- * aat 3 -- -- "5T i. a at t o S i? *O NNN 0 >i 0 r s *3 ? 2i !is -c - - ^ ec n e o to - - - am -- w0 -*o MOO -N C h 3a --S 30OXCC'Ot0 Zi : SmC *. C s i - -A! O --30 o g =* a *u** > 0 C 9 i C W ^ mva ~ OOC SO. -- 5 a- - a g|gXfA tO 00 s0^ c + a -- v o ' e -- i/i V0 w*k !*2 L O oco > c to0n -ao* *v e * i > 0000 0 a0 0--0ox c i 8*--c oui k0 , _ O0*c 0O C i0. -0*M --03 m nui s o W) g ui 0IA^U1 *r* S n * >in8f*% 6o g- = Vt 3 I* -- >* -- -- -- t> O ^W U~ % 2--Z2 -i* i a ?? z a-a bm |2i2--S . > -- -- - c PO 0 0 0^1 3 to JJS -- c 0V 00 33 9^ QH *4 M a --C 0 --- o v *. TS -- - 3 *0 INI * OC ?*> a-- c ik i 4C C *O i JU: ? : kM --0~ *-04* --k0. * 9 a. O g-~ M a-- VI u> i c3 ue i u g s. 3. f,,iM8_ QQ. C. ua is) ia/n3^3^ L 00M0 3 f t3 - - 3 v. Ok42 iL.O? - 2^ ea 0 3* AC u u aL g jcO^Q O > -- ^ --C0 4~J U0 >a u me--- 9 0 CC 0 t> c a L O COl > *- C 0 -M s l 2",U a o m 0 e > o u9 ^ a -m 3 ? 30 vCM3f0l coc uxc0 .c o ^# -- A1 O0 3 .****" 0 a -0t 0O C0 CO 01 0L j 3 3 fl. U c a o a> o^ ^PE566S43 n0 o l3 t > C 30 0 0 0V 0 000 :; i: 0 0 >0 i. L. 0 C >>0> 0 TABULATION CF RESPOND pq 2 of 7 Designation Sat Pmiurt Cons idarel ibm Reactor Sut (US6) vessel Reting (psigl RO Sue < m. ) In Series with SV ' 0 Burst F ?2F (psig) Design Burst 1 <f 1 Burst P B Burst I (psig) Hanulecturing Range-over/under! 1 ) Special manufacturing range 7 Burst tolerance <* Special burst tolerance 7 SV capacity red'n due to RO (I> 5V sett ing ' psig ) RC nanufecturmg and Installation 0 Type Manufacturer Number of discs par location disc notarial Oise orientation davica Jerque requirement* ussd 7 Discs not roeomnandad-typ# -reason Lash detection device Vent method for space ebove RD vent dcst mat i on Press monitoring frea for specs Frequency of RO leaks Frequency of RO pin-holes RO fouling prevention method PO inspection frea (react cycles) Type of inspection RO replacement freq (mo.si General ^resent concerns Number of failures in 1984 Failure ceuses-l. -2. -3, Overpressure ever occurred 1 Overpressure amount (psig) Last overpressure Overpressure ceuses-l. -2. Other comments C-o m cio>n-- CD -.fpc>> i H lJ KL n 2BOB 388 12 yes 3)2 363 27# S/S no 2 no 2# 27B 34189 389 6 yes 1 98 182 5.9/1.6 yes 2 yei B 185 I080B 1 SB 6te no 185 no 5 no none 90 6988 235 5.91 yes 158 232 19/18 yes IB not eveilebls 232 3780 286 6 ! 228 2)2 IBB 188 28898 221 26i1*8 yei(for 6* RD*> 237 299 6"-2IBi8'-22S 2 no none 298 K8<4 rev Buckling Coni mental 1 SS 316 none yae Crosby Pinheting press, gauge not vented every batch never never water spray eJ< par year visual <12 praacored+buJgcd Oseco -9857-81 4 55 3I6/TFE/SS3I6 special holder no Oraphite/bress crecking/reacts with UCH tattle-tale gauge none atm rsvarsa bucklino 6S&B 5-99 22 nickel J bolts yes ' all others premature failure once/year rare nona nona Close to vessel none 12 24 prescored*bwlged Pike.Poly 5-0 iSB 1 316 SS nona no raversing Hot allowed by law if hydrostat possible. Pressure ind. none 6V BSLB 1 SS/TFE special holder no pressure md. none 2-4 1 par year only once Hash every batch 1 visual 2-6 SBt of sll ROs 5BX of sll ROs RO on cooled nozile daily visual 6<due to leaks > rev. acting inser Coni menial -*8ft 3 3I6SS/TFE special holder yae PI nona once m 3 yrs coolad noule 2-3 visual 8 Plugs balow RO S Poor Quality RO no Cannot inspect 95 press/vac flexing high temp. no iGood experience with Continental discs Host failures due to prosture/vec cycling none non overpr*uf Setisf ted none none 5-28 Paulty manufacture no :CorrosionJ of SS ROs led to failure; " Ho probisAe Hltfi nickel discs.V :Pressura;tes( if vessel removed Iron *ervscgyf'frffti,'f>"11* yea 2IS 1982 Bed-up pressure Fouling Vecuun supported discs susceptible to fouling. no lUse PI lo detect pressure above RD .`Coal nozzle under RO lo prevent polymer wet ion. none d'S *nufct\jr ro Designation ;wr: Pressure Cons I dere 1i ons *.ee:tsr 5i: (US6) 'tsis. Rating IpsigJ Sv '-Z :.; .' . j t>i (in,) ~Z iv5 9 f 72F (png) 1/ti . y 3ur r. 1 >F i b^rtz 9 0 fui"11 J <ptig) '|r.Ji;tur ; <ig Range>over /unger< t I oSet.ai nar>jfacturjng rang* bm'f. tolerance (1 ) 5pei.s: burst tolerance ' r. ucecit. rao`n due to RO (Z) 5J sell I ng (p ig ) ;C te-w'ec tu' jng anq Installation ^Ur ' ; ^at1 as lur *r h-mier of disc* per location l'i a: %tari a 1 Cisi jriantation device requirements used 7 Lises net r-connend*d-typ 'reason .e selection device vent method for space above RO vent 3eali-4t)0A 'rest monitoring Iraq tor space * - eaency :' RO leeks 1 'eMCf ;f RO pin-holes *0 'ruling prevention Method -Z .- i;ict;;n freq (react cycles! <st i' inspection RD 'SOleeavwent freq (no.s! r*tir: csnierm S-nrr* of 'allures in 1984 ' a:. -re ca.saa- I . -2. -3. :.-y*ssv-e i<ir occurred , r-.e-r-essw-e enount tpsig! ast :#ro-assur# i-e'^'esjure causes-I . -2. : *.nar romne*!* C (iTm>J*.: iC4c>5rOt.. TABULATION OF RESPC. JS pq 3 of 7 No p 6600 250 4 no 176 274 10/0 yes II yes none 7251 312 6 yes 276 176 256 s/e no S yes 256 S3B0 _ 6 175 250 S/S 0 2S0 ptem ISigri-n grephite none no E1fab-Hughes Cannot instell between flanges. Scored 6S5B-6FK or S-90 I SS J bolts yes 8S5S aese RO nay reverse against knives without rupture pressure geuQe etn every batch none once/ngnth visual 24 disc location daily visual 1000-2000 belches Rev buckling Johnson flat they J nickel arrow on unit no non* P6 with ind manual valve it* every batch Z/yr never nono i vi suel el failure no na a Tension problem none e yes 214 1901 Sad housing no : Tension free mstel lei ion in a nclal 55 housing. :*hewftt pipe should be larger than inlet pipe. Bed eapenence with BSLB R090I see above ! Wrong installation. handling or knife denage 0-5 per react. Deformed by cleaning Urong joints no Interested in disc aystens that prevent wrong irsitftilaliens. work for liquid and for vapour end can be cleene^ikth^ut RO damage. ) & 20000 224 6 yes . 150 21 ! 0'0 na 5 no 1 .4 2M r 6600 217 S no 277 155 2S0 11 no 5 B450 217 e no 277 150 254 M fio " Prescored'Bulgad bu Igcd File roly 50 6553 typa Bv 61 nicks! 3I6SS disc teg nono no non* reverss buck 1 ing graph!t ,rav.buck. Engineering dept doefouling.hydresi*1Jc bu Iged BSIB type 1 1 3I6S5 non* none grephita fouling not ellow them. overfill P6 end alern * manual valve _ etn ~ continuoue none in 3 yrs none in 3 yrs reactor coat mg 150 visual 24 Alufoi1 under disc Allu-foi1 under 4 *150 Curvature gauge replaced 4 belches.Re-use 150 if inspection OK Occasional pluggege nor>4 none nont none none r yes no 305 1975 overfil1ed TABULATION OF RESPOu. ^3 pq 4 of 7 Company Designation Sal Pressure Consideration* Reactor Size ( US6 1 Vessel Rating tpsig) RO Slla i in. i In Si- ie with $U ' RO Burst P 72F Design Burst T (pstgl (F Burst P 1 Burst T (psig) Menufecturing flenge-over/under<1> Special manufacturing range ? Burst tolerance (Si Special burst tolerance 7 $V capacity red`n due to RD ill SV setting (png > RO Manufacturing and Installation RO Type Nunber of discs per location Oise Material Disc orientation device Torque requirements used 7 Oisce not recomn*na*d-typ* -roeson Leek detection device Want aethod for space atiove RO Vent destination Press monitoring freq for space Frequency of RD leaks frequency of RD pin-holas RO fouling prevention nethod RO inspection freq (reset cycles) Type of inspection RO replacement freq (no.si Senerel Present concerns Nunber of failures in 1384 Failure causae*1. -2. -3. Overpressure ever occurred ? Overpressure amount (psigl teat overpressure Overpressure causes-l. -2, Other comments c T1 m o00 -oP.- T u V Ui V 2BBB 300 3 yae its - 2IB/2B no 2 ftO IBB reverse buckling Continantal-2ep 1 316SS holder guide rings yoa non pilot valve pilot volvo tn . every 2 weeks none taflon liner IB press, test IB eyclee 4BBB 309 3 1_63 >80 in no 2 B I6B reverse buckling Continenta)*Zep 1 3I6SS holder guide rinos pilot valve pilot valve atm once every 2 uke . teflon liner IB pressure test IB cycle* . - no _ 10/$.2 no s no a. - yes - IB.9/6.7 no S no NOA - 132BB 24B 8 no i as 232 2/2 no - - - - 24906 2BB 16 yea 195 183.5 190 0/3 no s no 29 .290 Oust Prase.* bulge Proquip 0U68 2 5S/TFE/SS Speciel holder nickel-sealed Pinhollng due id P fluctuations. P$ ar>d alarm IB pslg ral. viv. atm - non* since '6$ non* since `65 ueter spray 1 visual 6-12 Pres * bulge w/ Vi Proquip OVBB 2 31B55/Inconai/31bib vent side marked ye* reveres buckling Corrosion of knife blades. P switch * alarm IB estg Nwpro RV tft IS sac nono non# Fouling inhibitor 4BB Visual!lamp'mirror I B Rev buck/knife Continenttl-Zap 6 3I6SS non# no - P alarm switch manual valve In conitnuous < 1 per year Only once TFE lined RD SBB visual in place on failure Prescored * bulged BS46 77-37-009-5 4 nickel J bolts no Tall-tel* * P switch excess flow valve atm - non* Fouling inhibitor 10-15 visual 12 Installation of disc holder on rooctor S-20 bed holder mehandl ing corrosion yes 1 SB I9B4 fouling -Follou manufacturer' inetructtone. -Bench P tost ovary disc before use. -Most Important to I assure ovon torquing of disc in holder end of holder in flanges. i i Installation of disc end holder S-2B Bed holder Handling of unit Corrosion yes IBB 1964 Fouling -Follow manufacturer's Instructions. -Bench P test ovary disc before use. -Most important to assure even torquing of disc in holder end ef holder m flanges. TFE pinching during inetellet ion. >2B Pinholing of Nl RDs Pinching of TFE line Installation B r damage Inspection freq. Ou fcnjvos. Corrosion non Sat11f icd 9-5 Hy Or Oft I * t|c 9rfill no no Nickel tested duel element ROs Apt recomnendedfdie to turt lebeeking.'v TFE discs repdire careful msteltetion ye* 39 1984 Dull inife blsdes Valve leek under RO in a duel assembly Must no initell properl TABULATION OF RESPOND pg 5 of 7 i Comoany Designation l Set Pressure Considerations Reactor Site (USG) Vessel Rating Ipeig) flQ 5ua < in. > In Sene* with SV 1 RO Burst P 72F <p*ig) Design Burst T <FI Buret P 9 Burst 1 <pig> ftanuf actur mg Range-ovar/under t X ) Special Manufacturing rang# ? Burat lo)#r#nee <X! Special burst tolerance 9 SV capacity refl'n dua to RO (X) SV setting Ipsigl , i ! ' 1 1 IBM* 27# 12 yes 312 363 27# 2/2 " S no 27B 43BB 299 B ye* 297 167 299 9/0 ye* 5 no IS 210 16699 39# 12 yea 29S.S IBB 221 e/s no s no 15 2 SB 4999 227 4 no 227 - 9/9 yes S no 4399 259 4 no 249 - 9/S no 5 no 0 Manufacturing and Installation RD tr0. Manufacturer Hunger of disci per Loeetion Disc Material Disc orientation device Oisca not reconnended-type TMIDlt Leak detection device Vent nathed for space above AO Vant destination Press nonitoring frao for space Frequency of RO leak* Frequency of RD pin-hole* RD fouling prevention nethod RO inspection frag (react cycles! Type of inspection RO replacenent free (no.sl Revsrae acting knife Continental KBA 1 316SS Knives prevent error yee atunlnwM ,*iIvor HC1 corrosion tattlatele gauge etn - '2/yr *2/yr ant 1foulent,wet#r spray 190 visual 12 Prascored + bulged Rev buck. bulged BSfcB 6FN 9S4B-S90 8S4B-8V 16 16 12 Ni Ni Ni Oiae Tab Disc tab Oitc tab Vaa yes no Type OV/ BV under SV -fregnantat ion -cyeltng P P switch * ind P switch <- low P relief valve <- <- atn etM - - nra 1 y ntver never never nv*r novar Inhibitor HPU wash" 1 nonth to 1 year viaua1 5- 12 Senere) Present concern* Nunfear of failure* in 1904 Pallor* causeS'1 . -3. Overpressure ever occurred 1 Overpressure enount (paig) Lest overpressure Overpressure C*w*e*l. 2. Other connants Motile plugs under duct. 2 7 no ~mcD oor L>. CD -si -Oanage by MPU wash -1"proper torguing 6-19 anage by MPW Inpropar torguing No - GFN and S90 RD* are prana to danag* by HPlf - Nozil* plug* uara csnmh until inhibitor u*d AS AC AO 14090 232 4 no >99 225 - 16999 399 10 y* 263/283 196 295-215/269-276 no no non# 2IS/2SS 16519 399 12 yes 199 2S9 S/5 no s no none 231 reverse buckling 8S48 RB-99 ? 2 Hi nont yes - excess flow velva excess flow *<lv# * very seldon very saidon non# eei randonly each year bulged rev bud . 1 unscored BS4B ElfaD Hughei Rk76 21 mekal 316SS sandwich links Oise tag yea no reverse buck lino graphite .scored Preneture failure in frsgnentation cycling service. P switch * alar* P gauge 19 psig RV 4tR 19 paig RV OtA 1 /yr none causing P inhibitor coaling 399 visual 12 n#v*r never inhibitor coat mg 139 visuel 12 none 3 pinhole leal* -hand)ing h^oro*t at * de fornalion not recently no -nim*i / piping between RO and reactor . -Paps'" galls:! allow 1e> *tight icals between RG and nol Per . -2 RG* in aeria* are uniatisfaetary Qua to me incii-wavi effect of tre firit diic burstirg. i I TABULATION OF RESPON J pg 6 of 7 itiny Designation t: :rtnun Consideration* MICtor Sll .eisel Rating -H Sj;e iirnt with SV 1 K Burst P 0 72F Cestgn Burst T Burst P I Burst T henufacturing RanQ-Over/under( S> iceciat nanufacturing renoe 7 ij-sl tolararea <1> isecial burst tolerance 7 yj capec > I y r ed'n dua to RO <X> is sat 11no < psig) 0 Aenufectunno and Installation WTypa term on Disc orientation BsvTCV Totqus reouirenants usad ? Dues noi raeonnandad-lypa -roien List detection device Ve"l nethbd'Tor_Voaea~sB6vfc RO vent desVinetion ^iiflionnoring freo for spice frequency of RD~leiV's " ' ~ " r-aeupney oF HD pTn-holad- 0 fouling prevention nethod *3 inspacFion freq Treact cycle* '.5# of inspection lZ raplacanent freq tno.sl i***r*l it concerns *<*>0#r of failure* in 1984 'si lure causes*I. -2. -3. iverprassure aver occurred ? Cverpressura anount (psiQ) _et overpressura I/arprstsure ceuse*-l. -2. liner consents A tF AS IBBBB e no - IBB.4 220.5 9.3/5 yas - N/A N/A 18000/30000 200/225 6/8 yes 228 176 215 0/0 no 5 no none 10 psig under RO bulged asiB ov ' -'* INC/TFE/3I6SS / .1 bolts nons J4/A water wash bulged BSiB-OY 2 1NC/TFE/3I6SS J bolts no prescorsd rev buck 0S1B 590 47 nickel none yas 55 chloride cracking rad bal1<in project ) P gauge - excess flow vslve * atn ** - negligible water wash once none 1* visual none 6 12 prsnatura failure 0 0*5 unknown no no no AH AJ AJ 18000 20B 2X6 / 2X8 ys* 189.198.200 .200 200 185,195,200.200 0/0 no s no 10 185,195.200.200 . . - - 10.9/5.7 no S no ns data - I06B0 335 12 no - 160 273 6/3 no 5 no N/A N/A Prescorsd rev buck BSIB 590 4 nickel none yas SS chloride cracking Prescorsd t bulged Propuip Ow00 s 3I6SS/INC/3165S vent tide narked yes raverte buck 1ing corrosion of knives conventlonal doned Nerston Excelsior 1 Alunmun special holders no conposite discs P gauge excess flew valve atn - none none disc netsnel 1 leek check 6 P switch * alarn 10 p*ig RU atn every IS sac none never inhibitor coating 400 ylsual(lenptnirror > 0 none none atn N/A <1 per yr N/A inhibitor coelinQ 1 visual 80 batches *prenature failures 'overpressure 5*20 -process dsnege -unknown no DaneQa during msts J 1st 1 on none no none 6-20 Punctured by lune no -Inspect tncomng -Inspect and protect ROs. disc after every -Burst test one disc c fron esch lot m~Q received. cn . -install in holders end test to MI of " batch. 'Oise should be far enough away fron liquid level to prevent danage o-. burst P in shop. , during eg11 a 11cn. CD - -Only ouali f led CC* necnanic* to do installalions. * > TABULATION OF RESPONSE pq 7 of 7 Company Designation Sat Pressure Coneideretton* Reactor Sin IUS6 I Vessel Patino Ipsigl RO Sire 1 in. I I n Strut m t h 5V 7 RO Burst P t 7?F Ipsigl Oe 11gn Burst I (f) Burst P $ Burst I (png) Nenufeeturing Ranga-Ovar/undart11 Special Manufacturing rariga 1 Burst tolerance IX) Spatial burst tolerance 7 SV capacity red'n due to RD (X) SV tat ting (piig > PD Ranufacturjng and Inatallation RO Type Manufacturer Number of diaca par location Oise Material Oise orientation device Torque raquirananta uiad ? Oiaea not reconmencled-typa -raaion Leah detection device Vent nethod for apace above RO Vent destination Praia monitoring frag for apace Frequency of RO leaks Frequency of RO ptn-holea RO fouling prevontion nethod RO inapection freq (react cycles) Type of inspection RO replacement frag Ino.i) General Present concerns Number of failures >n 1981 Failura causes-t. -2. -i. Overpressure aver occurred 7 Overpressure amount (peig) Last overpressure Overpressure causes-I . 2. Other comments c "d m cn i>. o co x* -o 1 AL confld confld 4-8 yea 90-95* of VPR AH (VCM plant data) 0/0 yaa S no <1* 90-100* of DPR preecorad * bulged rev buck-knife BSIB 6FN Continental 16 50-100 nickel noatly monel none none no yet vacuum eupp't/bnife -leakage -no good for hydroetet rod boll ind P switch rad ball 51 bleed valve atm H/A over 6 no.a seldom none tinea *94 unknown water apray N/A 3-S days yearly visual 6 no pottarn Ravaraal without rupture. 0-S 0-S -fatigue of material Poor design no no -Never uaa discs with kmvss in 'Hava found soma discs reversed or flanges. dented on VCn spheres. -Oo not uaa ROs Moving towards with vacuum supp' I. preecorad ROi. -Replace ROs on preventive basis. -Use water spray to heae RO Clean. v l 1 I > A