Document 2924xnabJ2D98b9nbEZqVRyp

From Date subject Jim Gabbet R. D. Gamblin July 30, 1974 Data Submission For The Foster D. Snell Study Of The Possible Economic Impact Of Alternate Standards Of VCM Worker Exposure Levels In accordance with a request of Foster D. Snell we are submitting data to you concerning the possible economic impact of alternate standards of VCM worker exposure levels. We understand you will compile and submit this information for our plant insuring consistency among the three Conoco Plants involved in manufacturing and processing VCM. The information included in the attached report is keyed to the Foster D. Snell Questionaire. Several items in the questionaire ask for information regarding equipment and operating requirements to meet standards below 50ppm. We find it difficult to speculate upon the effect of more restrictive stan dards. The plant has no means of continuously monitoring VCM ambient air ceiling levels. $joh equipment is on order and when installed will give an indication of VCM ,eil ing-levels at various plant locations. Until then we can only guess at future equipment requirements based upon the limited available data. In the attached information we have speculated on what might be required tr meet a lOppm ceiling level. Certainly these estimates should be used very cautiously. There is no firm data on which to base such estimates and these are intended only to indicate a "best feel" for the situation. Information we have now does not permit us to define a feasible operating "level and the associated costs below the 25ppm level. The following information is included in the attached report: I. General Data 1. Plant production. Process Flow Drawing And Description 2. Plant Employee And Job Classification Data 3. Historical And Current VCM Exposure Levels 4. Results Of Monitoring And Current Operating And Maintenance Procedures 11. Engineering Controls And Work Practices 1. Cost Of Equipment Installed Or Planned To Reduce VCM Exposure And Comply With 50ppm Standard 2. Changes In Operating Or Maintenance Procedures For Reduction Of VCM Exposure And Compliance To 50ppm 3. Equipment Required To Achieve 25ppm Standard 4. Operating And Maintenance Procedures Needed To Comply With A 25ppm Standard. VVC 000002004 Oim Gabbet Page 2 5. Lowest Feasible VCM Level And Necessary Equipment To Achieve This Level. 6. Required Operating And Maintenance Procedures To Achieve The Lowest Feasible Level. 7. Comments Concerning Achievement Of A No Detectable Level. III. Personal Protective Equipment 1. Equipment Now In Use 2. Cost Of Equipment And Operating And Maintenance Requirements 3. Equipment Cost, Operating And Maintenance Requirements To Achieve A 25ppm Ceiling And A No Detectable Unit. 4. Data On Estimated Number Of People Required To Wear Protective Equipment At Various VCM Levels IV. E--nvi-i-r--o--n---m----e--n---t-a---l----A---n--d-----P---e--r--s--o---n--a---l----M----o---n---i-t--o--r--i-n---g--*- 1. Estimated Cost Of Monitoring Equipment 2. Estimated Cost Of Medical Exams 3. Information On Record Keeping The information contained in section I should be considered to be a trade secret. This information is related to technology obtained under license and in confidence from the Stauffer Chemical Company. This technology is incorporated in our commercial plant and is also licensed by Stauffer to other companies. This technology is quite valuable and proprietary to Continental and Stauffer and we request that it be held in confidence. CC: LNV-REL-RHG-RSM-CRH-DPC-RTF-EMS DHS-DEM-JCL-JSR-CEG-GGD r VVC 000002005 Q, (Zlock, -* T~h*s * nsQ a Also ar* rug T*ttZ Or.* pLAcJrx re/tr c/Mvrr. 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AAldT/EAAdcG At**- &PG/ZAT r+->... t-AG mAnryz* v A*}# Aix- . t j= PYZsa'jJAJSc. 7Zo . . td? .'SYsrenS - AT _CaNtai *j0d Atri Q/2A '7yJ/<JGAcz~ T~I s? 0 aJP ti*S.......PaJ__......PtAdr PAIPG/LIY. CLEA/ICY f f-U /. /A... . Mo r~- . A : *<ZAtr\XA . facun trsJ.*' .. . --j--: -- 7%t&(. /ZBaS oyjs Po. Nsn . AG&i*. .lATCAtMAt3ltG - -A fM \ <?/C/Aj(f7~iJts __. Pt~A*J7-, ..' . ZjBU/SC^ /J. i .j _______ t Made sy....... Checked *y_ Date__________ TITLE CONTIfCENTAL- OIL COMPANY CALCULATION sheet yVC 000002017 Job no.. F1 CLD__ rl B t *< V V t > * o X o0 t fv\ - t _C N% V: \Oli nncivo ,> *V f<V ? 0s t*&> r> o v M ^52 =5 u* v> > & > IV*) * <4 i : 3 ft i $ V * vs y* ? i* j 3 xB ij v V * \>5. vw v%l* >4 3 *y $ * e v> yj -a *3 *3 *y vi 3V:^fc $ <'0s a3 cs-3 $ 2 r r .... - te,4 K. Jw .. ... Vi M) - ................. Vi) .3 -U, 'V t<2:-' .........i"Sa? X_. - , ' V :^ fri V WC 0000020X8 j 0s A1 N X N :n s = r o tI 'a ; -r ~f)C*z N NVsHCD 9 * ~ *'O! 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J . $a-- .. . ^ Vii . .Nn <d j N\ V s -- VSft - 50 S- ' Aki.l. -%--- ..._^3 * ^ - t) ;<l- ' J* s- 4 4 u 5? \*yj * vA 3 '- U. /<! -c -O 1; v\ ; -v ,5 \ I -*v fc sA 3 3 f\J 'r***A ** ****** nv ** v*** &j3WtQ >+u \j_ , I.,-. ,^., -- k j . _ . v _y w, -^ -"- __ ' f7 yA^, c? /*? / j r > < --^ .. , WC 000002020 3 3g? frj. -7-7 tusrrt ~l J**=t t*Bytvr? wj s s sv+ ^>it* r\f _cIS+J6 CO p *SA /zusS r^*/C>V r 3-U. . -- -t fi^e/zsotJA,*- Frio rt-T/o& i, Q.u4tfir?dT /yJa^J 4u C/$- -- _ UJue*jVi3<.. Pca-VT" Gr7f-&*.0& 4/?c C>ex^ (r~ Je&s ... {?t7m&+jn a-n,1 C.VU.LP- /2SSULT- J<J \ftn S'xpesu/zes 77/sy AAS fZSPXu tAtSO r-o . l-j & a Q ___ Tsffi.S CL__________ AcrtK .. PT7A^O. .FYlGS+f ...A tfZ_i_*7 f<S,. r THS .... Pfc S *JTr. T/rrG . 7~Pe P^a^OT" UJS . &T ~ . TLSD A/fZ At- rW0ld C~H A' _ B/hSA-THt AfOr... A(R SMSTTSrt /s /^LAA*iOP> /A> 5 rAtt-AT-1 &*J M-it AJ 0~ -~A+*. .. JSi; IS774J o-' st//z . <rrr f>/z& er?l___ PLA+sr. Pas .A'/*tl-A&tS PA67~<rsV& <rr**_SpC7.... . j^<T7Z _ r l*, S. i/en *&-- -A- . y/o/3S. /Zt W.V5/2. cTxoJTTf&r:. . i_-L-- Z.: . Coir */= :..^t* a+>o _J___ 1____, ____ ^ 'SZ. ^S-7 ^>/S --____________________________________________ , -.4--L___ - . - h !_J i _'r J . .....'f/S cesr-s -........'-aP- ~n/? - fysrzrts _ : _._~j. O _ P&sJn /0 acJ . i _L.---- \--.^p0____ A-AS^ .. USTJZD. P.+S iaXS *+->> . '. (>, ' --.4. ' Maof: by__ C.'IECKED 2 Date______ Par f ____ "3, au iF>^1 &Aj ~ C?S.~ a*e&A7-f+J*-tfat tv7&*>AAfc~ . Ccs7~S 7~2> /A-Cp/B^S A . 4P&.. a ._._. p&rsc.TA&c&.. A./srr/.rr j___ h1-iI--L AOOi71<S*JAt- A___i ......... .. RooiCr^i .. $ rt Si Arts-- afr. T^AL _ .i. ^ { _Ccrsrs /S--l ------ !---1------ 1 * Fftrzro &a>r+t. t<^oc'/^ - --! -L- }0 fys*. ; _r- *2Q<rtrv C*ftrAi.$ 3foa,o/y/t. _.1 ... j. 1i > 1 r------*-- .hi*. Dsz'sa-AS3L& g'yb'crzn? ^ ^2^, u-zn>/vst. _ ___i 1,._J------------ ------------ T CONTINENTAL. OIL COMPANY CALCULATION SHEET JOB NO.. VVC 0000202i TITLE or Fi Elc ... -f3H3l J 220200000 OAA -'Oh) OCT 133HS Nouvnro^vo ANVdWOn "iO "1VJ.N3NIXNO: A-tt/YejmVQ&J H>y> ?ff ST&7 6&J S YLD'Yif*fW(*y^ j ;;--v #7c/ S't'j &rfV' f*' ''UrrftsSrrrV13 i >/-*< JO ~9jy/&& =70? *3*4? **' Tru>nrtLjrud "&/** W7 ?>f&ris ,1 UV& S c*-j> U-&& <+C<0^ ; Jp zJSr+V'PJ^ "" ' j r--:" ___ i..__ 'J*? r>?T2/ <yvn0r>7 ; ' `Zj&P 0<V&n-,4 (^fvV : ' A -&J ^ ryn-es*' A/+?jst !I i! 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IO. f> . __ }.o?a: i i-0 * Z.Q7oX //* pTGTAaL_ ''V* t____(Af3c.sE. ii !I ..,--------- f. ------------ j_. iI CONTINENTAL OIL COMPANY CALCULATION SHEET TITLE- "tVVC 000002023 Job no.. .. Field... iTATF ^ZOZOOOOO 3AA --i ^t Vg 1 * I SV w.._, *1 ' r-'. >$ fii & *A Af>. 0f* a & $ <"1*v <cn is p1 VC- to t "1 TfTLE *v| **4 N i & 'ONTIN'iNT 1_ OIL- C'0".r:^\ C.aLCULA i i ON 3 hi el E T t* I r c> *v vm: "VO Vo) J j \j s *J * * j <? <? *si <4 3>1 * 4 % *O j.\'oo i 5 vf J i l t 4 s N <* ** *s0i <3 n X -s N; O k _cV o Q ; o w* J 44 :* -1 k * T& 4 L?<yjr Tw/J a*i/q /Io* 7XQ?f+JY* &S f7<7*J/TV?2/A)&- /S S <-**"* Art/d`X> 2.: st~i AtArrso. (Zos7~s Op x.a*-t.S. Th .' ^CAAJT-. .-o%r oA nt)icj*t-- &x.a/is . Aflaur & /S^&zrz}. /*./&/* F<rrK .B-^7 C^oyass 't'BASZ. 7Po.____/f _ . ; /-f v .../+.?fiLQKtn Atr-/& </= J/3 o y.BA/L_____/?<? & S7/*. o ?<Z Pe&s ACiT. I J+J C<*U P>/ 7~i r7 & ! v/l,}yrV:-^. A JO. C.OJ7-J \ <? A 7WL i; ' ' Jl&nf+AJt&S A J-rB&ttic.., L! X__Q&&<n<ZO \&/iA fSf o*J A+sc ... yrMBtfK. | ii 2. }aJ A CTSZr7Ar77 U~lJ <0 *J /Zbc^TTZ/^ . . .... ......... P.Ak.r* .okj . -S-r^i +> rTTTTZ (<j'6-- ,-isjl *-r & ` &/Z <T A&&&/+S&-' ~~\ . . &>&/*asjAc- y /JZ> ...QA-^A, .ecrr Aft-A- , /3.Y Tl/B i-A/2aY2.t'rT-irrzL y A *JO us?/7AT&p> fc&QMinP. Tf/.rS fZ?AZTA /S A-U A / 44-/Sof ^7? JBf-fAi.O'lG.U. MPcyj /ZBclub^t" as . . mpuL/frsp /Sy. t&b StaPPAiZPS. 0> ^ `^A-r^O CO S7~ L-?/= T~l~SlX 6-- / S & i y.Aos ovri Checks:- ny. ......._ " Date________________ Page___ _ oc t "t--- TMc 000002025 TITLE CONTINENTAL OIL COMPANY CALCULATION SHEET Joa No. Field_____ State .. .. CONTINENTAL VCM SAFETY AND HEALTH MANUAL OPERATING PROCEDURE ....SUBJECT:-------------------- 7 Vinyl Chloride Operations Safety Procedure No! STD-G-IO : Effective Date: 5-31-74 Supersedes: Page 1 of 4 Pages Approved By: R. D. Gamblin Title: Plant Manager Reference: Safety & Health Policy, Sec, '30; OSHA 1910.934 Effective 4/5/75 A. PURPCJSE To develop safety and health procedure for employees exposed to vinyl chloride in concentration in excess of 50 ppm during loading of vinyl chloride tank cars, vinyl sampling and other operations in the plant. B. SCOPE These requirements, unless otherwise specified, apply to all plant personnel, temporary and permanent, working in those areas defined by management as being potentially harmful due to the exposure to excessive vinyl chloride con centrations. C GENERAL 1) VCM Controlled Tasks The following tasks in the plant will require special work practices and/or restrictions in performance of your normal duties. a) VCM Sampling b) VCM Tank Car Loading c) VCM Wet Lab Analyses <0 VCM Vessel Clearing ) Disassembly of VCM Lines or Process Chemicals Containing VCM 0 Blowdown of Miscellaneous Instrumentation Used in VCM Service 2) Safe Work Permits * '^ All tasks described in paragraph C. I d, e and f above, including all other VVC 000002027 STD-G-10 Page 2 5-3It74 maintenance tasks where potential exposure' of VCM exists, shall be required to have a safe work permit issued prior to actual work. The work permit will be issued only after the Shift Foreman or chief operator has adequately assured that personnel potentially exposed to vinyl chloride concentrations in excess of 50 ppm are adequately protected/supplied with the Scott or Survivair full face, air supplied respirators with breathing air or the Scott self-contained breathing apparatus available in the plant. This requirement applies for all tank, column or vessel entry, disconnecting lines, blinding flanges, and disassembly of any other process, equipment where potentially harmful vinyl chloride gases may be breathed. 3) Vinyl Chloride Testing Lab'technicians and chief operators shall be trained in the proper operations and interpretation of applicable instrumentation to determine vinyl chloride concentrations. 4) Employee Work Areas a) Employees not assigned breathing air masks and equipment while working in a vinyl chloride concentrated area shall not be allowed to enter the area without adequate breathing air equipment supplied by approved breath ing air. b) Work areas .in excess of 50 ppm vinyl chloride will be roped off and ap propriate signs posted to identify restricted areas. Only employees with adequate breathing air equipment supplied by breathing air will be allowed to enter the restricted area. Maintenance will be responsible to construct and post signs as required. c) Each employee work area having vinyl chloride concentrations in excess of 50 ppm will be provided with applicable breathing air cylinders, regulators, f and air hoses. "Compressed Air" cylinders shall not be used in place of tt "Breathing Air" bottles. D, RESPIRATORY PROTECTION, U5E AND CARE 1) Breathing air masks, regulator and belt assembly will be issued to individual employees for their use when exposed to high concentrations of vinyl chloride. Employees not issued this equipment on a permanent basis may obtain them from the Maintenance tool room for that shift. 2) The Scott or Survivair masks, including the applicable regulator and harness assembly, in the plant meet* the Federal regulations for type C continuous flow VVC 000002028 ! STD-G-IO Page 3 5-31-74 or pressure demand air supplied respirator, (See Figure I) 3) Breathing air masks, etc, used by employees not permanently assigned masks shall be returned to the maintenance tool room. The masks will then be cleaned and disinfected after each use by the warehouse operations Dept, 4) Breathing air masks, etc, permanently Issued to each employee shall be cleaned and disinfected daily. 5) Masks or lines that malfunction or become damaged `shall be returned to the Maintenance tool room for repair and a functional mask re-issued. 6) Oxygen shall not be used with air-supplied respirators (masks), 7) Thequality of air used by the employee'shall be of high purity and meet Grade D requirements. Breathing air cylinders shall be examined regularly during use to assure adequate air supply is available for the job. Cylinders shall be re J placed when the cylinder pressure drops below 500 psi. I 8) . Air line couplings shall be incompatible with outlets for other gas systems in the plant to avoid inadvertent cross-contamination. 9) Breathing air masks, when worn, shall provide a good seal and fit properly. Harmful gases and vapors may enter a face mask not having a good seal around the employee's face; such conditions are beards, long sideburns, the i. j* absence of one or both dentures and glasses. Spectacle kits will be provided to those employees who normally wear prescription glasses through the tool room when required to wear breathing air masks. 10) Breathing air respirators shall be worn with the appropriate belt assembly provided. The harness assembly will assure proper regulator and air line location during use. (SEE FIGURE I) i \ II) Breathing air mask usage care and protection shall conform to the respiratory safety standards found in standard STD-G-I. * 'i V j .1 V l/ 00000Z029 VVC pUkvK-Z. P RESPIRATOR .SUPPLIED AIR DbT I AND CONTINUOUS FLOV/ j '.Vila Full face Scottoramic Mai!-. ; :,:.232-00(W(TH HANSEN FITTING) [ 60223C0HWITH SCHRADER FITTING; SCOTT DEMAND RESPIRATOR with Scottoramic Mask ...provldescomplete respiratory protection against gases, dust, heat and fumes DESCRIPTION The Scott Supplied-Air Respirator, P/N 802230, is a full face Demand Respirator with'donstant flow capabilities. It is used for respiratory pro jection in hazardous atmospheres where eye and face protection is also re quired. Assembly includes limitless vision Scottoramic Mask with chinmounted stainless steel regulator, hose assembly, harness assembly and supply hose. The Scott Demand Respirator provides improved breathing protection end comfort. The Scottoramic Mask has (based on years of proven per formance) earned the reputation of being superior in reliability and ser vice. The Mask-Mounted Regulator (also a service-proved assembly) pro vides air on demand (as required) or on a continuous flow basis. The latter is achieved by manually adjusting the Continuous Flow Regulator Knob. Air is supplied through a small diameter, flexib! neoprene hose secured over the shoulder, held snugly across wearer's back and clipped to the belt at the right hip. The ends of th hose are pinch-proofed with steel-spring windings. Hose couples with a Hansen or Schrader fitting (see "Available Models" on overleaf) to either plant air line (using Scott Filter c Control Assembly P/N 15412-00) or to standard 220 or 300 cu-ft air cylinders (using Scott Pressure Reducing Regulator P/f 800258-00). EXTRA COMFORT Scott leadership in Mask and Regulator design has produced this compact, lightweight, combination which has given such comfor and assurance that wearers feel safe and completely free to work normally. Tests have shown that this unit is more comfortable to wear over long periods of time than breathing tube models. Eliminatio of the large conventional breathing tube gives the wearer more freedom to move his head and permits him to perform close-up ope ations without restriction. When desirable, a continuous flow of cool air can be introduced into the mask, contributing refreshir comfort in hot or humid atmospheres. Alt these features help to increase efficiency and to improve production capabilities. APPLICATION 1 The Scott Supplied-Air Respirator provides safety for extended work periods in particulate-laden, slightly toxic or oxygen deficient atmospheres from which the wearer can read ily emerge. It is used for welding, metalizing, processing and handling toxic materials, ef fecting repairs, and other tasks which are performed in disagreeable or dangerous atmospheres. SPEC! AL APP ROVA LS: Bureau of Mines No. BM-196-36 for type C Respirator (when air is supplied through 25 to 250 ft. of approved Scott Hose, P/N 30010 or 30020, at 50 to 150 PS IG and when used with approved Scott Harness Assy., (P/N 26025*01). VVC 000002030 Go for safatv, first... no SCOTT