Document pyXQVwa5ejLJvkwBx0bVKZ8j

JOSEPH E. KEXJ.EE JEBOMK 0 HECKMAN CHARLES M.MEEHAN WILLIAM H BORGHESANI, JR, ROBERT R TIEHNAN WAYNE V, BLACK DAVID L, HILL MARTIN W. BERCOVICT EDWIN B SPIEVACK PETEH M NEMKOV JOSEPH E HADLEY CAROLE C HARRIS WILLIAM W PUGH LAW OFFICES Keller and Heckman 1150 iTT" STREET, N. W. SUITE lOOO WASHINGTON, D. C- 20036 August 5, 1974 V7 A AUG 7 1974 TELEPHONE 02 90-2100 CABLE ADDRESS KELMAN TO: All Members of: SPI Food, Drug and Cosmetic Packaging Materials Committee; General Polyvinyl Chloride Interest Mailing List; Ad Hoc Liquor Bottle Committee; Plastic Pipe Institute (Executive Board); Plastic Bottle Division (Voting Representatives); SPI Executive Committee; SPI Public Affairs Committee; VC and PVC Producers Committee Ladies and Gentlemen: In line with our continuing policy, we are once again writing to you to bring you up-to-date regarding various developments on governmental activities relating to the on-going vinyl chloride-polyvinyl chloride situation. With respect to the Occupational Safety and Health Admin istration (OSHA), there is a good deal of work going on at that agency and here with respect to reviewing the Hearing record and following up on supplemental filings, but little should be expected in a formal way for some time yet. Re lated to OSHA activities, you may be interested in some of the information we have gathered about the testimony sub mitted by the American Chemical Society (ACS) at the recent OSHA Hearings. As to this week's Food and Drug Administration (FDA) and Environmental Protection Agency (EPA) actions, neither agency has, as of this writing, published anything new but we do have some additional information about both areas. You may recall that the ACS presented testimony supporting the OSHA proposed standard for vinyl chloride ASI-PR 0002522 2 exposure and indicating that it believed that the proposed standard was both necessary and feasible. Because of the peculiar manner of the presentation (Dr. Quigley read a statement but had not been involved in its development), very little significant cross-examination could be conducted. When questioned, it was stated that the membership list of the committee which prepared the ACS report would be sub mitted for the Hearing record. The question was asked because the ACS at least strongly inferred that the proposed standard was technologically feasible, contrary to all the witnesses who were actively working in the VC/PVC industry; thus it was necessary to establish or question the credentials of those responsible for the ACS opinion. In following up on this matter to determine whether any members of the committee had first-hand knowledge of the VC/PVC industries, certain interesting facts were adduced. Firstly, we found that ACS had convened an ad hoc committee or task force to consider the matter. On the ad hoc committee were two people with first-hand knowledge of the Industry; the committee also contained a large number of participants associated with governmental and academic institutions such as the National Institute of Occupational Safety and Health (NIOSH), National Cancer Institute (NCI), National Academy of Sciences (NAS) and several universities. The ad hoc committee produced a report, and the two members of the committee from the VC/PVC industry had no objections to it. However, this ad hoc committee report bore almost no resemblence to the testimony actually submitted by the ACS! When we attempted to obtain a list of members of the Committee on Chemical Safety of the ACS, the committee which presumably drafted the testimony which was presented. Dr. Quigley and Mr. Fawcett (Chairman of the Committee) would not provide this information for us. Instead, they stated that it would be submitted in due course for the Hearing record. Actually, membership rolls of ACS committees are available to ACS members, and we obtained the membership roster upon request from the ACS Records Department. We have not had the opportunity to check the membership affili ations but a superficial look at the list suggests that no members of the committee are presently connected with the vinyl chloride or polyvinyl chloride producing industries. ASI-PR 0002523 3 We are enclosing a copy of a letter with some of its enclosures sent by Dr. Z. G. Bell, Jr., Director of Environmental Control, PPG Industries, to Mr. Stender and others. As you will see, Dr. Bell was one of the two VC/PVC industry members on the ad hoc committee, and we believe you will be interested in what he said. Other comments regarding these various aspects of the ACS testi mony are being prepared for submission to OSHA and we will inform you further as more information becomes available. It now appears that the Food and Drug Administra tion's Regulation on PVC will be published in the Federal Register within a few days. At least this is our present information obtained from the Staff this morning. Our latest word is that the Regulation will fix a maximum level of vinyl chloride content migrating to food simulating solvents at 50 ppb instead of a "no detectable with a method sensitive to 50 ppb" level. At any rate, we expect to know more certainly in a very short time. We also want to call your attention to a rumor that circulated widely and rapidly to the effect that the EPA Task Force would publish its report in mid-August instead of sometime in September as was previously anticipated. Our follow-up on this rumor indicates that the September date still holds--that a preliminary draft is scheduled to be circulated internally among the various EPA Task Force members in mid-August but that no public report is to be expected at that time. One final note might be interesting to some of you. The Coast Guard issued a Notice in the July 23, 1974 Federal Register regarding bulk cargo shipments of vinyl chloride monomer. Those of you interested in this aspect of the industry may wish to file comments before September 6, 1974 or attend a public hearing scheduled for August 15, 1974 in Washington. We are enclosing a copy of the Federal Register Notice for your convenience. We will continue to keep you informed as promptly and as accurately as we can regarding all phases of the vinyl chloride-polyvinyl chloride matter. As you have ASI-PR 0002524 4 noticed, however, it is possible that we will not be writing to you every week since the pace of activities, at least those which are "newsworthy," has slackened in some respects for the present. Enclosures ASI-PR 0002525 > m PPG INDUSTRIES, INC./ONE GATEWAY CENTER/PITTSBURGH, PENNSYLVANIA 15222/AREA 412/434-2585 July 31, 1974 7EB G. BELL, Jr., Sc D , Director Environmental Control, Industrial Chemical Division Mr. John Stender Assistant Secretary Department of Labor Room 3TT5 14th amd Constitution Avenue, N.W. Washington, DC 20210 Dear Mr. Stender: The reason for this correspondence is to express my objection to the position taken by the American Chemical Society on the proposed permanent standard for vinyl chloride presented at the Public Hearing in Washington, DC. The past president of AIHA requested in a telephone conversation that I repre sent the Association at the American Chemical Society meeting scheduled for May 21, 1974, on vinyl chloride. I received a confirming letter dated April 26 thanking me for consenting to represent the AIHA (Enclosure No. I). On April 29, 1974, Mr. H. H. Fawcett sent me a letter and additional correspon dence (Enclosure No. II). The American Chemical Society ad^hoc_Task Force met on May 21, 1974. The basic questions confronting the ACS were: 1) Should the Society take a position on the proposed standard? 2) Is VCM the chemical that has caused the problem? 3) In the opinion of the Society, is the proposed standard reasonable and appropriate? The ad hoc Task Force on Vinyl Chloride had only two members currently employed in industry--myself (representing AIHA) and Mr. George Wilson of Firestone Tire and Rubber (representing the ASTM, E-34). ASI-PR 0002526 Mr. John Stender July 31, 1974 Page 2 The attendence at the ad hoc Task Force meeting on May 21 Is shown in Enclosure No. III. The outgrowth of this meeting was a draft of a position to be taken by the Society (Enclosure IV - May 23, 1974, cover letter from H. H. Fawcett and copy of first draft). This draft addressed itself to the basic rationale used in setting the proposed standard and not directly to the specifics of the proposed standard. Further, this draft did not indicate any endorsement of the proposed "non-detectable" level concept nor was technical feasibility discussed at the May 21, 1974, meeting. Upon review of the draft position by the Society, I had no major objections. In the subsequent correspondence package from the Society (Enclosure No. V - transmittal letter from Mr. Halley Merrell, dated June 12, 1974, and from Mr. S. T. Quigley, dated June 7, 1974), it can be seen that a dead line of 5:00 p.m., June 12 was set for comments on the third revision of the draft. However, this draft was received in my office on June 13, 1974. Concurrently, I was on vacation during that entire week. In addition, the accompanying cover letter stated: "It would likely be helpful if the ad hoc Task Force and CCS members were on record as reconmending Board approval of the statement. If you approve *he statement, .nay I request that you telephone me immediately." I did not telephone approval. Through retrospective deduction, I must assume there was a second draft which I did not receive or review. Because of my extensive traveling, a recent bereavement, and a presumption that subsequent drafts would not deviate substantially from the original draft, I did not appreciate the substantive changes that were incorporated in the latest draft or the final testimony given by the American Chemical Society. I was given no further opportunity to review the final position taken by the American Chemical Society nor was any other meeting of the ad^ hoc Task Force members called before the final position was presented at the Public Hearing. ASI-PR 0002527 I Mr. John Stender July 31, 1974 Page 3 I personally cannot support the final position taken by ACS nor do I believe that it is proper to necessarily imply that the AIHA endorses the American Chemical Society's position. Very truly yours. Attachments cc: Daniel Boyd - OSHA Howard H. Fawcett - National Academy of Sciences Paul Halley - Standard Oil Co. Jerome H. Heckman - Keller and Heckman Edward Kline - Office of the Solicitor Donald Lassiter - OSHA William E. McCormick - AIHA John A. Pendergrass - AIHA Stephen T. Quigley - ACS Jerome T. Siedlecki - AIHA W. Mayo Smith - Air Products Henry Stremba - ASTM George L. Wilson - Firestone ASI-PR 0002528 ENCLOSURE NO. Ill A M HUICA N C II JO M ICAL SOCI 10 T Y COMMI'I IT:R ON CHFMICAI. SAF-F.TY Attendance A.C.S. Meeting on Vinyl Chloride Marvel Hall - 21 May 1974 Name Dr. Victor Brum Dr. Zeb Bel 1 Ms. Joan Broom Mr. Howard Fawcett Dr. Herman Kraybill Dr. Donald Lassiter Dr. Nina McClelland Dr. Bernard McNamara Mr. Halley Merrel1 Dr, Glenn Schweitzer Dr. F.A. Van Atta Dr. Elizabeth Weisberger Mr. George White Mr. George Wilson Mailing Address VA Center, Medical Research- Lab 15-A, Togus, Maine 04330 A.I.H.A., PPG Industries, 1 Gateway Center, Pittsburgh, PA 15222 NAS-NRC, 2101 Constitution Ave., N.W. Washington, D.C. 20418 NAS-NRC, 2101 Constitution Ave., N.W. Washington, D.C. 20418 National Cancer Institute, National Institutes of Health, Dethesda, MD 20014 0SHA, 1726 M St., N.W., Room 620, Washington,'D.C. 20210 National Sanitation Foundation, P.0. Box 1468, Ann Arbor, Michigan Edgewood Arsenal, SAREA-CL, Aberdeen Proving Ground, MD 21010 A.C.S., 1155 16th Street, Washington, D.C. 20036 EPA, Office of Water Programs, Division of Oil and Water Hazardous Materials, 401 M St., S.W., Room 1113 E, Washington, D.C. 20460 Office of Standards, Department of Labor, 1726 M St., N.W., Room 410, Washington, D.C. 2021.0 Stop #205 National Cancer Institute, National Institutes of Health, Bethesda, MD 20014 NAS-NRC, 2101 Constitution Ave., N.W. Washington, D.C. 20418 ASTM, E-34, Firestone, Akron, Ohio ASI-PR 0002529 ENCLOSURE NO. Ill ENCLOSURE NO. IV AMERICAN CIS K M ICAL S O C I K T Y COMM1T.TEE ON CHEMICAL SAEETY 23 May 1974 MEMORANDUM To: Attendees at ad hoc Panel on Vinyl Chloride, May 21, 1974 Members, Committee on Chemical Safety Subject: Proposed ACS Comments on Vinyl Chloride Regulation (Federal Register, Vol. 39, No. 92, May 10, 1974, Pages 16896-16900) Please note the attached draft of the proposed statement by the Society on the vinyl chloride regulation. I have taken the liberty of editing this to a minor degree but am hopeful this contains your thoughts and opinions. Due to the extreme urgency of time, we ask you to telephone any comments (either positive or negative) directly to the American Chemical Society so appropriate action can be taken as soon as possible. Specifically, if you will call Dr. Nathan J. Karch on telephone number 202-372-4466 or 4467, or Mr. Halley Merrell on 872-4610 (202) ' by noon Tuesday, May 28, we would greatly appreciate it. We would of course welcome any comments in writing, but recognizing the urgency of time, we must ask you please to telephone your comments to Dr. Karch or Mr. Merrell. Your continuing cooperation in this matter will be greatly appreciated by the ACS, by Dr. Victor Brum who chaired the meeting, and by myself. Sincerely yours. HHF:rj Enclosure H. H. FAWCETT Chairman Committee on Chemical Safety ASI~Pft 0002530 RECEIVED MAY 2 4 1974 MFG. DEPT. The American Chemical Society has a strong interest and recog nizes its responsibilities to both the public and the private sectors concerning both the benefits and potential hazards from chemicals and their uses. For these reasons, we have noted and carefully reviewed the most recent information on the subject of vinyl chloride in occupa tion exposures and its relationship to sarcomas. Angiosarcoma is a rare carcinogenic lesion in the general popu lation. The appearance of angiosarcoma in occupationally exposed groups,much higher than in the general population,shov/s a casual re lationship for an occupational vector. There is enough data to charac terize vinyl chloride as a carcinogen--a potent hepatocarcinogen. There is sufficient data to indicate that this is a carcinogen for other sites, i.e. kidney, bone. Epidemiologically, this should be sought for beyond liver. Survey reports now show extrahepatic angiosarcoma. Referring to Federal Register, May 10, 1974, pages 16896-16900, Vol. 39, No. 92 [29 CFR Part 1010], (f)i), it is suggested a grace period of reasonable but limited duration be extended for industry to meet these standards considering engineering design and their economic effects, with feasible controls to be instituted as soon as possible. Regarding limits of exposure, the following quotation, extracLetf from page 11 of the report, CHEMICALS AND HEALTH, Report of the Panel on Chemical and Health of the President's Science Advisory Committee (Nation- al Science Foundation) September 1973, chaired by Professor John W. Tukey, appears germane to the subject: ASI-PR 0002531 2. "A 'no-detectable amount1 clause is a refuge in the face of ignorance. Were mature scientific knowledge presently available regarding dose-response relationships and extrap olation to man, the problem of carcinogenicity could be dealt with a scientifically rational manner. We have good reason to believe--though it is not yet proved-- that some, perhaps most, chemical carcinogens will have definable thresholds." Vinyl chloride has an apparent threshold and a definable dose response curve.______________ , Regarding (g) and (h), we endorse the control methods outlined but suggest further consideration to the possible air-supplied suits fabricated from material impervious to the expected exposure. The air i supplied for breathing must be as good as or better than that required by CFR 1910.134. Consideration should be given by NIOSH/B of M for an approval schedule commensurate with specific needs for protective equipment for vinyl chloride and polyvinyl chloride exposures and appropriate mainte nance and decontamination procedures for such equipment. We strongly endorse the concept that transporters or disposers of any chemical, including vinyl chloride, should be properly informed of the potential hazards and adequately trained in the safety precautions to be observed. The American Chemical Society continues to encourage the rapid * and wide dissemination of information and data on the potential hazards of chemicals, and will continue to provide a forum for such purposes on all chemicals and chemically-related substances. ^SI-PR 0002532 26732 PROPOSED RULES applicant will be the date of tl/e loan land the date from which interest/iccruco \(20 O.S.C. 443(3)) 142.43 flepayment, (a) Schedule of regaymenfi. Repay ments of principal with accnv.f! interest fciali be made oil those dates l.s may be breed up ::i by the CommL.iiener and tke applim it. I \(b) Date of maturity. A loan may be mkde for any period of time Except that th* date of maturity shall i t. not more thiVi ten years after the dntp cn which the (cV Frcrcymcnts. Loans ijmy be pre- paidyn full or in part at r.n-J time, with accrued interest to the date fT payment, withmit penal ty for prepayment. (20 UAC. 445(4)) J 142.41 Reports and r, roTl-i. (a> Acports. Each applicant receiving a loan A-n.il mrnish a ccimfetion report upon completing the appipved project, and shall funur-h sucli pro/ress or other reports r.j the Conimiss:o:|"r may from time to t:\n.e require residing the use of Joan funds. The com/-lotion report shall be su-Vuht^d by the last day of the fiscal year yellowing thepiwal year in which the a^phcation war anprovod un less the Commissioner ty:tends the pe riod upon ti, * written tequest of the applicant. \ / (bi PeccrdsVJ'.och applicant receiving a loan shall hen the 1 rim in a separate bank account onmamir'n a separate ac counting oi all such iur.j:s suL'icient read ily to identify ally trar,tactions with the loan funds Ca;}\ np-^: leant shall also maintain intact All records supporting the use of lean fund/; for three years after the loan hasXtij n repaid in full. Such records shall tel made available to fiscal icprer-entative^ pf the Government lor audit purposes. (20 US.C. 1232e(b) (2)A(3)) (FT. DOC.74-1C754 Fil/l 7-22-74;G:45 am) PEFART^eVit OF TRANSPORTATION Coesi Guard 33 CFKPartAp] ICGp 24-321 TANK VESSELS E/.'GATED \'M DOMESTIC TRADE \ Protection of i/nme Ere.iioiVncr.i; Notice ol Proposed i./jluriiclanii; derroction In FR Doc. 74-/ 4334 appeal) ng at pares 241.70-7 in the '/me for End y, June 23, 3974. the follovj'.ng coirevtio- s should be made: / 1. In 5 357.97 e) (T*. appc:v imr a t pace 24153, t!ie wjid "bisible" :J, loald read "visible". 2. l'ollowiv.f 5 157.11, appeal Ins: at pace 25151. a noti/should be adueiArcadiiig as follows: > * Ncr.-El An J''' Ur." vessel must comply with the rcqulrc/.rnts m { 157.11 bcrorc Decem ber 31, 1377 3. In S 157.29(a), appearing at page 24155, the word "and" should read "or". Bldg., 400 Seventh Street, SW.. W..->. lngton, D.C. Interested persons urc -- vited to attend tile hearing and prooral or written statements on.this --- posal. It is requested that anyone c. string to attend the hearing ncuty Executive Secretary at leart ten d--- advance of the time needed for hi: ; entation. Written summaries or c~~ ; of oral presentations are encoura-cd. Closing date fur comments. All c\ rr. munications received befoie S(.p 6, 1974, will be evaluated before f- action is taken on this rropoaal. 2. proposed regulations may be cnanyea .: the light of comments received. The Occupational Safety and JT: '1 Administration, Department of I.-,, announced in the Fkdtuup Rrois,:a: Friday. Anri' 5, 1574 (39 FJ1 12342) vinyl cliloride is carcir.o';or.ic for hum: and that the new exposure Lancia:u : , vinyl chloride is 50 ppm Oi'.'.i.V : -. nounced m the .FrmiKAL RrGis.rr, oi f :. day, May JO. 1974 (.19 FR 19i_5) taa: ; new level of exposure standard of ' detectable level" is propo^d. Pr;,-.._ Coast Guard iemulations for vinyl ride permit restncted gauging and ins of vinyl chloride to tm; ..truer . .. during cargo transfer operat.ons. .... both the use of a resliictcd gauge the venting of vinyl chloride vaycr; : the atmospliere during ca-'o trar. .. operations result in vinyl chi-..ride c centrations in excess of 50 ppm, a:1..: was necessaiy to proude pae.ec__ : (CGD 74-167) personnel frotn tins danger. VINYL CHLORIDE Accordingly, tlie Coast C :ard -- --.1 nated by message (1315! id a.ay I.'.: Proposed Carriage Requirements interim measures to prevent exp. .2. The Coast__Guard., is considering amending the bull-: dangerous^ car^.cs rermimioiis for "the "carriage of'Vi.iyl" cli!;r:de (vinyl chloride monomer) 'L;.y requiring jventing,_ gauging and cargo tram for pysiems_wh:cTi provide greater" protection to peiscmncl than those'pi esently permitted. Those amended regu lations will apply to all tank vessels, hath existing and newrconstiuction,7caiTyin.g vinyl .chloride-- of personnel to vapors during c.-'... transfer operations These interim i:.sures are proposed to be sapeisecsd the following iejule.nons: (a) Prohibition of liquid level nm;--s other than clo-.ed gauges, on cargo t.u--1 containing vinyl chloride. (b) Prohibition of venting cf vvs chloride vapors to the alm^phoro E-. ing cargo tram-fer operations (rcc-_.:: ment of vapor return to a shore p:.:.stream). Written comments. Interested persons (c> Requirement of continuous c:`._ are invited to participate in this pro (ion for vinyl cliloride vapor iookr r.2 posed rulemaking by submitting written te.nk vesfeb; ui'dergoir.g vmvl dil^r . data, views, or arguments to the Execu transfer operations. tive Secretary. Marino Safety Council, (d) Discontinuing of tnuif fc-r c; .. U.S. Coast Guard Headquarters (C- tions whenever vinyl cliioii.'c v.'.yor o .. C. MC/22), Room 8234. 4C0 Seventh centrations m excess of 50 I'.pm a:e Street, SW., Wa.-.him-ton, D.C. 2C500. tected. (Telephone 202 426-1477'. Each person (e) Requirement of pur,.lb'-' cf (...: submitting comment.*1,2s3hould include his lines to a shore process stre. :u i:;.. name and address, identify the notice completion of ckd'o tr:u.;.r, r ' (COD 74-167). cud give reasons for any before d'Econncetmg cargo pi- ,i.v v : recommendations. Comments received will be available for examination by in terested persons m Room 8231, Depart duce vinyl chloride vapor eor.cea:: to 50 ppm or le.-a. The pionoi-f-d expo: ure hm.il of 3 may be changed as a rcscit of C.. ment of Transportation, Massif Building, exposure limit (Utennmeri ; Per itv- J -103 Seventh Street, SW,, Washington, 25, 1974 hcAring. and comi'.vmts (.:'. D. C. Copies will be lurnislied upon pay following proiio.w'd regulations ;l:m_- . ment of fees prescribed in 49 CFR 7.81. made w iUi this fact in mind. Public hearing. The Coast Guard will In consideration of the fon-going. it ! hold a hearing on Aunist IS, 19,74. at proposed to amend Parts 49 and 151 c 9:30 a.m. In Confcivuce Room 8534, De Chapter I, 'Atle 4G, Code of Federal Reg partment of ITan.'-portatiou, Nasslf ulations as follows: FEDERAL REGISUR, VOL 3, NO. 142--TUESDAY, JUtY 23, 1974 ASI-PR 0002533 PROPOSED RULES . 2CTO 1. By amending Part 40 of Chapter I. Title 4G, Code of Federal Regulations by , adding a new Subpart 40.15--Viiyf Chloiidc. applicable to all tAnkshirs car rying vinyl chloride in bulk, as follows: Federal Aviation Administration [ 14 CFR Part 71 ] UAtrspice Docket No. 74--GL-151 \ CONTROL ZONE Issued in July 3, 1974. Des Plaines, Illinois, on R, O. ZmcLEv,. Acting LhrcctJr. Great Lakes RJgion. Subpart 40.15--Vinyl Chloride (Vinyl \ Proposed Designation (FR Doc.74-1672o Filed 7-22-74;8/45 am| Chloride Monomer) The Federal Aviation Administration 40.15-1 Gcncral-T/AIX. Is considering amending Part 'll of the [ 14 CFR Fart 71 (a) A tank containing vinyl chloride may not have any ligu.d let el gauges, other than closed gauges. (b) The person in charge of cargo Federal nvu.f.on Regulations so as to de.signate\ a control zone at Aurora. Illinois. \ Interested persons may participate in [Airspace Docket No. 74/ TRANSITION A7hA Proposed Aitewtion transfer shall ensure: (1) That caigo vapors are returned to a shore process stream dining cargo transfer operations; (2) That continuous detection for vi nyl chloride vapor leaks is concurred aboard a tartkship ur.oeiotng vinyl chlor ide transfer operations, v./th deioct.on capability of 1 ppui-U.5 ppm; the proposes rule making by submitting such writtenv.ta. views or arguments as ih.ey may des:\e. Communicalions should be submitted jrXtnpbcate lo trie Director, Great Lakes Region. Attention; Chief, Air TraC.c D:v-.::Sn, Federal Aviation Ad ministration, 2300, Fast Devon Avenue. Des Plaines, IJimots 0018. Ah commu nications received oi\or before August 22, The Federal AviaticnyAdminUtration Is considering amending/'.iia 71 of the Icderal A.vlntion F.eguh/.ons so os to alter the transition area /t Sancusky, Ohio. Interested persons may participate in the proposed ruJa/iraiurg by subiiuttuu: such written cir.Ut, views or arguments as they may dcsirot Commur.icat.ons should be submitted Ay triplicate to tiie D.rec (3) That cargo transfer operation is aboard a tanl-:=hip undergoing v.uyl chloride vapor concetti ration in excess of 50 ppm is detected; and (4) That upon completion of cargo transfer, before duccrmcctirg cargo tap 1974, will be considered before action is taken on the proposed amendment. No public hearing is coiu-Jv.pi nod at this time, but arrangements fcS: informal con ferences with Federal AviaVon Adminis tration officials may be mun\by contact tor. Great /Lakes Region. Attention: Chief, Air T/i iTic Divis or., Federal Avi..tion AdmiAistration, 2.529 Last Devon Avenue, Eiks Plaines, rhinitis GJOiS. /U1 commtuj/catioits received bn or before Ai.ciisL/u2, 1974, will be ctmsidered bc:o:e ing, ail cargo Jutes are purged to a mure process stream to reduce vinyl citior.de vapor concentrat-ons to 39 ppm or less. 2. By chan am? the renuirement. for gauging ir. Table 151.05--Suinmarv of Minim:::n Rrcnirctnerus for vinyl ctiioride from restricted to closed. 3. By ac.d.n? paremraphs (O and (hi to 5 151.50-34 coutr.T.in'; special require ments for the carriage c i v.uyl ciucrttie: 131..".0-3 t Vinyl chloride (vio;l eldori'.ii monomer). t> (g) A tank containing vinyl chloride may not have any L.guid level gauges, other than closed gauges. (b) Tire person in charge of cargo transfershc.il ensure: (1) That cargo vapors are returned to a shore process stream during cargo transfer operations; (2) That continuous detection for vi nyl chloride vapor leaks Is conducted aboard a lank fcerre undergoing r.ayi chloride transfer operr.Ucr.s, with detec ing the Regional Air Traffic Division Chief. Any data, views or arauAier.ts pre sented during such conferences ipuse also be submitted in writing in ncc\rdnnce v. 1th this notice in order to lx-ctn of the record for consideration. Tin posed contained in this notice mi; changed in the light of cemmeb-tsy received. A public docket will be available fi e'li.miur tior. by interested per: tins in >`te' Office of the Regional Counsel. Fed.ml Aviation Administration, 23C0 /Bast Devon Avenue, Des PJair.es, Illinois 6301S. An FAA control tower will be ofemmjssioned at the Aurora MunictpayAirport, Aurora, RLuois. A control zone will be reqt/red when the control tower Is in operation and will have the same effective h/urs of the tower. In consideration of the foregoing, the Federal Aviation Admlr/stratloa pro poses to amend Part 71/of the Federal p.Ct:or/is taken on tire proposed amand ine n/ No public heanug is contemplaud us time, but a;nu,ge:uen'.s for m- 'mal conferences witit Federal Aviation ministration of.iciais n.ay be made by itactir.g the Regional Air Trade Divi sion Chief. Any data, views or arguments presented curing such conferences mu-t also be submitted in writing in accord ance With tilts notice in order to be-.cure of the recora for concMcratioii. The oposal contained in tn-c notice may c::.'.npc-d tn the light of comncrts rt\eived. public docket will be available for exaihuiation by interested persons in the OfLce\of the Regional Counsel, redcnil Aviation Administration, 2300 Last Devon vvvenue, Des Plaines, Illinois 69013. A slanrhrd instrument approach pro cedure hcAbeea developed based upon the relocatccLSar.cIusky VGR. According ly, it is necessary to alter the Sandusky, Ohio transition) area to adequately pro Aviation Regulations a/ hereinafter set tect the arrcraitVixecuting tl;m procedure. tion enpab;bty of 1 ppm - 0.5 ppm; forth: In consideraUnn of the foregoing, the (3) That cargo transfer operat.on is In 5 71.171 (39 FR /54), the following Tcdcrai AvdatlonX Administration pro discontinued whenever a vinyl chloride control zone is added, poses to amend Part 71 of the Fed-nal vapor coucemrswon in excess of 50 ppm is detected; and (41 That upon completion of cargo transfer, before cliscomccf-ng cargo p >ing, ail cargo lir.es arc purged to a s.-.c.e process stream to reduce vinyl chloride vapor ccure;-.'.;a'.io. to 50 rptn or less, (80 Et.vt. 937: 46 T7SC. J70, 39trv. 075. 416 (49 VSi C. fC03^r>) (1)); 1J CTIi IAS (5) sad (MU) Dated; July IS, 1074. D. II Cunov, Captain, U.S. Coitsf Guard, tid ing Chief. Of.cc oj Mercha nt Marine Safety, (Fit Do;.74-t57P3 fifed 7-23-74:8:15 mu) Aer-oci/li.J.n.'Ois That Mr'--acc vlyhln a 5-;ol'.-:- radius of the Aurora Mityelp.vl A.ror-rt (linUrcs 41'4C'20" Icr/.tucn &3'Z3'20'* W.), find within l'l sr 1'y p.ther rid? or rlie DuPe.ge YOK 217* rr.m.i'/f'Xieiicimg froi". tho 6r-mi!o rutius to 7A /.:NE c*. the .'.or. rr. Airport, "his eoniii /irnna la cgfc'-.vf d.irtng tho rpt'cAr. C-.'/i ond uns'i c- r.: li-hod In M- reicfi by / llalrc to A.r:.. 1:,< eltcc.'.vo elite arc!/.r.'e v. .11 thereafter r? continuously published in tbo Airman's Information n n *_/, (5^c/lo7ir,) of Urn Fcc!"rM Aviation Act of 1<K2 (-5D U,S C. 1313). rod 6(c) of t^o Dcprj^mcni of Tra:i&pc>rU.M:>n Act (4D U,SC. 1555(c))) Aviation Regulations as hereinafter set forth: \ In 5 71.131 (39 FF. \:0), the following tranr.tion area is ftmciilid to lead: S.IVTCaKY, CUtlO T'.-et alrppacj pxtc-r,di".7 i \ nrd fri'iu 7C0 feet ahoi'ft the surU.ce e ::h e sV.mIc raciiu '. c.t tho G.-iDac feaucu^ky /.if'Vt (lv.::c.l`> 41`2C'01" N- lor. ;irv.l!! lc-\''C'5" VV 1: v.i'.mr. 3 trees either r.co cl St.rJ" :y YOU r.'.I* rmllal extending from tV> uve r.'ro ii'.-i'.'.D to 7'v mr''3 l.. : c.t v'.e rN-p v; ex- etuiiiry that portion that prcr!l.'jhi,e Fort Cttatuo transition area, (fee. S07(al cf the Aviation Art of 1958 (43 U.S.C. 1346), and tec. C[c) of tiio No. 142--rt. I-----8 HDCRAl RfGISTER, VOL 39, NO. 142--TUESDAY, JULY 23, 1974 ASI-PR 0002534