ML19320C840

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Forwards Status Rept for Wk of 800621-28
ML19320C840
Person / Time
Site: Crane 
Issue date: 06/30/1980
From: Jay Collins
Office of Nuclear Reactor Regulation
To: Harold Denton, Snyder B
Office of Nuclear Reactor Regulation
References
CON-NRC-TMI-80-103 NUDOCS 8007180102
Download: ML19320C840 (8)
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{{#Wiki_filter:__- -_ b i. h,.... e ,.,5* j[. ,4: ., e ** *C'Jv. UNITED STATES NUcLEM OCGULATORY COMMISSION h ',". - Y 4...v.( { W A5mNGTON. O C. 20G5G O (;.. ?.%, e* pm ra ,g*. f[..-%,'- / . lune 30, 1980 ,y#446 * * =.* t flRC/TMI-30-103 3u. .pW.m. >{mgfff' v.. 3,'. j ?.p;j+' ' N MEMORANDU'.1 FOR' H. R. Denton, Director, g. Office of Nuclear Reactor Regulation EdIE' b ,Q?. B.1. Snyder, Program Director. TMI Program Office 7.hj. FROM: J. T. Collins. Deputy Program Director, lg. ; L Tl11 Proqram Of fice g-j.g;

SUBJECT:

NRC TML FROGRA!1 0FFTCE WEEKLY STATUS REPOR1 q v. ',. f. %.,.k..'. h" Cnclosed is the Status report for the weck of June 21-28, 1980.

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' TA .~.? 'lohn T. Collins i M '7 .Ucputy Program Director (,ff]'s THI Program Office , )(;. / /-<b,. _

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As. stated yr k' cc: F00 HQ.;yl.' s OGC 4, Office Directors .M..- I G8! NRR Division Directors Conmissioner's Technical Assistants D8.5.' NRR A/D's pg'. ' Regional Directors

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'GGy .Q.g ~.. J y.; 5.y, r. w g s m 3 Y ?s. y %e-Mr, 6" ~. .ilRC TMI PROGRAM 0111(,L JLLK!Y STA1US RCPORT ,t ., g f. Pg 1. ' O [eh (. t Y, DW n. . oE;' Junn i'l-PH,1980 ' . 4;v~49@w(y;'., w 5:- %. y g.. c. .c. a h ',Mc, & g.rp Statue..-.- x.. n d l,. > [g h e Qu ' Lyclic natural circulation in the "A" reactor coolant se. . ). -+.> 4,., Q. %. g'y' ',91.ntp Node: jp.t fv.g!c f;%. generator (OT.%), steaming tc the main condenser, '.ystem (RCS) loop via the "A" once through steam j p (.yk y y,, and kCS loop-A and U cyclic natural circulation tu .$...h, Ayo f rcactor building ambient. ?gi . p. y \\- m 4, M" p, {MU)l$le.?ure Cunlim; Modes: s s t* h OTW "B" to the main condenscr; long term 4/ k ~ '; y,3.h/ysure Lontrol Mode: - cooling '!O" (OT5G-B), decay heat removal. .T '.. - - .4 .f.H, q, 4- .ay.A. o ..y dVkE blandby Pre 55uru Control (SPC) System. \\ . t; xs. ';f J $ '; dackun Pressure Control Mode: Nokeup systen in conaunction with letdown flow

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(Tmergency use only due tn suspected leaks in the 1' Y t. Seal injection system). O kg.'., Ar'.: '? b QM q.Ma.iuf;':)jarameters ( As et Oh30, dunc P7,1900) (approximale values), ' 9,iq I?b..", I 3(. $ f h d,h 4 y h. i b - Maximum Incore Thermocuuple: )97"F

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Average incore Thermucouples: lb3"F' T ( M . g' :o, o p,' Q.'.#,'.i fg.gy w ~. ~ th gRG,5 i nnp I,emperatures: Q jk. hf 3 y - Y A B if u j%.. !;{jbN.),'. hoi LCU i48"F ' l '.,1 " F

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b' 4~ ~i ...y . 82 P3i %;Y. f. yg gi ;.m.g;f e c.untrolling) 9,,.. < - 6,7, y. v.,- e y n,;7%v g;.,;Tressur1::er. Temper &Lurc: wy , m,M, sr. 90"F s. ty T A N j;$c,g.,p,ReactorBuilding: .o .p)

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+ lemperature: U6*F l 9-p Q7.ps Pressure: -0.4 psig (!!cise) dr bg Water level: Flevation 290.3 ft. (/.8 ft, fromfinor)9fi h.[' y, W'A Oy, >. 4d S Vid pynetration 401 manomete,r E ', < ,1. Tf". ?. nv@ ,,j. ..n. w T'4., Vd "; 3, 9 b. d M. J1W~ir.ureental A. Ff.f1 bent' inf orma tion Y y p, g ;y 4 ~.s g. m T Q 1.V. Liquid effluents from Tni i rutensed tu the Susquehanna River, p g.g.af Ler proceuing, were within the 1imits speciflud in Technical 5-a.e. 1 uc.it'tca. tion.s, ' 'q ^1

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e a, . L. Q. Antliquid eft luan,tsiere uischarqco fr.om.3 p3,1 e T.MI-2 pw.. e ep, - y c y g,, g a. %l p g. Result.7 rgn LPA munitoring of the envir,unment a,round the IMI site ' f A re: 4 M p. n y~..., v.. .y v f n p . y,,,,;m. w > .r m y; 'kh 'I l j,4 [r \\ N. c4 lw m,' ao - c

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'n .LX !!i.50 i EPA envirnim: ental :,tations regis tered background levels for X. air particulate and water samples. Gansna scan results for all ' %Ilp sarnpling lutations were negative. ' h;,c,.? Gas / Air (Kr-85) sar:plc resul Ls during the period june 13 5[by is t'- through. lune 20 1980 were: goldsboro - 25 pCi/m, pCi/m,iiiddletuwn-27pCi/m]I Observatinn Center - and hy Bainbridge - 75 pCi/m N(< Instantaneous direct radiation readings showed an average fj, level of 0.013 inRem/hr at the 18 monitoring stations. The T^ !' - nensurements are all ottributed to naturally occurring radio-f activity. .On;p 4 '*~t;ps 4 f4RC Environmental _,D_a,ta_ 3 F The following are the NHC air sample analytical rtsults ]- for the onsite continuous air sampler: 5[s; / T-131 Cs-137 ? g sample .Pc,r,iod . (u,Ci/cc) (u,Cif,c,c) ( [U HP-??1 ilane 13 - June 25 1980 5.2E-14 .:6. 2E-14 m((- d 40 reactor related radir, activity was detected. The licensee provided the following monthly inventor.y of /., Kr-US releases for 1980: January-86 Ci, February-80 Ci, -O March-63 c), April-69 Ci, May-85 Ci, and June (to midnight of f.g . lune 25) 58 Ci. Total 435 Cl. YNht. Hesults of the er.vironmental TLD measurements for the period

Wps April 30 tn May 79,1980, indicate nn gamma levels ahnve jj natural background.

Fifty-eight Ti.D's registered doses D: ranging from 0.11 mk/ day to 0.70 mR/ day. Average dose war. 34 0.16 mR/ day. Thcsc dose rates are consistent with natural h. background' radiation in the IMI area. On Thursday,. lune 26 1980 at 10:00 a.m. a meeting was held (Y. With the licensee. Messrs. William Riethie (GPil) and Keith Woodard (Pickard, !nwe, and Garrick), and Messrs. M Shanbaky, r R. Conte, T. tioslak, G. Kalman and T. Poindexter (flRC). A The r.uronse of the meeting was to revicw the licensec's methods and equipment to be used to calculate dase ossessumnl during the reactor building purge. The following infnnnation was presented: f ',,, 1. I'rctedure for beta-skin dose calculations in each sector, j k b Q[(- g ?. Nomal Ti n incations and frequency of reade,ut. m ' fef.. N-Aj) 3j kIf{f If, g

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.n 3 I D@',d n'5h&&f.y; v 3. Purge monitoring flu sta', ion locations and frcQuency of read nut. sy-

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i 4 Locations oficontinuous CVacuated and cryogenic air samplers id((Q't,% 7@,$7Q i 'O for Kr-65, h5 $d .E 5. Lucations of.Reuter Stokes monitors. b% kP n h.2%gl - U"

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6. A review or the normal environmental monitoring program at ^ .l *

  • b 4% 5. r ' Radioactive Material and Radwaste Shipmct)ts Offsite were as follows:
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.c ~ ! CM?,?@; h t.--# On Monday, Jui+. 23, 1980, 250 m1 reactor coolant bleed tank, Unit 2, t WW. was shipped to Oak Ridge National Laboratory, Oak Ridge, yg p-Tennessee for analysis. UV li s.. . yg/fg On Monday, June 23, 1980, a 30 mi reactor conlant, Unit 2, Pf3,. i Sample was shipped to Rabcock and Wilcox, Lynchburg, Virginia 7 'M. for analysis. .,,4 h'n 4{B. /.j.. t;. (y 7 On Monday, June 23,1980, o Unit 2 shipment of one hundred and , r. 4. ' F. i six (106) drums of laundry was sent to Tri-State Industrial t 'f F..' J.* Laundries, LTtica, New (ork. 4 4g .s w 1 e h I ' [-- On Thursday, June 26, 1980, an Epicor 1 dewatered resin liner. Q.% 1.5A Type A, was shipped to Nucicar Engineering Company, NECO,

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ftichland, Washington. %gd43 ,.@If 5 '.i) (.4 7-?, On Friday, lune i 77,.1980, an Fpicor I waste resin liner, LSA <, - y! m type B, was shipped to NLCO, Richland, Washington. 6 + 11 yt J lV N,.< n;6.M.::nLPICOR11 Processing Status: ( Auxiliary. building approximate ~' yuant i ties). , y.c s. ~ Amnunt processed this week: 16,000 gallons J N 1 ght{gd.K!, Amount processed to date: 347,000 gallons AQ Amount to Ise processed: 176,000 gallons p(;g,b., in ' Major Activitics. This Week 1. Reactor ButIding Pur00. Final preparations for the removal of Kr-85

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,,from the THI-2 reactor building by controlled purging to the atmnsphere @M., M were completed this week.. This included the functional test of the i. modified "P" train of the nonnal reactor building ventilation exhaust , g[@*4 v" which uses both the modified hydrogen control exhaust system (for. .[ system (fast purge system) and a dry run using the purge procedure +

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3 slow, rate purge).and the fast purgo system. . Y.Q' *. 7( 24, 1980, was issued resolving the y[g ' g y :Amundment No, 11 dated June g.; %.5,3 echnical specification, addresse' last wcck, on defeating the interlock t .; hetween the exhaust monitor and le associated "B" train dampers. By f 5 h(j procedure, the subject monitor iM.' 111 he backed up by periodic grab samples. hbp #dnJ." i.W.%;, .v.s.g4 b. ^ ,h'hfk x m m

k' Q.. 3, . @ kl. i.ll s, M. fo r t <t g ,s Q, 't.*' ,l' .ft f, !&.:$$;f.c:.,$. ){h._'1 3 ?$ j Capproximately1i:000.m.OnJbne 78, 1980, purging of the TMT-? e rudcttir building afnnsphere curtsnenced with an initial flow rate of Cf4,. J3a pro)timately$100 cim (.05 Ci/sec) in the Modified Hydrogen Control ysLOOP(MHCT."" Approximately t minutes.into the norging the system qu$N wasikhuldcwn dua to partiet. late radiation monitor high alarms on Mg$'3,tP.jlhu MHC' system (nP-R-??9) and the plant Ventilation stack (HP-R-719).:. T M Q C5ub euuent licensee analysis of the monitor samule system filters h %c, revealed nu porticulote activity. it was then concluded that the /> pb pA.gparticulate detectors were responding to the noble gas (Kr-85) A pconcentration in the system. EPA and NRC independent analysis e g !- q MW6'?'"9"# 5 "'"i""' i h[@; hetween*5:00 p.m. and 10:00 p.m.-nn June 78, 1980. the licensee k.- M resumed the leurge under test conditions to further evaluate system D ...!Nand'dssociated monitur response with a very slow approach in achieving g- %M" ^ ~ various MHC system finw rates. Prior to this test, the 219 monitor kW was edified to climinate the interference due to noble gas. During bQ if hi&V tennducLud i.0ireaffinn that.no particulate activity concentrations 'ythe test, ad MNW 'A [... w...d.jw:Mger,cgp~,reseptg?d,d.i 2,he j w N$ [!,,, Resumuttun of'the reactor butiding ate.osphere MO G i N r e 29, 1980, Nith system and associated monitor response as .f ? C,on ilune axpected. Meanwhile~in an attempt to increase the sensitivity of the 3~ ((M96 d N. tack monitor (219) for part.culales, additional instrumentation was installed and w.ss viasie operatinral for preliminary da te evaluation, y@lW[Fy,, $ 51nne 2: i gp 00 p.m., 1une 29, 1980, the system was operar.ed as metenenlogical Tnere was une system shutdown between approximately 4{gCM#5Pconditinns verraitted. y 3 h % % 2:00 a.m. to 4:00 a.m. On ilune 30.' 1980 for reasons other than h$'hiy The MHC exhaust fan motor tripped on overload. No W(JS$,%;fd.:gmeteorological.hWN, overheating occurred but it appe ^g .v fj t-i_ . %;f fh Q, M1". $.w 'rnr,. iWiR -4 p m Drilling equipment has been set up at the, 6- ', Reactor Dullding'rs'ptry. C a... 34 P QQf ~. N .Ynner door of pe unne'l airlock No. 2.- Plans are to drill up to

3 hnins into Lhc inner Unit ? Personnel Airinck dnnr.

ThH procedure dyg{ - for this work was approved by the NRC/TMI program Office this week. ggg. nw-yq'.;p, N, $p *g'.' ..The proecdure entails the drilling of one hule to allow sn attem t I pg 7,tu f ree the jarened f.P safety interinck soleenid Din. If this ~ fnils.,litate the feccing ut the interlock mechanismthe orncedure allows tur two a gg.. hQm y 4 to faci Drillin9 is $s $_ $. $,,"d"' Y d ""rt; m yday, June 30, 1980. i ,\\ ) mv.w a ?iW_.,6 / im i %RW pf Wi ~ 'U ' m x.- x eg ;;?'TJ C g gx

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UlM '. l. s y .;y? , p R.t. ~ W. +. > r. I'[* 3. Epit.ar II StStais. The unscheduled cutoqe for this Lpicor II systein wa'. r3ripleTEd TiIesday, June 24, 1980. ihe Epicor 11 is being ur.ed tn ~ '[ ' ', @;Nr/, procees water that war stored in the f uel poni waste storage system v id (lower tanks). Ilic fuel pool waste storage system was built as o v.ysten for adds tinnal storage capacity of auxiliary building , f rernvery 'g p. waste ant.! war. filled as seon as it became Operational in the surm>cr i of 16st year. p*A; ; tf 1. Grour.d ' Water Mnci torinc.. Tne latest tritium analyser. on the TM1 ,.t 9roi.nnl6ter sann1es tsken nn May ?, 1980 e.how the following results: ~ >/# 'We l i No. Concen t ra tion 3 M. O.l " trW. 1 130 - /0 oCi/cc N,' KW - 2 490 + 80 uCi/cc M'J - 3 l'"JC.i. 90 uCi /cc J,%,j:) 94 t. 360 - 70 uti/cc ' Eb;;,, ;- .u - S 350 i 70 uCi/cc gM a '? fM - 6 910 ' 80 uCi/cc s ,[k Pd - 7 310 00 uci/cc 'J !G 8 710 + 100 uti/cc " '(.2 (he analy'.is result'. have been f luctuating without any discernable trend. f The c.a c.pler. arc. presently collected erd analyzed nn a weekly basis. " Crown i, wa..pr" '. ample taker f rom iionitorino well No. 3 has been analyzed by Princeton f ; 'r.e'. l.anurotory a id f.he 'ollowitig cont.lur. ions have been reached: 3 l'. None ut [PA's priority poilutants were found in the water. , 5["'.' li b 2 Hea'/y taetal contentrations are well haluw toxic levels. '? i 3. Orr.;anic constituents are natural degradation products of % rr': leaves, unnd 1ibere., humo., etc. r ,.2, > Q,C /. Inorganic-cunstituents are naturally occurrinq elements normally p ,Y,/$ ll )9 ase.ociateri wit.h dust and soil particles.

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.g .k,, it is apparent tha'. thnre are no toxic or potentially toxic components in - gf. this discolored water. ,' 4. - w. t 1Jr t.O

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'I' *:g Netings attended with Public Of ficials and Interested Groups 1.'7 On Friday, June 77, 1980, il. Collins participated in a site tour of

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[,,,;).,';.,.tne proDosed purging operation with representatives of the Department of Fnvironmental Resources of Pennsylvania and selected members of (. t the news media. ~ [ f40etings to be held with Public Officials and Interested Groups ) J l dJ ~ ' l. On Tuesday. July 1 1980. J. Collins, A. Fasano and D. Haverkamp will attena a meeting to he held at the NRC Region i office in King of [Ejh' Prussia, Pennsylvanic, at 1:30 p.m. to discuss planned near-term licensec management review appraisals, which will augment the routine .g, N NRC inspection program at ihree Mile Island Nuclear Station, linit 1. j, ti,. f' <., s 3 a.u 1

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