ML19220C462

Forwards Proposed Interim Radiological Tech Specs Re Liquid Effluents & Sampling Frequency for Gamma Emitters

ML19220C462
Person / Time
Site:	Crane
Issue date:	12/19/1977
From:	Regan W Office of Nuclear Reactor Regulation
To:	Herbein J METROPOLITAN EDISON CO.
Shared Package
ML19220C460	List: ML19220C459 ML19220C461 ML19220C462
References
NUDOCS 7905100129
Download: ML19220C462 (5)

Text

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Jay,;m:7 'g, 1973 1,L CC25 00. CTO R. C-ro l. crc; c /.

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Mr. J. G. Herbein ~

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Gentieren:

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Enclosed are proposed interim radiological Technical Specificaticas for Three Mile Island fiuclear Station, Unit i'c. 2.

Thes:' s peci fications represent agreement reached between our technical staff and your representatives.

They are interia specifications and are based cn the "as lcw as practicable" criteria in effect at the time of issuance of

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the Unit ic.1 Technical Specifications.

When the model effluent radioicgical Technical Specifications, currently under development by the staff to imie-ent the requirements of Appendix I, have been approved by :lE anagement, we will revise the specifications for Unit tios. I and 2 to refiect these requirements.

If you wish to discuss the.;e specifications further with cur staff, please ccntact fir. Jan A. I' orris, Envircncental Project Itanager, at (301) 492-8437.

Sincerely, o

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Divisien of Si te Sa fety and c'

Envircnmental Analysis 1,

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ll tnclosure:

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Tech. Spec. for

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l'.etropolitan Ediscn Ccmpany DEC 13 E77 cc w/ encl:

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GPU Service Ccrporaticn ATTN: ?r. T. Gary Srcugh'.;n jq

. e1 Safety, and_ Licen.s ing

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Washington, D. C.

20036 Dr. Chauncey R. Kepford Sox 1093 Jackson, Wyoming 83C01 The Honorable Xarin W. Carter Assistant Attorney General Office of Enforcement Capt. of Environmental Resources 7C9 Healch and Welfare Suilding Harrisburg, Pennsylvania 17120 Lawrence Sager, Esquire Sager and Sager Associates 45 High Street Potts cown, Pennsylvania 19464 Dr. Chauncey Kepford Citizens for a Safe Envirencent

& York Ccmmictee for a Safe Environment 2586 Broad Street York, Pennsyivania 17404 F-il 1

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Ei Licensee requests that cer.tain changes, as herein-af ter described, be 1,

cade in Appendix 3 of the T.II-l Technical Specifications. A copy of the affected pages with these changes indicated is attached.

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-Q Chance Recuest Fage 17,- Section 2.3.1, Licuid Ef fluents. Add a paragraph f.

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1 Specificatica to read as follows:

-3 "The 12C. (163-hour) for 2c-133 is 5 x 10 pCi/=.1; the 'TC y (163-houE) for 7.e-135 in 1 x 10-3 pCi/=1.

Reason for Channe Recues t

.rovid2 any !?C values for xenon but requires 10 CFR 20 c.resently does not y

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tha t the very restrictive value calculated for unknown cixtures of radio-nuclides be used.

The reasen for requesting ti.e proposed change is to avoid having to use this very restrictive and technically unjustifiabic

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value and to avoid the costs involved in installing a gas stripping systec or in packaging the' wastes.

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S Environ antal Analysis Justifying F coosed Ch.an?e 1

Tae proposed FC values for xenon were derived by a rigorous interpretatica y

m of ICRP and NEC guidelines; therefore, it is believed that their adoption will not cause undue risk to either the health or safety of the public.

Cost-Senefit Analysis Justifying Prcoosed Chance There are no additional ecsts associated with the propcsed change. Tne j

principle benafit will be a ces savings to be der:.ved frca removal of the need to either install a gas separatica systen or have high-xenon-I cor.centrz. tion vas tes hauled off site so that the ?C.. value for unkncwn ixtures of radionuclides will not be exceeded. A conscr.ative cost e tir.ata fe; ins tallation of a gas s tripping sys ten, includin3 erpansion of the vaste j

gas handling syste=, would be $500,000.

Tae other alternativa would involve a cos t to package this was te o f apprc:: irately $600,0C0 per year.

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s Chan^., ".ccuest Par,e 23, Section 2. 3.1, I.icp l r f flue nts. Adl the f ollowin'; vargrap:.

to the wn-26 02.,

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.t "The ::PC.. values for v.cnca ucrc calculated f ro the fundecental formulas found in ICai" 2.

All pat!"ays we re taken into co ns ide ra-tion, including sui = ing and shoreline shin 2.

The pathway doses vere calculated f rc ALA? (WASa-1253) =cdels.

The drinking rater

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pa thway was f ound to be the liciting pathway."

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l Reason for Change Eccuest The reason for requesting the proposed change is to provide the basis for Change Request 26.a. above.

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Environmental Analvsis Jus tifyine Prococed Change _

Eecause the proposed change only serves to provide the basi., f or a specifi-cation and does not alter any of the require ents of the Technical Specifi-cations, its adop tion will have no adverse ef f ect on the environ ent.

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Coat-Benefit Analysis Jus tifying Prcoosed Change t

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See the cost-benefit analysis for Change Request 26.a. above.

-TECENICAL SPECIFICATICN CEANCE REQUEST NO. 26.c.-

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Change Request l

Pages 23 and 29, Table 2, Ite: C, Sampling Frequency for Individual Garza l

Enitters. Reference a Footnote (5) instead of Fcotnote (3) and add a i

Footnote (5) to read as f olleus:

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1 The analysis shall be perforned following each refueling period, a

startup, or sicilar operational occurrence which could alter the I

cixture of ralienuclides unicus such an analysis was perforce >

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during the pre"icus one-nonth period.

l Rensen for Chence Recuest i

The reason for requesting the proposed change is to elleinate the cost of having to perfor redundant analyses of the discharge free the condenser l

vacut: purp. Specifically, in addition to the =cnitcring requirc:ents of k

Footnote (3), the following analyses of this discharge are already being I

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the discharge is continuously =cnitored for gaseous activity by r

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Ocathly sur cillance requir.ecents include a garna isotopic analysis and a tritiu analysis.

L Thus, even with the proposed change in eff ect it is believed chat the mixture of rauicnuclides enpected to occur at the condenser vacuu: pump disch; 72 f

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vill still be adequately nonitored.

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u lhe propeyed chan;e, if 2np]ca.20ted, will act have any adverge ip,;ct the environment in taat en the vacuta pu:p di;;harge 1111 still be c o n t inuo us ' >-

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.tita and gar 2a scan analyses tiill be perforced.

Cost Benefit Analysis Jus tifv1.,~ precosed Chance f.

';o additional cost will result e,

and by making this one conitoring requirc entf roa imp';nentation of the proposed cha co re fle:-ible, fe::er can-hours will have to be spent collecting and analyaing gas sc=ples.

Tnis reduction 4

in can-hours is e:cpected to result, in a cos t savings of $2,500 annually L

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. :ssemer'cN INCbOGU N E Advising that Met-Ed does not agree 4th the propcsed requirements of Sec.

.6 of the Ncvember 17, 1977, version cf the T':I-2 Nonradialogical Environ. Tech. Specs..w/att proposed ' cording for Sec.

.6 cf the ~MI-2

'!cnradiologi cal Enviro n. Tech. Sp ecs........

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