ML19221B295

For Comment Issue of Reg Guide 6.8, Identification Plaque for Irretrievable Well-Logging Sources

ML19221B295
Person / Time
Issue date:	10/06/1978
From:	NRC OFFICE OF STANDARDS DEVELOPMENT
To:
Shared Package
ML19221B296	List: ML19221B295
References
REGGD-06.008, REGGD-6.008, NUDOCS 7810270136
Download: ML19221B295 (2)

Text

1. "" x U.S. NUCLEAR REGULATORY COMMISSION October 1978

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W REG L LA-'O RY G L I D E

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.1 OFFICE OF STANDARDS DEVELOPMENT REGULATORY GUIDE 6.8 IDENTIFICATION PLAQUE FOR 1RRETRIEVABLE WELL-LOGGING SOURCES

• lh u /emmom All ot the tollowing uden A. INTRODUCTION I

l manon should be engrased on the lace of the identiti-

! he ('omnusen has pubhshed proposed amend' ion pl oc l he engras n' prosedure should re-ments to 10 CFR Part 30 Rules of General

,y gg

.nt materi,d to ensure : hat the depth of Applicability to Domestic 1.icensing of Hy produc t enan me w dl be mit went tc produce c haracters that

\\taterial.

and to 10 Cl R Part 70

• Domestic 1 i-hNe loN IN ne s nual dmambilits.

censme of Special Nuclear Material, concerning the implementation of certain requirements in cases of a.

Ihe words.

1' Al'1lON R ADl4 ) AC II VI-irretries able well-loggmg sourcev One of these re-M A ll:RI Al.

quirements would call f or the mounting of a perma-b Ihe radiation sy mbol (color not requiredi as nent identification plaque at the surf ace of a well that

_ O. _,0 3.

.(-aution signs.

described in 10 (,l;R 4 contains an irretries able well-log.eme source This labels. sienals and controls.

regula:ory cuide describes methods that would be ae-t. l he wMs.

'Irrenic s aNe w M fogging certable to the NRC statt for the characteristics and wu red w and the date of occurrence.

the mounting ol' this permanent identification plaque assuming the proposed regulation is promulgated as J. The naine of the well-ow ner and the city an l an ettectne rule by the Commission af ter considera-state w here his main o!!he is located tion of pubhc comments.

c. Ihe well name and the well number tit' appli-cable)

B. DISCUSSION

f. Ihe scaled sourcem t radionuclide and quan-tity of actnity n scaled source logging techmques use e imma 9 sources and neutron souras i

in quantity les e s up to p 'lhe source depth and the plug-back depth.

,eral t ur'es per sourt e f or substrata analyus in od.

h An appropriate warning, depending on the and mineral exploration. When there is an irre-specific ci cumstances of each incident, such as:

cas.

tries able well-loegmg source, a permanent identifica-non plaque nus. be mountcJ at the surface of the well I he mounung et this plaque n ons aspett of f I i Ib not drill below plue back depth, t onunuing wntrol of the by produti mate,al, and the

( 2i Do not enlarge casine. or i+ 3chlit:t alliin pl.'que is intended lti be a pcImanent 133 Nt' lit) Ihe apprt'priaIC bIdle agCUC) bC!t'IC Indit atiim i>t a scaled u m:te dow siw e!!

reentry ill req!iired by regulatnin in the State where the w ell n located L C. HEGULATORY POSITION 2 l'/ajm Tron nal. I he plaque should be con-

'Leptable plaque m foi m at m n. plaque material.

strutted of long-lasting material such as stainle n and methods ist plaque mounting f or actis e and inac y

steel. braw,, ron/c. or monel i he si/c of the p ay,a o

in e w ells ; hat con >ain an irretri.;s able n ell-loccine shiiuld be i ris enient tiir u se iin actis e < >r inat tis t.

usurge are.is folhiu N.

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-i h IU S mm) N E' w t mlJ be usable m both cases. I he thitt. n e ss of the metal

'An Wrretrieuble well logging source' means any scaled huld N' M k et IA M (3 2 un).

q ;

.'r uurte contaimng lwensed material that n pulled ott or not ton g.

g ricued to the wirehne dow nwell and f or whah all reasonante M A I bNI A!-

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( f) 4 mno and 'x inc h (3 2 mr.o !ctter sites wouhl be readily obsersable if the well were reentered at a lu-acceptable.

ture date.

3. I'laque %nouin e~

D. IMPLEMENTATION

a. I or actis e w ells, the plaque should be n:ounted in a readily obsersable location by welJing Ihe guid.ince contained herein may be used by or bolting it to the well-he.id structure. Ihe plaque licensees or by applicants for a license as a ref erence inf ormation shouhl be readable by personnel in the f or information nornially supplied in support of a IIllinediette areit.

!iCCnNC ilpp!iC;illoll.

b. l'or inactis e weils, the plaque should be

()ther equally ettectise methods f or pros iJing f or mounted by weldmg or bolting it to the top of the and mounting of an identification plaque for irre-casing cap so that the plaque inf ormation would be triesable well-logging sou:ces may also be used.

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