ML20028C442

Forwards IE Insp Rept 50-245/77-33 on 771213-16 & 22-23.No Noncompliance Noted

ML20028C442
Person / Time
Site:	05000000, Millstone
Issue date:	01/16/1978
From:	Brunner E NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To:	Switzer D NORTHEAST NUCLEAR ENERGY CO.
Shared Package
ML20027A594	List: 05000000/LER-1977-040, Forwards LER 77-040/01T 05000000/LER-1977-040-01, /01T:on 771213,two Hydrogen Detonations Occurred in Offgas Sys & Stack Base,Resulting in Momentary Radioactive Release & Injury to One Employee.Initial Detonation Caused by Arc Strike on Instrument Tubing 05000000/LER-1977-043, Forwards LER 77-043/03L-0.Detailed Event Analysis Encl 05000000/LER-1977-043-03, /03L-0:on 771219,stack Gas Monitor Sample Probes & Mounting Beam Discovered Damaged.Caused by 771213 Stack Base Hydrogen Detonation.Monitor Probes & Support Beam Replaced & Sys Operation Restored on 771223 IR 05000245/1977033 ML20027A593 ML20027A595 ML20027A612 ML20028C393 ML20028C398 ML20028C399 ML20028C403 ML20028C405 ML20028C407 ML20028C408 ML20028C410 ML20028C411 ML20028C412 ML20028C413 ML20028C414 ML20028C415 ML20028C419 ML20028C420 ML20028C422 ML20028C423 ML20028C424 ML20028C425 ML20028C426 ML20028C427 ML20028C428 ML20028C430 ML20028C431 ML20028C432 ML20028C433 ML20028C434 ML20028C435 ML20028C436 ML20028C437 ML20028C440 ML20028C441 ML20028C442 ML20028C443 ML20028C446 ML20028C448 ML20028C449 ML20028C450 ML20028C451 ML20028C452 ML20028C453 ML20028C454 ... further results
References
FOIA-82-545 NUDOCS 8301100163
Download: ML20028C442 (2)

See also: IR 05000245/1977033

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-Docket No'. 502245-

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Northeast Nuclear Energy' Company.

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ATTN: Mr. D. C. Switzer

President

P. O. Box 270

. Hartford, Connecticut 06101

Gentlemen:

Subject:

Inspection 50-245/77-33

_

This refers to the inspection conducted by Mr. J. Shedlosky and Mr.~ J.

Kottan of this office on December 13-16 and 22-23,1977, of activities-

authorized by NRC License No. DPR-21 and to the discussions of our

findings held by Mr. Shedlosky with Messrs. E. Ferland and E. Foster and

others of your staff at the conclusion of the inspection.

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Areas examined during this inspection are described in' the Office of

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Inspection and Enforcement Inspection Report which is enclosed with this

letter. 'Within these areas, the inspection consisted of selective

examinations of procedures and representative records, interviews with

. personnel, measurements made by the inspector, and observations by the

inspector.

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The areas examined during the inspection were:

probable cause of the

two off gas explosions on December 13,1977; ' actions taken after the

explosions, especially those to prevent reoccurrence described in your

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December 22, 1977 letter responding to the December 14, 1977 letter

issued by this office; equipment and component damage; emergency plan

implement,ation; and radiological assessments.

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Within the scope of this inspection, no items of noncompliance were

observed.

In accordance with Section 2.790 of the NRC's " Rules of Practice," Part

2, Title 10, Code of Federal Regulations, a copy of this letter and the

enclosed inspection report will be placed in the NRC's Public Document

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Room.

If this report contains any information that you (or your contractor)

believe to be proprietary, it is necessary that you make a written

application within 20 days to this office to withhold such information

from public disclosure. Any such application must be accompanied by an

affidavit executed by the owner of the information, which identifies the

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document or part sought to be withileid,. ard which contains a statement

of reasons which addresses with specifict{y.the items which will be

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considered by the Commission as listed in subparagraph (b)(4) of Section

2.790

The information sought to be withheld shall be incorporated as

far as possible into

'If we do not

hear from you in this,a separate part of the affidavit.

regard within the specified period, the report

will be placed in the Public Document Room.

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No reply to this letter is required; how'ever, if you should have any

questions concerning this inspection, we will be pleased to discuss them

with you.

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Ellion d' Brunner, Chief

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Reactor Operativos and Nuclear

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Support Branch

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Enclosure:

Office of Inspection and Enforcement Inspection

Report Number 50-245/77-363

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cc w/ encl:

E. J. Ferland, Plant Superintendent

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D. G. Diedrick, Manager of CJality Assurance

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A. Z. Roisman, Counsel for Citizens Committee

for the Protection of the Environment (Without Report)

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