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. TH AD COCH R ANsaississ:Pri

?JCnifeb Stafes SenaicWASHINGTON. D.C. 20510

EJune 3, 1979 " . .

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Mr. Joseph M. Hendrie 1..

Chairman ' ._;.Nuclear Regulatory Commission . . . ... :-

Washington, D.C. 20535 ''!-j!.:

Dear Mr. Hendrie: - - - - -

! . .a.

Enclosed is a copy of a telegram I received from ['Mr. Donald Lutken, President of Mississippi Power and i;._

Light Company, regarding the impact of any delay in the,

| =. ..issuance of an operating license for their nuclear plant [.at Gr'nd Gulf. Also enclosed is a copy of a statement t --aoutlining the -afety of the proposed plant. - -

I would appreciate your full consideration of the hissues raised by Mr. Lutken anc your providing me with

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a response to them.

Your assistance is apprec'iated, r-

Sincerely,

'

/ :

THAD COCHRANU. S. Senator

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THIS TELEGR AM. INVOLVES. A M AT TER10F. GR AVEj URGENCY FOR. THEcPEOPLE OFi,J 3 ', :-WISSISSIFF135.THE. NUCLEAR REGULAICRY COMMISSION IS~CONSIDERING A-N J: ~

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"SHORT" STATEMEN "_ ON S AFETY AT GRAND GULF NUCLEAR STATION. --

-

w - . _; _

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.. .

. Grand Gulf vs. Three Mile Island - -

-. ..

-

-

.... 4-:- - . - .

...- ; Could.a loss .of coolant accident such as the March 28, 1979 incid ent ...

-

..

1.at..Three Mile. Island occur at.. Grand Gulf? . The answer is " abs olutely not.'l' ''--. ..,

i.. ;,._5Eandf_ Gulf u.tsizesT. deferent design coEcep~t which oreclu[es an'ihcident[~ ~,'. !_'N[ ,'~

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such.a's oc' curred at Three' Mile. Island.1. .-

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,. - - .. ,

- Safety Features at Grand Gulf Nuclear Station - f-

.

-..

The Grand Gulf Nuclear Station .zu:orporates the most rnodern and most.

sophisticated technology.in the history of steam generation. It is, in the words -of Dr. Teller, infinitely safer than any other method of' commercial production

,

of electric energy.

It utilizes a " defense-in-depth" concept so that if a safety systemwere to malfunction, a series of back-up systems automatically function. _ _

_

IOperator Efficiency and Training - ,

__

Each operator is trained to levels of performance higher t'hanNuclear Regulatory Commission standards. This level of operatorproficiency will be maintained by annual simulator tests of everyconceivable event that could occur in the Grand Gulf plant.

Security -

Potential threats to the integrity of the plant from outside sourcesmave been fully considered in.the design and construction of Grand Gulf. -5The p1 ant will'safelp withstand all creditilehatural pheramedal as% ell'as-~ ..;'-~~ i

~

~

man-made threats. A highly trained, 'ar'rned guard force using sophisticated ~intrusion detection systems will prevent sabotage or intrusion.

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"Short" Staternent (continued) -2-

.

.-.

. . . .

' ~ '

Evacuation Plans - -

2 _. -

. _ . . ...

' .' An emergency response plan for Grand Gulf is being prepared~ ,'" .

.

.c - -

. ,, together with state and local authorities._ This will be reviewed by the

-

:

rA: Nuclear Regulatory Commission as a condition of the. operating license. ,- .

,

,. ; .]. -[f.lt.gbe tested periodically aftar_ the plant begins operations. -.

y :- - .

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<'. , . _ ~'_ _ '' '

- Z~ Disposal of Radioactiv's Wastes ' ' .

;u - . . .' 3*

. ~ry- . o ...a _ _. :

.

'VSpent fuel discharged frorn Grand Gulf will be held in storage tanks T'' -

- - Tat the plant until it is received by the Federal Government for reprocessingor disposal. ~ This is in accordance with present Federal law.

-

-.*.

. _ . . - - ...

..;_ . . . .

. ,

' Grand Gulf has sufficient spent fuel storage to accommodate~

,

plant operation through 1992.-,

_

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-.

"LONG" STATEMENT ON SAFETY AT GRAND GULF NUCLE ^ D STATION

~

.. - -

~

The Grand Gulf Nuclear Station design incorporates the most modernand sophisticated technology available in the power gener _ tion industry. This

, deqign fully conforms to the U. S. Nuclear Regulatory Commission's (NRC) ~

_ .i regulations and criteria and is thorough 1. reviewed by the NRC for compliance. x.

_

",- 'The comprehensive iguality assurance programs which have been' applied to all-%-h-SphWes of:thE~desigE,7 construction and eventual' operation of the31 ant will .- 1_P''~a'ss'ure thatJitis as ' safe and efficient as pos sible. -

j.S!.~d'?" *. .|}E 3 : ~fff S'.1~

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+ ,-._ =-- y Nuclear reactors are built utilizing the " defense-in. depth" concept. .

'

1 This means,that for each plant system that performs a safety function there s.~

are others, back up systems, to take over and per. 3rm that function should

,the primary system malfunction. The redundancy in the safety systems at

. _ - the Grand Gulf Nuclear Station will assure the protection of the public in theunlikely ev'ent of a syste'm malfunction or accident. The recent events at the

~

Three Mile Island plant proved the validity of this concept. In spite of numerous.

malfunctions the plant was safely shutdown and no one was killed or even injured.

Additionally, radiation exposures received by persons in and around the plant,,

~

including the public, never ever remotely approached dangerous _ levels._- . , - .

. Persons living in the immediate vicinity of the Grand Gulf Nuclear

Station routinely receive aproximately 150 millirems of radiation per year,

from natural background sources - - air, water, food cosmic rays, television. -

"

bricks, medical x-rays, etc. A chest x-ray alone exposes a person to 40 -

millir erns. By contrast, the additional radiation that will be received by

these people due to the operation of the Grand Gulf plant will be about 1.

millirem per year less than 1% of the natural background dose they alreadyreceive.

The training and qualification program for the personnel who will

operate the Grand Gulf Nuclear Station is extremely rigorous and thorough.The final step in this process is a comprehensive testing program administeredand evaluated by the NRC. These operators will undergo a retraining andrequalification program each year on a nuclear reactor computeifs;imulator i-

~

to evaluate their actions under all credible simulated accident cond.itions.~

This will assure the maintenance of their knowledge and skills. _'

-.

Potential threats to the plant's safety integrity from outsid.e sources

have been fully considered and accounted for in the design. The plant will_

-

safely withstand all. credible natural phenomena including severe storms,

hurricanes, tornadoes ~and floods'. The tornado that struck in ApTil,1978caused damage only because the plant was in a partially completed state.

Had the plant been completed and operating, there would have been no damagethat could have caused a threat to the public. Man-made threats have also .

been considered. The plant is to be equipped with sophisticated electronic

'' '

mu.

: - ; .:- - -- , - --, , . .,,,r y . .

_

..

"Long" Statement (contir ued) -2-

, . _ - ., ._

~

intrusion detection systems, access control and screening systems, andan armed, highly specialized and trained guard force to prevent sabotage -

-'

'. - or plant takeover. .. _ .

Q ._. . --

_ .L- --

.

'*

-~:- - +, - .- ;,__

- .-- , ;.~ . r e. - . ..._..- ..a. . . - ,

' ;4 --iq The.-- -safety record of the commercial nuclear power industry is - -.

. _.. _

. p.9.s^.'cIlawless. f Nd-d._ic~has~.ever beeri killed or -even injured due to the radiation '?-''-

... . . . _. _. - . ..

..,.

:.9 4 rom the s e. .plarits. Our technology ha -taken a potentially haza'rdous source -=> --

[ff,If or e[f$i;y.and 'c'$ strolled it so that it can benefit society.; There' have been -i M.'

"'.5''f accidents including the recent ' events at'Three Mile Island, but the plants '~ " '

.- ..

. ,'f' have always p'erformed as intended and minimized risk to mankind. Care :_-

,- in design, construction and operation of these plants has held the consequencesof that risk to a . fully acceptable level - - zero!~

. . ,. _ - -

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