ML20125D077

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Responds to 791005 Request for Info Re U Mill Tailings Dam Failure in Church Rock,Nm.No Contamination of Lake Mead Will Result from Church Rock Dam Failure.Forwards NRC 791022 Testimony Before House Subcommittee on Energy & Environ
ML20125D077
Person / Time
Issue date: 11/21/1979
From: Gossick L
NRC OFFICE OF THE EXECUTIVE DIRECTOR FOR OPERATIONS (EDO)
To: Cannon H
SENATE
Shared Package
ML20125D080 List:
References
REF-WM-28 NUDOCS 8001130220
Download: ML20125D077 (1)


Text

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LVGossick Eleins WJDircks GErtter JBMartin NG 11 REBrowning S r RAScarano ki The Honorable Howard W. Cannon HJMiller I.~. .

United States Senate .

E Washine' con, D.C. 20510 . E p

Dear senator Cannon:

Your letter of October 5,1979, forwarded to us from the Department of "

Energy by letter of October 31. 1979, requested infomation concerning ..,

pote:ntial effects of a uranium. mill, tailings dam failure which occurred h in Church Rock, New Mexico, on Lake Head.

}I The stream into which tailings.were. spilled, t'he Rio Puerco, becomes dry $

at a point about 20 miles west.of the New Mexico / Arizona border. Only

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during infrequent periods will there be any flow in portions of the  !..

Rio Puerco which connect with the Little Colorado.and Colorado Rivers  :

which in turn feed Lake Mead.. .An. extensive monitoring program.has been  :

conducted on the stream by the State of New Mexico and the NRC. From the 'i 'i results of this program and location.of the.Rio Puerco, it is concluded p H that no contamination of Lake Mead will result from the Church Rock dam E ^

failure. . ..

Also in response to your request, enclosed is testimony recently delivered by the NRC staff before the House Subcomittee on Energy.and.the Environment  :

of the Committee on Interior and Insular Affairs on October 22, 1979; this testimony gives a more complete. description of the tailings dam failure.

I trust this infomation is responsive to your request.. If you.need additional assistance, please contact me.

Sincerely, y p

i original signed by n, o. smith M t

Lee V. Gossick ' l Executive Director for Operations  ;

Enclosure:

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Testimony dtd 10/22/79 re Church Rock dam failure pg -v + 90018185  : -

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