ML19326C181
| ML19326C181 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 12/14/1976 |
| From: | Ziemann D Office of Nuclear Reactor Regulation |
| To: | Phillips J ARKANSAS POWER & LIGHT CO. |
| References | |
| NUDOCS 8004210675 | |
| Download: ML19326C181 (3) | |
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The August 30, 1976, Semiannual Environmental Monitoring Report for "1
Arkansas Huclear One - Unit 1 described three abnormalities. These abnormalities were not described in sufficient detail to permit the-
- NRC) staff's determinationsof5their sigaificanee.] Accordingly,,we M g 7
. haveifonsarded ; se~veralc questions-asUanit.tachmehtMo t thi s* letter.M@Nygy.1 of.is requaiste.d that.you respond ~ to these. questi_on.s.wi. thin 30 days.>y.M:
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Horace Jewell, Esquire House, Holms & Jewell 1550 Tower Building Little Rock, Arkansas 72201 Phillip K. Lyon, Esquire House, Holms & Jewell 1550 Tower Building Little Rock, Arkansas 72201 Mr. Donald Rueter Manager, Licensing Arkansas Power & Light Company Post Office Box 551 Little Rock, Arkansas 72201-Arkansas Polytechnic College Russellville, Arkansas 72801 m
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1
ENCLOSURE QUESTIONS CONCERNING ABNORMALITIES REPORTED IN ARKANSAS NUCLEAR ONE - UNIT 1 SEMIANNUAL ENVIRONMENTAL REPORT In the Semisnnual Environmental Monitoring Report for Arkansas Nuclear One - Unit 1, dated August 30, 1976, several points should be clarified as requested below:
1.
On page 47 it is stated that "Large hydra were found feeding on larval fish in Area C (Discharge Cove) during May 1976."
a.
Is this unusual for Southern reservoirs?
b.
If it is, could the fish populations of the reservoir be affected?
c.
Is it because of plant operations?
2.
On page 47 it is stated that "The June 1976 meter net samples from all areas of the reservoir produced 30 percent to 60 percent larval fish with raised areas or growths over the body or spinal curvature."
a.
Is this abnormality likely to be due to plant operation, and if so, what plant-related factors have caused it? If not, what other factors have caused it?
b.
Is this abnonnality likely to significantly affect the populations of the reservoir?
c.
Does this observation invalidate previous analyses made by you concerning the impact of Unit 1 on the reservoir?
3.
On page 50 it is stated that "On almost every collection trip from mid-May through June, dead but not deteriorated mussels were observed floating in every area of the reservoir."
.a.
Is this abnormality likely to be due to plant operation, and if so, what plant-related factors have caused it?
If not, what other factors have caused it?
+ b.
Is this abnormality likely to significantly affect the mussel populations of the reservoir?
c.
Is this related to the larval fish abnormality?
d.
Does this observation invalidate previous analyses made by you concerning the impact of Unit 1 on the reservoir?
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