ML19317G345
| ML19317G345 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 04/28/1977 |
| From: | FLORIDA POWER CORP. |
| To: | |
| Shared Package | |
| ML19317G341 | List: |
| References | |
| NUDOCS 8002280946 | |
| Download: ML19317G345 (1) | |
Text
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.O ENVIRONMENTAL LICENSEE EVENT REPORT (# 77-35E)
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1.
Facility: Crystal River Unit #3 2.
Report Date: 28 April 1977 3.
Occurrence Date:
5-6 April, 1977 4.
Identification of Occurrence:
Biomass of fish and shellfish impinged on the intake screens of Units 1, 2 and 3 exceeded the 50 kg/24hr reporting level of section 3.1.3 of the Environmental Technical Specifications.
5.
Conditions Prior to Occurrence:
Unit #1 - All water circulation pumpf non-operational (Unit 1 down, maintenance).
Unit #2 - All water circulation pumps operational.
r Unit #3 - 1 of 4 water circulation pumps non-operational from 1000 to 1115 on 4-5-77, all others operational.
r-6.
Description of Occurrence:
During the period 1000 April 5, 1977 to 1000 April 6, 1977 m\\
74.14 kg of fish and shellfish were impinged on the intake screens of Crystal River Units 1, 2 and 3.
Of the 74.14 kg impinged, Unit 3 accounted for 45.96 kg (62% of total). Two comercially unimportant species, the batfish and the cowfish-accounted for 31.23 kg (42% of total). Two comercially utilized species, the pink shrimp and the blue crab accounted for 31.74 kg (43% of total).
Impingement of all other commercially utilized species was less than 1 kg during the period in question. The remaining biomass impinged was distributed among several species of fish and shellfish.
7.
Designation of Apparent Cause of Occurrence:
The following unusual or periodic events were noted prior to or during the occurrence:
A.
Barge traffic One oil barge left the intake canal B.
Strong NW winds (15-25 knots) throughout sample period.
These events may have been partially responsibic for the impingement observed.
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' '. ' i A..'.
t JFS/bz
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4/25/77 8 0 02 280 ff/g
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