ML19308D297

LER 78-003/04X-0:on 780119-20,biomass of Fish & Shellfish Impinged on Intake Screens Exceeding ETS Levels.Cause Undetermined

ML19308D297
Person / Time
Site:	Crystal River
Issue date:	02/02/1978
From:	FLORIDA POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19308D293	List: ML19308D292 ML19308D297
References
LER-78-003-04X, LER-78-3-4X, NUDOCS 8002270742
Download: ML19308D297 (1)

Text

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O ENVIRONMC.~AL LICENSEE EVENT REPORT 78-003/04X-0

1. Facility: Crystal River Unit #3

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2. Report Date: 2 February 1978 -

3. Occurrence Date: January 19-20, 1978 (decermined at plane 2 February 1978) 1

4. Identification of Occurrence:

Biomass of fish and shellfish impinged on the intake scraens 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 pumps operational. .

Unit #2 - All water circulation pumps operational. '

f.

Unit #3 - Three of four water circulation pumps operational.

6. Description of Occurrence:

During the period 0900 January 19, 1978 to 0900 January 20, 1978 57.69 kg of fish and shellfish were impinged on the intake screens of Crystal River Units 1, 2 and 3. Of the 57.69 kg impinged, Unit 3 accounted for 42.55 kg (74% of total). Three commercially unimportant species accounted for 41.03 kg (715 of total); silver perch 55%, pinfish 125, batfish 5%. Two ccamer-cially utilized species, the pink shrimp and the blue crab accounted for 5.38 kg (9% of total). Impingement of all other commercially utlized 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 Accarent Cause of Occurrence: -

The following unusual or periodic event was noted pri- to or during the occurrence:

No unusual or periodic events were noted during this occurrence.

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