ML19308D949

LER 78-009/04X-0:on 780223-24,biomass of Fish & Shellfish Impinged on Intake Screens Exceeding 50 kg/24-h Reporting Level of Ets.Caused by Two Coal Barges Exiting & Coal Barge Entering Intake Canal During Sampling

ML19308D949
Person / Time
Site:	Crystal River
Issue date:	03/16/1978
From:	FLORIDA POWER CORP.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19308D947	List: ML19308D946 ML19308D949
References
LER-78-009-04X, LER-78-9-4X, NUDOCS 8003200696
Download: ML19308D949 (1)

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ENVIRONMENTAL LICENSEE EVENT REPORT (# 78-009/04X-0) ,

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1. Facility: Crystal River Unit #3

2. Report Date: 16 March 1978

3. Occurrence Date: February 23-24,1978 (determined at planc 15 March '1978)

4. Identification of Occurrence:

Biomass of fish and shellfish impinged on the intake screens

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of Units 1, 2 and 3 exceeded the 50 kg/24 hr. reporting level of Section 3.1.3 of the Environmental Technical Specifications.

5. Conditions prior to Occurrence:

Unit #1 - All water ci.rculation pumps operational.

Unit #2 - All water circulation pumps operational.

Unit #3 - All water circulation pumps operational. '

6. Description of Occurrence:

During the period 0900 February 23,1978 to 0900 February 24, 1978.

185.96 kg of fish and shellfish were impinged on the intake screens -

of Crystal River Units 1, 2 and 3. Of the 185.96 kg impinged, Unit 3 accounted for .123.49 kg (66% of total). Four finfish species accounted for 142.13 kg (76% of total); pinfish 28%, Atlantic sting-ray '27%, bay anchovy 12%, silver perch 9%. Two commercially utilized shellfish species, the pink ' shrimp and blue crab accounted for 11.08 kg (6% of total). The remaining biomass impinged was distributed among several species of fish and shellfish.

7. Designation of Aoparent Cause of Occurrence:

The following unusual or periodic events were noted prior to or during the occurrence:

Two coal barges exited the intake canal during sampling.

One additional coal barge entered the intake canal during sampling.

These events may have been partially responsible for the impingement observed.

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8008200(pg

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