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)

Text

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

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.

8008200(pg

.