ML19308D384: Difference between revisions

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         )                        ENVIRONMENTAL LICENSEE EVENT REPORT 77-160E/04X-0
         )                        ENVIRONMENTAL LICENSEE EVENT REPORT 77-160E/04X-0
                                                                                                                ,
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: 1. Facility:              Crystal River Unit #3                      -
: 1. Facility:              Crystal River Unit #3                      -
: 2. Report Date:          18 January 1978
: 2. Report Date:          18 January 1978
: 3. Occurrence Date:        21-22 December 1977 (determined at plant 17 January 1978)                        !
: 3. Occurrence Date:        21-22 December 1977 (determined at plant 17 January 1978)                        !
,
1 j    4. Identification of Occurrence:
1 j    4. Identification of Occurrence:
Biomass of fish and shellfish impinged on the intake screens of Units 1, 2, and 3 exceeded the 50 kg/24 hour reporting level of Section 3.1.3 of Environ-mental Technical Specifications.                                                                      ,
Biomass of fish and shellfish impinged on the intake screens of Units 1, 2, and 3 exceeded the 50 kg/24 hour reporting level of Section 3.1.3 of Environ-mental Technical Specifications.                                                                      ,
: 5. Conditions Prior to Occurrence:
: 5. Conditions Prior to Occurrence:
Unit #1 - All water circulation pumps operational.
Unit #1 - All water circulation pumps operational.
Unit #2 - All water circulation pumps non-operational (unit down) .                              I
Unit #2 - All water circulation pumps non-operational (unit down) .                              I Unit #3 - All water circulation pumps operational.                                              .]
:.
Unit #3 - All water circulation pumps operational.                                              .]
: 6. Description of Occurrence:
: 6. Description of Occurrence:
During the period 0900 21 December 1977 to 0900 22 December 1977 95.24 kg of fish and shellfish were impinged on the intake screens of Crystal River Units                        i 1, 2, and 3. Of the 95.24 kg impinged, Unit 3 accounted for 74.04 kg (78% of total). One commercially unimportant species, the batfish, accounted for                              !
During the period 0900 21 December 1977 to 0900 22 December 1977 95.24 kg of fish and shellfish were impinged on the intake screens of Crystal River Units                        i 1, 2, and 3. Of the 95.24 kg impinged, Unit 3 accounted for 74.04 kg (78% of total). One commercially unimportant species, the batfish, accounted for                              !
57.99 kg (61% of total) . Two commercially utilized species, the pink shrimp                      )
57.99 kg (61% of total) . Two commercially utilized species, the pink shrimp                      )
and the blue crab, accounted for 25.31 kg (27% of total) . Impingement of all
and the blue crab, accounted for 25.31 kg (27% 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.
'
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:
: 7. Designation of Apparent Cause of Occurrence:
The following unusual or periodic event was noted prior to, or during, the occurrence:
The following unusual or periodic event was noted prior to, or during, the occurrence:
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Revision as of 11:41, 1 February 2020

LER 77-160E/04X-0:on 771221-22,biomass of Fish & Shellfish Impinged on Intake Screens Exceeding 50 kg/24-h ETS Levels. Partially Caused by Oil Barge Entering Intake Canal During Sampling
ML19308D384
Person / Time
Site: Crystal River Duke Energy icon.png
Issue date: 01/18/1978
From:
FLORIDA POWER CORP.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19308D376 List:
References
LER-77-160E-04X, LER-77-160E-4X, NUDOCS 8002270833
Download: ML19308D384 (1)
v • d • e


Text

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) ENVIRONMENTAL LICENSEE EVENT REPORT 77-160E/04X-0

1. Facility: Crystal River Unit #3 -
2. Report Date: 18 January 1978
3. Occurrence Date: 21-22 December 1977 (determined at plant 17 January 1978)  !

1 j 4. Identification of Occurrence:

Biomass of fish and shellfish impinged on the intake screens of Units 1, 2, and 3 exceeded the 50 kg/24 hour reporting level of Section 3.1.3 of Environ-mental Technical Specifications. ,

5. Conditions Prior to Occurrence:

Unit #1 - All water circulation pumps operational.

Unit #2 - All water circulation pumps non-operational (unit down) . I Unit #3 - All water circulation pumps operational. .]

6. Description of Occurrence:

During the period 0900 21 December 1977 to 0900 22 December 1977 95.24 kg of fish and shellfish were impinged on the intake screens of Crystal River Units i 1, 2, and 3. Of the 95.24 kg impinged, Unit 3 accounted for 74.04 kg (78% of total). One commercially unimportant species, the batfish, accounted for  !

57.99 kg (61% of total) . Two commercially utilized species, the pink shrimp )

and the blue crab, accounted for 25.31 kg (27% 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 event was noted prior to, or during, the occurrence:

One oil barge entered the intake canal during sampling.

This event may have been partially responsible for the impingement cbserved.

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80n nog'33 l

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