ML20210H759

Submits Rept of Seal Entrapment at Seabrook Station,Iaw Paragraph 6(i) of Natl Marine Fisheries Svc (NMFS) Ltr of Authorization to Take Small Number of Seals Incidental to Intake Cooling Water Sys Operations at Plant

ML20210H759
Person / Time
Site:	Seabrook
Issue date:	07/30/1999
From:	Hart J NORTH ATLANTIC ENERGY SERVICE CORP. (NAESCO)
To:	Sandorf S MASSACHUSETTS, COMMONWEALTH OF
References
AR#99010393, LIC-99301, NUDOCS 9908040090
Download: ML20210H759 (6)

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i N North North Atlantic Energy Service Corporation P.O. Box 300

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Seahroet, Nn 03874 (603) 474-9521 The Northeast Utilities System July 30,1999 LIC-99301 AR # 99010393 Mr. Scott Sandorf National Marine Fisheries Service Northeast Region One 'Blackburn Drive Gloucester,MA 02173 Seabrook Station Seal Entrapment-July 2,1999 North Atlantic Energy Service Corporation (North Atlantic) hereby submits the enclosed report of a seal entrapment at Seabrook Station, in accordance with Paragraph 6(i) of the National Marine 2

Fisheries Service (NMFS) Letter of Authorization to take a small number of seals incidental to intake cooling water system operations at Seabrook Station. The results of the seat necropsy performed by the New England Aquarium are also enclosed.

The seal was first observed in Seabrook Station's Intake Transition Structure on June 30,1999 and recovered from screen wash debris on July 2,1999. North Atlantic noti 6ed' the National Marine Fisheries Service (NMFS) of this entrapment pursuant to Paragraph 6(f) of the NMFS Letter of 2 3 4 Authorization . The Environmental Protection Agency was also noti 6ed per their request .

If you have additional questions, please contact me at (603) 773-7762.

Very truly yours, NORTH ATLANTIC ENERGY SERVICE CORP.

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Manager- Environmental Compliance ,

and Industry Relations  !

Notification of seal entrapment, telephone notification by E. Saputa (North Atlantic) to S. Sandorf (NMFS) on ,

June 30,1999 l

2 NMFS Letter of Authorization dated July 2,1999, from H. Diaz-Soltero (NMFS) to T. Feigenbaum (North Atlantic)

' ,2 Notification of:,eal entrapment, telephone notification by E. Saputa (North Atlantic) to Joy Palmer on June 30, /

1999 h, g EPA letter dated June 17,1999," Offshore Intake Seal Deterrent Barrier Design," from L. Murphy (EPA) to J. Hart (North Atlantic) -

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• National Marine Fisheries Services i LIC-99301/ Page 2 l l

, cc (with Enclosure)

TECHNICAL ADVISORY COMMITTEE: U.S. ENVIRONMENTAL PROTECTION Mr. Jeffrey Andrews AGENCY:

Nil Dept of Environmental Services Water Division Mt % Ph 6 Hazen Drive NPDES Permit Compliance Section Concord, Nil 03302 U.S. Environmental Protection Agency 1 Congress Street, Suite 1100 Mr. Robert Estabrook Boston, MA 02203 NH Dept. of Environmental Services SEABROOK ECOLOGICAL ADVISORY C ne rd, 1 03302 COMMITTEE:

Mr. John Nelson Dr. John Tietjen, Chairman NH Fish and Game Department 134 Palisade Avenue 225 Main Street Leonia,NJ 07605 Durham, NH 03824 Dr. W. Huntting Ilowell Ms. Clare McBane, Ph.D. 12 James Farm NH Fish and Game Department Lee, NH 03824 225 Main Street Durham, Nil 03824  % Saul Saila 317 Switch Road Mr. Frederick Gay H Pe VaHey, RI 02832 U.S. Environmental Protection Agency Dr. Bernard J. McAlice 1 Congress Street, Suite 1100 270 Foster Road Boston, MA 02203 Round Pond, ME 04564 Mr. Damien lioulihan Dr. Robut WHce United States Environmental Protection Agency

! I Congress Street, Suite 1100 Department of Biology Boston, MA 02114-2023 221 Morrill Science Center University of Massachusetts Amherst, MA 01003 Mr. Jack Paar Environmental Protection Agency 60 Westview Street NORMANDEAU ASSOCIATES Lexington, MA 02173 Mr. Paul Geoghegan Normandeau Associates,Inc.

Mr. Eric Hutchins National Marine Fisheries Service 25 Nashua Road Northeast Region Bedford, NH 03110 ou te A 1 30 NEW ENGLAND AQUARIUM Mr. Greg Early New England Aquarium Resource and Rehabilitation Central Wharf Boston, MA 02910

~ National Marine Fisheries Services l . LIC-99301/ Page 3

'U.S. NUCLEAR REGULATORY COMMISSION U.S. Nuclear Regulatory Commission Document Control Desk Washington, D.C. 20555-0001 Mr. J. T. Harrison Senior. Project Manager Division of Reactor Projects U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 Mr. H. J. Miller Regional Administrator, Region i U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, PA 19406 NRC Senior Resident Inspector NAESCO PO Box 300 Seabrook,NH 03874 I

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SEABROOK STATION

, , SEAL ENTRAPMENT INCIDENT REPORT JULY 2,1999 Site of Entrapment and Date ofInitial Intake Transition Structure on June 30,1999 (July 2, Observation (Recovery Date): 1999).

Species Identification: Seal appears to be young harbor seal.

Description / Condition ofSeal: Good condition.

Reporter: Ron Sher, Senior Scientist Last Seal Observation: A seal was recovered on May 17. An incident report was submitted to the NMFS 5, Recent Fish Impingement: About 60 fish were impinged during the period June 22, 1999 to July 2,1999 including 25 pollock,9 rock gunnel and 6 sea raven.

Cooling Water Intake Temperature at 49 F Approximate Time of Entrapment:

Plant Power Level at Time of Seabrook Station was operating at 100 percent power.

Entrapment Discovery:

5 North Atlantic letter LIC-99213, dated May 24,1999," Seal Entrapment-May 17,1999," J. Hart (North Attentic) to S. Sandorf(NMFS)

6-SEABROOK STATION SEAL ENTRAPMENT INCIDENT NECRGPSY REPORT Accession Number: M11-99-660-Pv Site ofImpingement: Seabrook Station Screen Wash Trench Date Seal was Identified and Recovered: 7/2/99 Date Transported: 7/IS/99 by: New England Aquarium truck Date Examined- 7/21/99 by: G. Early, New England Aquarium Species: liarbor seal BriefIlistory: Small seal in good condition. No other recent impingement reported.

Circumstantial information: Last seal recovered,5/17/99 (Mil-99-629 Pv) l Description / Condition: Code: 2 Sex: M

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Weight: 35 lbs.

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Standard Length: 85 cm Ft. Flipper: 16 cm 1 Blubber thickness: 1.0 cm Rear Flipper: 18cm Axially Girth: 53 cm Gross

Description:

Good condition young of the year harbor seal... age est 2 months Significant Gross Pathology or Trauma: No heart or lung parasites... hemorrhage of eyes into anterior chamber, consistent with forced submersion. Hemorrhage surrounding larynx, I extending to thoracic inlet. I Stomach Contents: @ 10-15 grams of contents...recently ingested small fish (pos. l silversides or sand cel) no or other identifiable bones. Very light nematode load pos. indicating sealjust weaning.

Samples Saved: None saved Further Analysis: None.

Comments: Signs consistent with live impingement, possibly while foraging (recently ingested prey). Age (size) and condition of seal consistent with recently weaned, young of the year pup. No other significant disease or pathology.

Additional Measurements: Measurements of head were also taken. All measurements taken at widest point of head (at car level). Width... ! Icm. .. Depth (dorsal to ventral)..12cm... Girth (at ears). 35cm...

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