DCL-2019-521, Sea Turtle Stranding Report (Green Sea Turtle) Diablo Canyon Power Plant

Sea Turtle Stranding Report (Green Sea Turtle) Diablo Canyon Power Plant

ML19246A093
Person / Time
Site:	Diablo Canyon
Issue date:	08/20/2019
From:	Cortina D Pacific Gas & Electric Co
To:	Viezbicke J Document Control Desk, Office of Nuclear Reactor Regulation, US Dept of Commerce, National Oceanographic and Atmospheric Administration
References
DCL-2019-521
Download: ML19246A093 (6)

Text

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. !EU~u:Utrffff: C@Ul!Dff>>BltmJ/ C IDlialbJ!o ieafil'\lfil IJllower IP'!auJ1t P. 0. Box 56 Avila Beach, CA 93424 PG&E Letter DCL-2019-521 Certified/Return Receipt

1. 7014-2120-0004-6299-8333 August 20, 2019 Justin Viezbicke California Stranding Network Coordinator NOAA Fisheries 501 West Ocean Blvd., Suite 4200 Long Beach, California 90802-4213 Sea Turtle Stranding Report (Green Sea Turtle) Diablo Canyon Power Plant Enclosed is NOAA Fisheries West Coast Sea Turtle Stranding Report (Copy) for a sea .turtle discovered in the Diablo Canyon Power Plant (DCPP) intake structure. This report was previously provided to NOAA Fisheries by the Marine .Mammal Center (MMC) Morro Bay which managed the specimen following recovery from the power plant intake structure.

On July 26, 2019, a live sea turtle was discovered by commercial divers at approximately 13:04 hours. within the power plant intake structure 2-5 forebay.'The turtle was subsequently identified as a green sea turtle (Che/onia mydas). '

As authorized in* DCPP's incidental take statement issued September 18, 2006, facility staff removed the turtle from the intake structure forebay that afternoon (July 25th) and transferred the turtle to the management and care of MMC staff at the direction of NMFS. The turtle was removed using a netted platform, then transported from the intake structure in the bed of a truck. Photographs taken of the recovered turtle are enclosed.

MMC transferred the turtle to the Aquarium of the Pacific in Long Beach, CA on July 25th for further examination, assessment, and eventual release (l?cheduled for Thursday, August 15).

The aquarium measured the turtle's weight at 22.7 kilograms and shell length (notch-tip) at 64.3 centimeters, and noted the animal appeared to be in average health based on visual observation. There were no apparent abrasions or indication of any injury. The turtle was transferred to MMC staff for initial transport to the Morro Bay Care facility and later to the

• Aquarium of the Pacific. The turtle was tagged by Aquarium staff on the right front flipper with Tag 4810705765. Discovery and disposition of the turtle was reported by MMC to NOAA Fisheries on July 26, 2019, within the required 48-hour facility reporting period.

Live green sea turtles have been discovered at DCPP's intake structure on twelve previous occasions during commercial operations: September 22, 2014, September 21, 2012, August 08, 2010, September 08, 2009, July 23, 2007, February 27, 2001, April 16, 2000, August 24, 1999, May 29, 1999, June 12, 1997, January 10, 1997, and April 27, 1994. Green sea turtles are infrequently observed in the coastal waters in the vicinity of the power plant.

( ...

If ydu have any questions or concerns regarding the enclosed report, or require additional information, please contact Ninah Rhodes Hartley at (805) 545-3326.

Sincerely, J.JJ)r-David Cortina Manager - Chemistry and Environmental Operations 2019521/bkc/nrh Enclosures (2)

PG&E Letter DCL-2019-521 Justin Viezbicke, NOAA Fisheries August 20, 2019 cc w/en<;;losures: Balwant K. Singal NRR Project Manager U.S. Nuclear Regulatory Commission One White Flint North Mail Stop 8 H4A 11555 Rockville Pike Rockville, MD 20852-2738 Chris Newport NRC Senior Resident Inspector U.S. Nuclear Regulatory Commission Diablo Canyon Power Plant 104/5 Scott Morris Regional Administrator

• Licensing Assistant, Operations Branch U.S. Nuclear Regulatory Commission Region IV 1600 East Lamar Boulevard., Suite 400 Arlington, TX 76011-4511 U.S. Nuclear Reg1,1latory Commission Document Control Desk Washington, D.C. 20555-0001 Marine Region California Department of Fish and Wildlife 20 Lower Ragsdale Dr. Suite 100 Monterey, CA 93940 Robin LeRoux National Marine Fisheries Service Southwest Fisheries Science Center 8901 La Jolla Shores Drive La Jolla, CA 92037

August 20, 2019 Enclosure 1 Copy NMFS Stranding Report Green Sea Turtle (Chelonia mydas)

Diablo Canyon Power Plant (DCPP) - July 26, 2019 Report Generated by Marine Mammal Center (MMC) Morro Bay

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Revised 10/18/2016 U.S.

• WEST COAST SEA TURTLE STRANDING REPORT FIELD# ST- °'J 't NMFSREGIONAL#- - - - - - - - - - Other# f,;vr L'/fJ 1f'tDL DATEINITIALLYOBSERVED:' .Jl'L ~,£ 20J_.9_ DATEEXAMINED: ~]_ ~~ 20J_'7 RESTRANDER? 0 Month Dny Year Moll th D.ay Year INITALLY OBSERVED BY: ~~-n~ - ""b,c..\?\o c gt,-!CJfl EXAMINED BY: \J\ e,~ct \- \:>,a no..,~ rct-""'-er 1~J;;;r~~"\,.~"'~o.e.~ ,

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Phone ('8055"15-LfL/01* Email 1J IA Phone ~):l:1:l..- s.soo Email \.,e;n:;v::fJiU"d@_+/-rom<:-*"~

D Private citizen D Beach official O Stranding newiork member Affiliallon._:"t__,__,_M'--'-Lrvl-"--"'C...=-------------- J SPECIES: OUnidentified LOCATION: Checkoneoption. 0Beached ~loa!inginwater A G reeo CilY. Avi ICl 13l'Cl C.h . county San LI.A./':::.. ol:::,1' ~70 state_(_ _

Commonname Localitydetai!s(bespecific): 'l>,o.\o\D (D.O'-Jt?C\ 'fo:a:bo.... . .,1 / \KJ-\-a.~e.

Genus Spe!bci Dig~tal phot?s taken: ¥es P ~q Latitude :2L 5 .~J_ ~~ "-N--Longitude- I ';}...Q.. ll..5..x.'i?. "ifrRacord in decimal degrees.

Venfredby:Pf'-\.Wa: ~ 1-\u.-.";> Howdetennined(checkone): OGPS 0Map ~temet/software r-~ ~~c,,..\e fV\C,OS AGE: (NMFS Us11 Only) J J D Hatchling D Immature SEX: D Male D Female *-i;;a_'Unknown MEASUREM~S: D Whole carcass 0Partia. Uscavenged D Adult D Unknown Does tail extend beyond carap{ce?' Body weight l,'2.l_Actual D Estimate '2. '2 ;] kg D Yes D No CARAPACE:

CO)JDITI ON: How was sex determined? Curved Carapace Length (nuchal notch to tip) 11;<-I . ~ cm

, :Ef-:1.= Alive D Tail length D Penis D Necropsy Curved Carapace Width (at widest point) bo, b cm D 2::: Fresh dead 1-------------; Straight Carapace Length D Calipers &Tape ~ Q , S'" cni D 3 = Moderate decomposition BOD)' CONDITION: Straight Carapace Width D Calipers~Tape {d---Z. J cm D 4::: Advanced decomposmon D 1 =Poor D 4 =Good TAIL:

0 5 = Dried mummified/ skeleton O 2 = Fair D 5 = Excellent End of plastron to !ail tip (ventral side) I S:: cm D 6 =Unknown Gondition (== :~~*~erag~) . q 6= Unknown Cloaca to tail tip (ventral side)  ? .6 cm TAGS: Contar:tNMFSbeforedisposingofanytag[!!!panimalll HUMAN INTERACTION: 0 Yes O No Ocanno!BeDeterrnined .

FLIPPER: Existing metal fags present? D Yes ~ o If yes, choose one or more. De.scribe and draw on diagram on back of page.

Tag# left/ Right _ _._Front/ Rear D 1 = Boat collision _ _ _ _ _ _ _ _*_ _ _ _ _ _ _ _ __

Tag# left/ Right _ _ Front/Rear D 2 =Shot _ _ _ _= - - - - : = - - - - - - - - , = - - - - - = , - - - -

Retum address: D 3:: Fishery interaction D Hook D Monofilament O Braided line D Netting Evidence of old fag holes/ rips in flippers D Yes O No !:I)= Oiled - - - - - - = - - - , - - ~ - - - - - - - -

If yes, draw on diagram on back of page. ~ * ~ Power plant entrainment* hw.,\:.,o...'I / 1 o ~ 6 lL..12.. u.:ce a PIT: Existing PIT tags pres~! D Yes No D 6:: Other ~

Scanner type: DAVID niversa! tag reader How determined? D External exam O!ntemal exam D Necropsy PIT tag#

• Evidence collected? D Yes D No Describe

• Location: _J,eftl Right _ _ Front/ Rear Storage localion_ _ _ _ _ _ _-.::=,--=-------'------

PIT tag# Digital photos sent to NMFS coordinator? ijfYes D No Loca!lon: _Leff/ Right ~Front/ Rear APPLl~D NEW TAGS (live turtle): ~*~Yes !J.tlo t-0-T-H-ER-FI_N_D_IN_G_S_:-0-Y-es~~~--0-C_an_n-ot_B_eD-e-te-rm-in-ed-----1 Tag # lf/3/o 7:DSr/p.5" Le RI - - ~ Rear If.yes, choose one or more. Describe and draw on diagram on back of page.

Tag# left/ 1ght _ _ Front/Rear D 1=Disease PIT tag# 02=Trauma~-------.---------

location: __J_eft/ Right _Front/ Rear D 3 == Cold stunning _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

PIT tag# D 4 = Other,_--=,------c--~--------==-------

Locatlon: _Leff/ Right _Front/ Rear How detennined? 0 External exam D Internal exam D Necropsy AL DISPOSITION: Check all that apply.

1 = Al!ve, released O At site .~Relocated 2

:: Ahve, transferred to rehab1lfaiion Date 7/2/a ff7 i . lffishery interaction, giseetangled prior to release? O Yes D No Facility __:__t'<.":f1tun e, £ f/..g /a(~; 4c* .

D 3 = Euthanized at site By ' Carcass d' osition

• D 4 = Dead, left at site Marked? D Yes 0No How? '-------------------

0 5 = Dead, buried: D On beach D Off beach Where?_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

0 6 = Dead, salvaged: 0 Whole carcass O Part(s) D Frozen for later exam Please note all specimens collected and disposition on baclr.

D 7 = Necropsied; 0 Field D L~boratory Date By:_ _ _ _ _ _ _ _ _ __

D 8 = Leftfloating, not recovered Why?_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 D 9 = D!spositlon unknown Explain: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __

PG&E Letter DCL-2019-521 August 20, 2019 Enclosure 2 Specimen Photographs - Green Sea Turtle (Che/onia mydas)

Diablo Canyon Power Plant (DCP~)- July 26, 2019 Photographs Page 1 of 1