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HomeMy WebLinkAboutNC0005363_Toxicity Monitoring_20180701DUKE Nfe EROGRESSNERGY® P. Ntutivtii D►EQ/DWR APR 2 4 2019 WQROS FAYETTEV ii—REGONAI:OFi 10E July 1, 2018 Certified Mail # 70f7,i2680f0000 260f9393 (2 copies) North Carolina Division of Water Resources Water Sciences Section/Aquatic Toxicology Branch 1621 Mail Service Center Raleigh, NC 27699-1621 Subject: Weatherspoon's March 2019 Acute Toxicity Monitoring (Episodic) Submittal Dear Sir or Madam: W. H. Weatherspoon Plant 491 Power Plant Rd Lumberton, NC 28358 Mailing Address: L. V. Sutton Energy. Complex 801 Sutton Steam Plant Rd Wilmington, NC 28401 o: 910.341.4750 f: 910.341.4790 In accordance with. Part I, Condition A. (6) of our National. Pollutant Discharge Elimination System (NPDES) Permit No. NC0005363, enclosed is the Effluent Toxicity Report Form (AT-1) for Duke Energy Progress, LLC., Weatherspoon Steam Electric Plant Outfa11:001- Cooling Pond.. If there are any questions, please contact either: • Mr. Kent Tyndall, Environmental Professional for .:the W. H. Weatherspoon Plant, phone (910) 341-4775 or e-mail Kent.Tyndall@duke-energy.com; or • Mr.' Steve Cahoon, Environmental Specialist at -our North Carolina . Regional Office, phone (919) 546-7457 or email Steve.Cahoon@duke-energv.com. I certify, under penalty of law, that this document and : all attachments were: prepared under. my :direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted Based on my inquiry of the person or persons who manage the system, or those persons directly responsible: for gathering the information, the information submitted is, to the best ofmy knowledge and belief, true, accurate, and complete: I.am aware that there are significant penalties for submitting false information, including the possibility of fines and imprisonment for knowing. violations. Sincerely, Jeffrey. Flanagan . Station Manager . Certified Mail # v7:0,1r7. 2680f000'0 260f94 +0 (1 copy) -=Trent.Allen_ NCDENR-DWQ, FRO 225 Green Street, Ste 714 -: Fayetteville, NC 28301 Effluent Toxicity Report Form - Chronic, Pass/Fail and Acute LC5O Date 27-Mar-19 Facility: DUKE ENERGY WEATHERS Laboratory Performing X Signature X -• Test: J® ETT Environmental, Inc. Signature of Laboratory Supervisor .NPDES# NC0005363 Pipe # 001 County . Robeson•, Comments MAIL ORIGINAL TO. North 'Carolina Ceriodaphnia Chronic Pass/Fail Reproduction Toxicity Test CCNTROL,ORGANISMS # Young Produced 5 Adult (L)ive,'(D)ead. #Young Produced Environmental Science s Branch Div. of Water Quality N.C. DENR 1621 Mail Service Center Raleigh, North Carolina 27699-1621 Chronic Test Results Calculated Critical Value= % Reduction= %Mortality Avg. Regrod.., 11_ - ;12 Adult ,(L)ive,(D)ead, pH Control Treatment 2 D.O. Control Treatment 2 - Control,:-: Control Treatment 2 . Treatment 2 Control CV1. % 3rd Brood', PASS }.`FAIL'-;'„ lstsa'mple . start end 1st sample' LC50/Acute Toxicity Test (Mortality eipressed as %, combining replicates) • 1st sample start and 1st sample 2nd sample • start • end • 2nd sample 0 12.5 25 50 75 100 0 0 0 LC50 = >100 % 95% Confidence Limits NA NA % 0 0 -- Method of Determination' Moving Average Probit Spearman Kerber'. Other Organism Tested DEM Form AT-1 Pimephales promelas Concentration Mortality,. 1111 •I Page 2'of 4 X Complete This for Either Test Collection (Start) Date . • . Sample 1 ,20-Mar 19.• Sample Type (Duration) Sample 1 Sample '2 • Spec. Cond. (pmhos) Chlonrie (mg/L) Sample Temp. at receipt (°C)- Test Start Date 21-Mar-19 'Sample 2 NA Tox Tox Sample , Sample.- 0.2 start/end -' start/end 7.6 7.7 Control• • 8.0 7.8 7.5 7.7 High Conc. 9.0 7.4 D.O. Lumber A River River Intake Structure heat Exchanger (non -contact < coolina waterl Potable Water System Wells Evaporation Plant Systems Sanitary Waste System See Note 1 Plant Drains A Fire Water System Low Volume Wastes Chemical Metal See Not; 2 Cleaning Wastes — Condenser 1- Storm Water Runoff D Intake Structure Coal Pile Runoff Evaporation and Seepage CT Site Cooling Pond *1 r Ash Sluice Sys em A Ash Pond Secondary Settling Basin Septic Tank Plant Drains Oily Wastes `ty Retention Basin Oil/Water , Separator Sand & Gravel Bed Oil/Water Separator R N Outfall 001 B Outfall 002 Note 1: Service water intake from the Cooling Pond is available but seldom used. Note 2: Chemical Cleaning Wastes are normally evaporated. This is an alternate method of disposal. • Attachment 2 - Form 2C- Item IIA Flows, Source of Pollution, and Treatment Technologies Carolina Power & Light Company Weatherspoon Stearn Electric Plant Robeson County Page 1 of 2