ML21320A015

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Discharge Monitoring Report (DMR) Quality Assurance Study 41 Final Report 2021
ML21320A015
Person / Time
Site: Sequoyah  
Issue date: 11/15/2021
From: Markum T
Tennessee Valley Authority
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML21320A015 (13)
v • d • e


Text

Tennessee Valley Authority, Sequoyah Nuclear Plant, P.O. Box 2000, Soddy Daisy, TN 37384 November 15, 2021 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001

Subject:

Sequoyah Nuclear Plant, Discharge Monitoring Report (DMR) Quality Assurance Study 41 Final Report 2021 Attached is the Discharge Monitoring Report Quality Assurance Study 41 Final Report 2021 for Sequoyah Nuclear Plant.

Respectfully, Travis R. Markum Environmental Scientist 1\\14 TENNESSEE VALLEY AUTHORITY

From:

Markum, Travis R To:

"Barbara.loudermilk@tn.gov"

Subject:

TN0026450 - DMR-QA Study 41 Test Results Date:

Monday, November 15, 2021 4:37:00 PM Attachments:

SQN TN0026540 DMR-QA 41 Final Report to TDEC 11.15.21.pdf TN00999 Final Report.pdf NC00030 Final Report.pdf NC00014 Final Report.pdf NC01230 Final Report.pdf Ms. Loudermilk,

Please find attached the provider-graded test results and checklists for the 2021 DMR-QA Study 41 Laboratory Performance Evaluation. These results were obtained by TVA Sequoyah Nuclear Plant and supporting laboratories as required by NPDES Permit TN0026450.

The site ordered a follow-up test kit to re-analyze for TRC and will report the results once graded.

Let me know if you have any questions.

Travis R. Markum Env. Scientist (Compliance)

Environmental Operations TVA Sequoyah Nuclear Plant PO Box 2000, OPS 5N Soddy Daisy, TN 37384

(: 423-843-6714

  • trmarkum@tva.gov

NOTICE: This electronic message transmission contains information that may be TVA SENSITIVE, TVA RESTRICTED, or TVA CONFIDENTIAL. Any misuse or unauthorized disclosure can result in both civil and criminal penalties. If you are not the intended recipient, be aware that any disclosure, copying, distribution, or use of the content of this information is prohibited. If you have received this communication in error, please notify me immediately by email and delete the original message.

0MB Control No. 2080-0021 Approval expires 5/31 /202,

&EPA United States Environmental Prntection Agency United States Environmental Protection Agency Office of Enforcement and Compliance Assurance 1200 Pennsylvania Ave NW, Mail Code 2227A Washington, DC 20460 DMR-QA Study 41 (This data is collected under the authority of Section 308 of the Clean Water Act.)

NPDES Permittee Data Report Form Attention: Follow the instructions on the previous page to complete this form and submit data for evaluation.

Due October 22, 2021 State NPDES Permit Number Permit Extension TN 0026450 Permittee Name ITVA Sequoyah Nuclear Plant Current Permittee Mailing Address 1P.O. Box 2000, Mailstop - OPS 4A-SQN City State Zip Code 1

..... s_o_dd_y_-D_ai_sy _____________________ ~I ~

137384 Phone Number Fax Number E-mail

..... I __

+_1_(4_2_3_) _84_3_-7_0_01 __ _.II..... _________ _.

ltbmarshall@tva.gov Optional: If WP Study was used, list PT Provider name(s):

Optional: WP Study Number(s)

For DMR-QA Study 41, conducted in 2021, the Permittee ensured that their laboratory(ies) performing the required analyses:

Received PT Samples Yes 18:J No D Submitted Complete and Accurate Data by August 27, 2021 Yes 18:J No D Received a Graded Report by September 24, 2021 Yes D No 18:J Certification by Permit Holder or Authorized Representative (as per 40 CFR S~ction 122.22)

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 of my knowledge and belief, true, accurate, and complete. Each reported value was produced from a single analytical run using the analytical system that routinely performs these analyses to produce compliance monitoring data required under our National Pollutant Discharge Elimination System (NPDES) permit. Neither I nor any of my subordinates compared our results with results from independent analyses conducted by us or any other laboratory before we reported our results to the U.S.EPA. I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations.

Name of Certifying Official I Tony McMutuary Signature hone number and e-mail of certifying official are required if different from above.

Address City State Zip Code

~'~

EPA 6400-01 Rev. 1-21. Previous editions are obsolete.

Page 10 Title lsr Manager, Chem/ENV Date Phone Number 1

+ 1 < 423) 843-7089 E-mail ltmcmutuary@tva.gov

Page OMB Control No. 2080-0021 Approval expires 5/31/2023 United States Environmental Protection Agency Office of Enforcement and Compliance Assurance 1200 Pennsylvania Ave NW, Mail Code 2227A Washington, DC 20460 DMR-QA Study 41 (This data is collected under the authority of Section 308 of the Clean Water Act.)

Permit Extension NPDES Permit No.

State Lab Type*

WET Micro Chem Lab Analysis Check box(es) that apply U.S. EPA Lab Code Address of Laboratory Name of Laboratory Identification of all CHEM, MICRO and WET laboratories who performed analyses for this permit If you need additional space, please make a copy of this page for additional laboratories.

  • Lab Types: C = Commercial F = Federal G = Local Government I = Industrial O = Other S = State
    • See Footnote on page 2 (Frequently Asked Questions) for the current list of states with lab accreditation programs EPA 6400-01 Rev. 1-21. Previous editions are obsolete.

State-certified Lab**

Permittee Name 11 0026450 TN TVA-Sequoyah Nuclear Plant P.O. Box 2000 Mailstop: OPS-5N Soddy-Daisy, TN 37384 TN00999 F

Pace Analytical -

Asheville 2225 Riverside Drive Asheville, NC 28804 NC00030 C

Environmental Testing Solutions 351 Depot Street Asheville, NC 28801 NC01230 C

Pace Analytical -

Huntersville 9800 Kincey Avenue Suite 100 Huntersville, NC 28078 NC00014 C

TVA Sequoyah Nuclear Plant

&EPA United States Environmental Protection Agency I OI

~

~

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Permittee Name TV A Sequoyah Nuclear Plant State TN NP DES Permit No. 0026450 EPA Lab Code TN00999 Chemistry/Microbiology Analyte Checklist DMR QAS d 1

tu IV4 Method Number Laboratory's Graded Result Analyte determined by Analyte Test Test Required Used (optional)

Acceptable Not Acceptable state-certified lab*

(Corrective Action Required)

Mkrobiology E. coli, MF or MPN Fecal Coliform, MF or MPN Total Coliform, MF or MPN I l I l Trace Metals Aluminum Antimony Arsenic Barium Beryllium Cadmium Chromium, total Chromium, hexavalent Cobalt Copper Iron Lead Manganese Mercury Mercury (Low Level)

Molybdenum Nickel Selenium Silver Thallium Vanadium Zinc Demands 5-day BOD 5-day Carbonaceous BOD COD TOC I I r l Minerals Alkalinity, total (CaCO3)

Chloride Fluoride Hardness, total (CaCO3)

Specific conductance (25°C)

Sulfate Total Dissolved Solids (180°C)

Nutrients AmmoniaasN Nitrate as N Nitrite as N Orthophosphate as P Total Kjeldahl-Nitrogen as N Total Phosphorus as P I I I l I I Misc. Analytes Non-Filterable Residue (TSS)

Oil and Grease pH

~

USGS 1-1586-85

~

Total Cyanide Total Phenolics (4-AAP)

Total Residual Chlorine

~

HACH 8167

~

Total Residual Chlorine (Low Level)

Settleable Solids Turbidity Name Tony McMutuary Signature *P1fjC 1f!e-~

Date JJ/(rJ/J.I

  • See Footnote on page 2.

Page 12 Complete a separate checklist for EACH lab.

NPDES Permit #:

Permit Holder:

T203302 09/24/2021 04/23/2021 - 08/27/2021 TN0026450 Travis Markum SQN Environmental Scientist TVA - Sequoyah Nuclear Plant P.O. Box 2000 Mailstop: OPS-4A-SQN Soddy-Daisy, TN 37384-2000 423-843-6714 ERA Customer Number:

Report Issued:

Study Dates:

DMR-QA 41 Final Report TNI Analyte Code Analyte Units Performance Evaluation Reported Value Assigned Value Acceptance Limits Method Description Study Mean Study Standard Deviation USEPA Lab Code Study DMRQA pH (cat# 577, lot# Q041-977) 1900 pH S.U.

Acceptable 6.71 6.69 6.49 - 6.89 USGS I-1586-85 1985 6.73 0.0639 TN00999 DMRQA41 DMRQA Total Residual Chlorine (cat# 587, lot# Q041-501) 1945 Free Residual Chlorine mg/L Not Acceptable 0.43 1.62 1.20 - 1.91 HACH 8167 5th ED 2008 1.54 0.168 TN00999 DMRQA41 1940 Total Residual Chlorine mg/L Not Acceptable 0.58 1.67 1.23 - 1.97 HACH 8167 5th ED 2008 1.60 0.118 TN00999 DMRQA41 16341 Table Mountain Pkwy

  • Golden, CO 80403
  • 800.372.0122
  • 303.431.8454
  • fax 303.421.0159
  • www.eraqc.com Study # : DMR-QA 41 Ver. 1 Page 5 of 13

~ERA A Waters Company I I I

1-1------------

Permittee Name TV A Sequoyah Nuclear Plant State TN NP DES Permit No. 0026450 EPA Lab Code NC00030 Chemistry/Micro bi o Io g y Analyte Checklist DMR QA St d 41 U IY Method Number Laboratory's Graded Result Analyte determined by Analyte Test Test Required Used (optional)

Acceptable Not Acceptable state-certified lab*

(Corrective Action Required)

Microbiology E. coli, MF or MPN Fecal Coliform, MF or MPN Total Coliform, MF or MPN I I I I I I Trace Metals Aluminum Antimony Arsenic Barium Beryllium Cadmium Chromium, total Chromium, hexavalent Cobalt Copper Iron Lead Manganese Mercury Mercury (Low Level)

Molybdenum Nickel Selenium Silver Thallium Vanadium Zinc Demands 5-day BOD 5-day Carbonaceous BOD COD TOC I I I I I I Minerals Alkalinity, total (CaCO3)

Chloride Fluoride Hardness, total (CaCO3)

Specific conductance (25°C)

Sulfate Total Dissolved Solids (180°C)

Nutrients AmmoniaasN Nitrate as N Nitrite as N Orthophosphate as P Total Kjeldahl-Nitrogen as N Total Phosphorus as P I I I l I l Mlse-Analytes Non-Filterable Residue (TSS)

~

SM 2540 D-201 I

~

Oil and Grease pH Total Cyanide Total Phenolics (4-AAP)

Total Residual Chlorine Total Residual Chlorine (Low Level)

Settleable Solids Turbidity N ame Tony McMutuary Signature 7&vUr,11::,f'ltt/~

Date UlwL :11

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  • See Footnote on page 2.

Page 12 Complete a separate checklist for EACH lab.

phenovG" Certified Reference Materials DMRQA41 Graded Results Report Study: WP0721 for DMRQA41 A Ptienornei1ex Company Opening Date: July 6, 2021 - Closing Date: August 20, 2021 EPA Lab ID:

NC00030 Laboratory:

Pace Analytical - Asheville 2225 Riverside Drive Asheville, NC 28804 UNITED STATES NELAC Code 1610 1610 1610 NELAC Code 1955 1955 1960 1960 NELAC Code 1515 1515 1810 Mrs. Kasey Raley, Quality Manager 8284176052 Analyte Specific Conductance (25°C)

Specific Conductance (25°C)

Specific Conductance (25°C)

Analyte Total Dissolved Solids at 180° (TFR)

Total Dissolved Solids at 180° (TFR)

Non-Filterable Residue (TSS)

Non-Filterable Residue (TSS)

Analyte Ammonia as N Ammonia as N Nitrate as N Method Code 10006403 10006403 10006403 Method Code 20050413 20051212 Method Code 10063602 10063602 10053200 NPDES Permit ID: TN0026450 Permittee Name: TVA-SEQUOYAH NUCLEAR Method Description Units EPA 120.1

µmhos/cm EPA 120.1, Rev. 1982

µmhos/cm EPA 120.1 (1982)

µmhos/cm Method Description Units SM 2540 C-2011 mg/L SM 2540 C-2015 mg/L SM 2540 D-2011 mg/L SM 2540 D-2015 mg/L Method Description Units EPA 350.1 Rev.2 1993 mg/L EPA 350.1 (1993) mg/L EPA 300.0 Rev.2.1 1993 mg/L 1810 Nitrate as N 10067604 EPA 353.2 Rev 2 (AS LACHAT mg/L 10-107-04-1-A+C)

~

1810 Nitrate as N 10199607 EPA 9056A (2007) mg/L 1810 Nitrate as N 10199607 EPA9056A mg/L 1810 Nitrate as N 10053200 EPA 300.0 (1993) mg/L 1810 Nitrate as N 10067604 EPA 353.2 (1993) mg/L 1810 Nitrate as N 10067604 EPA 353.2 Rev.2 1993 mg/L 1810 Nitrate as N 10199607 SW-846 9056A mg/L 1870 Orthophosphate as P 20124225 SM 4500-P E-2011 mg/L Assigned Result Value 735 740 735 740 735 740 Assigned Result Value 251 248 251 248 25.9 25.9 25.9 25.9 Assigned Result Value 11.6 11.5 11.6 11.5 23.0 22.2 23.0 21.9 23.0 22.2 23.0 22.2 23.0 22.2 23.0 21.9 23.0 21.9 23.0 22.2 1.02 1.32 6390 Joyce Drive

  1. 100 Golden, CO 80403 Acceptance Evaluation Limits 661 - 808 Acceptable 661 - 808 Acceptable 661 - 808 Acceptable Acceptance Evaluation Limits 206 - 296 Acceptable 206 - 296 Acceptable 17.5 - 31.6 Acceptable 17.5 - 31.6 Acceptable Acceptance Evaluation Limits 9.24 - 13.8 Acceptable 9.24 - 13.8 Acceptable 19.3 - 26.6 Acceptable 19.3 - 26.6 Acceptable 19.3 - 26.6 Acceptable 19.3 - 26.6 Acceptable 19.3 - 26.6 Acceptable 19.3 - 26.6 Acceptable 19.3 - 26.6 Acceptable 19.3 - 26.6 Acceptable 0.865 - 1.17 Not Acceptable IACCF Proficiency Certifica Phone 30~

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Permittee Name TV A Sequoyah Nuclear Plant State TN NP DES Permit No. 0026450 EPA Lab Code NC000 14 Chemistry/Micro bi o Io g y Analyte Checklist DMR QA S d 41 tu IY Method Number Laboratory's Graded Result Analyte determined by Analyte Test Test Required Used (optional)

Acceptable Not Acceptable state-certified lab*

(Corrective Action Required)

Mkroblology E.coli, MF or MPN Fecal Coliform, MF or MPN Total Coliform, MF or MPN I I I I I I I I Ttace Metals Aluminum Antimony Arsenic Barium Beryllium Cadmium Chromium, total Chromium, hexavalent Cobalt Copper Iron Lead Manganese Mercury Mercury (Low Level)

Molybdenum Nickel Selenium Silver Thallium Vanadium Zinc Demands 5-day BOD 5-day Carbonaceous BOD COD TOC I I I I I I I I Minerals Alkalinity, total (CaC03)

Chloride Fluoride Hardness, total (CaC03)

Specific conductance (25°0 Sulfate Total Dissolved Solids (180°C)

Nutrients AmmoniaasN Nitrate as N Nitrite as N Orthophosphate as P Total Kjeldahl-Nitrogen as N Total Phosphorus as P I I I l Misc. Ana/ytts Non-Filterable Residue (TSS)

Oil and Grease

[BJ EPA 1664 B (HEM) 2010

[BJ pH Total Cyanide Total Phenolics (4-AAP)

Total Residual Chlorine Total Residual Chlorine (Low Level)

Settleable Solids Turbidity N

Signature '7M4k ¢Jt_ [ _J;i,-,-t;;;j A

u!J. 2.L2, ame Tony McMutuary Date t/

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I

  • See Footnote on page 2.

Page 12 Complete a separate checklist for EACH lab.

phenovG" ~:~;i~ny Certified Reference Materials DMRQA41 Graded Results Report Study: WP0721 for DMRQA41

,ex Opening Date: July 6, 2021 - Closing Date: August 20, 2021 EPA Lab ID:

NC00014 Laboratory:

Pace Analytical - Huntersville 9800 Kincey Avenue Suite 100 Huntersville, NC 28078 UNITED STATES Mrs. Melissa Honbarger, Quality Analyst 704-977 -0944 NELAC I Analyte Code 1803 I n-Hexane Extractable Material (O&G) (Gravimetric)

Method Code 10261617 NPDES Permit ID: TN0026450 Permittee Name: TVA-SEQUOYAH NUCLEAR Method Description Units EPA 1664 B (HEM) 2010 mg/L Assigned Value 119 Result 111 6390 Joyce Drive

  1. 100 Golden, CO 80403 Acceptance Limits 85.8 - 137 Evaluation Acceptable

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Permittee Name TV A Sequoyah Nuclear Plant State TN NP DES Permit No. 0026450 EPA Lab Code NC0l 230 Analyte WET Analyte Checklist DMR-QA Study 41 Test Number Organism/ Conditions Endpoint Required Test Code 13 (refer to EPA Method 2000.0) 754 Fathead minnow (Pimephales promelas) - MHSF 25°C LC50 D

Test Code 14 (refer to EPA Method 2000.0) 755 Fathead minnow (Pimephales promelas) - 20% DMW LC50 D

Test Code 15 (refer to EPA Method 1000.0) 756 Fathead minnow (Pimephales promelas) - MHSF NOEC SURVIVAL

[El 808 Fathead minnow (Pimephales promelas) - MHSF IC25- (ON) GROWTH

[El 810 Fathead minnow (Pimepha/es promelas) - MHSF NOEC (ON) GROWTH

[El Test Code 16 (refer to EPA Method 1000.0) 759 Fathead minnow (Pimephales promelas) - 20% DMW NOEC SURVIVAL D

812 Fathead minnow (Pimephales promelas) - 20% DMW IC25- (ON) GROWTH D

814 Fathead minnow (Pimephales promelas) - 20% DMW NOEC (ON) GROWTH D

Test Code 19 (refer to EPA Method 2002.0) 764 Ceriodaphnia dubia - MHSF 25°C LC50 D

Test Code 20 (refer to EPA Method 2002.0) 765 Ceriodaphnia dubia - 20% DMW 25°C LC50 D

Test Code 21 (refer to EPA Method 1002.0) 766 Ceriodaphnia dubia - MHSF NOEC SURVIVAL

[El 767 Ceriodaphnia dubia - MHSF IC25-REPRODUCTION

[El 768 Ceriodaphnia dubia - MHSF NOEC REPRODUCTION

[El Test Code 22 (refer to EPA Method 1002.0) 769 Ceriodaphnia dubia - 20% DMW NOEC SURVIVAL D

770 Ceriodaphnia dubia - 20% DMW IC25-REPRODUCTION D

771 Ceriodaphnia dubia - 20% DMW NOEC REPRODUCTION D

Test Code 32 (refer to EPA Method 2021.0l 788 Daphnia magna - MHSF 25°C LC50 D

Test Code 38 (refer to EPA Method 2021.0) 794 Daphnia pulex - MHSF 25°C LC50 D

Test Code 42 (refer to EPA Method 2007.OJ 798 Mysid l,Americamysis bahia, Mysidopsis bahia) 25°C LC50 D

Test Code 43 (refer to EPA Method 1007.0) 799 Mysid l,Americamysis bahia, Mysidopsis bahia)

NOEC SURVIVAL D

816 Mysid /,Americamysis bahia, Mysidopsis bahia)

IC25- (ON) GROWTH D

818 Mysid /,Americamysis bahia, Mysidopsis bahia)

NOEC (ON) GROWTH D

Test Code 44 (refer to EPA Method 2006.0) 803 Inland silverside (Menidia bery//na) 25°C LC50 D

Test Code 45 (refer to EPA Method 1006.0) 824 Inland silverside (Menidia berylina)

NOEC SURVIVAL D

825 Inland silverside (Menidia berylina)

IC25- (ON) GROWTH D

826 Inland silverside (Menidia berylina)

NOEC (ON) GROWTH D

Test Code 46 (refer to EPA Method 2004.0) 804 Sheepshead minnow (Cyprinodon variegatus) 25°(

LC50 D

Test Code 47 (refer to EPA Method 1004.0) 805 Sheepshead minnow (Cyprinodon variegatus)

NOEC SURVIVAL D

820 Sheepshead minnow (Cyprinodon variegatus)

IC25- (ON) GROWTH D

822 Sheepshead minnow (Cyprinodon variegatus)

NOEC (ON) GROWTH D

Laboratory's Graded Result Analyte Not Acceptable determined by Acceptable (Corrective Action state-certified Required) lab*

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D D

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  • See Footnote on page 2.

Signature ¥~

    • Preferred endpoint for DMR-QA performance test reporting.

Page 13 Complete a separate checklist for EACH lab.

phenovO" Certified Reference Materials DMRQA41 Graded Results Report Study: DMRQA41-WET A Pnenomenex Company Opening Date: April 23, 2021 - Closing Date: August 27, 2021 EPA Lab ID:

NC01230 Laboratory:

Environmental Testing Solutions, Inc.

351 Depot Street NELAC Code 3410 Code 3410 3410 I 3410 I NELAC I Code 3315 I

Asheville, NC 28801 USA Ms. Kelley Keenan 828-350-9364 Analyte Fathead Minnow Acute MHSF 25° - LC50 Fathead Minnow Chronic MHSF - Survival NOEC Fathead Minnow Chronic MHSF - Growth IC25 (ON)

Fathead Minnow Chronic MHSF - Growth NOEC (ON)

PT-19-WET)

Analyte Ceriodaphnia Acute MHSF 25° - LC50 I

NPDES Permit ID: TN0026450 Permittee Name: TVA/ Sequoyah Nuclear Plant Method Code Method Description Units 10213602 EPA 2000.0 - Fathead s.u.

minnow, 48-hr Acute, nonrenewal, MHSF, 25*c (2002) 10214207 EPA 1000.0 - Fathead s.u.

minnow, 7-day Chronic, daily renewal, MHSF, 25*c (2002) 10214207 I EPA 1000.0 - Fathead s.u.

minnow, 7-day Chronic, daily renewal, MHSF, 10214207 I

25*c (2002)

EPA 1000.0 - Fathead I S.U.

minnow, 7-day Chronic, daily renewal, MHSF, 25*c (2002)

Method Code Method Description Units 10213646 EPA2002.0 -

s.u.

Ceriodaphnia dubia, 48-hr Acute, nonrenewal, MHSF, 25*c c2002)

Assigned Result Value 35.6 33.0 50 50 49.7 42.3 25 25 Assigned Result Value 47.2 34.2 6390 Joyce Drive

  1. 100 Golden, CO 80403 Acceptance Evaluation Limits 26.3 - 44.8 Acceptable 25 - 100 Acceptable 27.0 - 72.5 Acceptable 12.5 - 50 Acceptable Acceptance Evaluation Limits 18.4 - 76.0 Acceptable Phone Fax i\\n.11:~\\~J~\\

ti1~hlt\\n, 303-940-0033 866-283-0269 www.phenova.com

Ei~~e~~~sr I DMRQA41 Graded Results Report Study: DMRQA41-WET A Phenornenex Company Opening Date: April 23, 2021 - Closing Date: August 27, 2021 EPA Lab ID:

NC01230 Laboratory:

Environmental Testing Solutions, Inc.

351 Depot Street NELAC Code 3315 3315 I 3315 I Asheville, NC 28801 USA Ms. Kelley Keenan 828-350-9364 Analyte Ceriodaphnia Chronic MHSF - Survival NOEC Ceriodaphnia Chronic MHSF - Reproduction IC25 Ceriodaphnia Chronic MHSF - Reproduction NOEC I

NPDES Permit ID: TN0026450 Permittee Name: lVA / Sequoyah Nuclear Plant Method Code Method Description Units 10253040 EPA 1002.0-s.u.

Ceriodaphnia dubia, 3-Brood Chronic, daily renewal, MHSF, 25°C (2002) 10253040 EPA 1002.0 -

s.u.

Ceriodaphnia dubia, 3-Brood Chronic, daily renewal, MHSF, 25°C (2002) 10253040. T --. EPA 1002.0 -

s.u.

Ceriodaphnia dubia, 3-Brood Chronic, daily renewal, MHSF, 25°C (2002)

Assigned Result Value 25 25 27.7 29.9 25 25 6390 Joyce Drive

  1. 100 Golden, CO 80403 Acceptance Evaluation Limits 12.5 - 50 Acceptable 16.2 - 39.2 Acceptable 12.5 - 50 Acceptable 1 \\

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