ML24011A318

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Submittal of Discharge Monitoring Report (Dmr), October 2023
ML24011A318
Person / Time
Site: Sequoyah  Tennessee Valley Authority icon.png
Issue date: 01/11/2024
From: Markum T
Tennessee Valley Authority
To:
Office of Nuclear Reactor Regulation
Shared Package
ML24011A315 List:
References
Download: ML24011A318 (1)
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Text

Tennessee Valley Authority, Sequoyah Nuclear Plant, P.O. Box 2000, Soddy Daisy, TN 37384 January 11, 2024 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001

Subject:

Sequoyah Nuclear Plant, Discharge Monitoring Report (DMR), October 2023 Attached is the October 2023 DMR for Sequoyah Nuclear Plant.

Respectfully, Travis R. Markum Environmental Scientist

DMR Copy of Record Permit Permit #: TN0026450 Permittee: Tennessee Valley Authority (TVA) Facility: TVA SEQUOYAH NUCLEAR PLANT (SQN)

Major: Yes Permittee Address: 1101 Market Street, BR 2C Facility Location: SEQUOYAH ACCESS ROAD Chattanoga, TN 37402 SODDY DAISY SODDY DAISY, TN 37379 Permitted Feature: 101 Discharge: 101-G External Outfall Monthly reporting for Outfall 101 (& 101 Emergency Spillway)- Diffuser Pond Report Dates & Status Monitoring Period: From 10/01/23 to 10/31/23 DMR Due Date: 11/15/23 Status: NetDMR Validated Considerations for Form Completion If a limit violation or NODI code is reported, explain in comments. If no discharge, report NODI C. If value is below detection limit, report NODI B and include detection limit in comments. For PCBs, report NODI 9 if monitoring was not conducted, and notify Division when data is reported so DMRs can be modified.

Principal Executive Officer First Name: Thomas

Title:

Vice President Telephone: 423-843-7001 Last Name: Marshall No Data Indicator (NODI)

Form NODI: --

Parameter Monitoring Location Season Param. Quantity or Loading Quality or Concentration # of Frequency of Analysis Sample Type Code Name # NODI Qualifier Value 1 Qualifier Value 2 Units Qualifier Value 1 Qualifier Value Qualifier Value 3 Units Ex.

1 2 1 2 2 3 04 - RC - Recorder Sample = 39.9 99/99 - Continuous deg C (auto)

Permit 04 - RC - Recorder 00010 Temperature, water deg. centigrade 1 - Effluent Gross 0 -- Req.

Req Mon DAILY MX deg C 99/99 - Continuous (auto)

Value NODI 04 -

Sample = 27.1 99/99 - Continuous CA - CALCTD deg C Z - Instream Permit 04 -

00010 Temperature, water deg. centigrade 0 -- Req.

<= 30.5 DAILY MX deg C 99/99 - Continuous CA - CALCTD Monitoring Value NODI 04 -

Sample = 2.4 99/99 - Continuous CA - CALCTD deg C Permit 04 -

00016 Temp. diff. between samp. & upstrm deg. C 1 - Effluent Gross 1 -- Req.

<= 3.0 DAILY MX deg C 99/99 - Continuous CA - CALCTD Value NODI Sample Permit 20 - 01/EP - Once Every

<= 0.0 DAILY MX GR - GRAB Req. ppm Permit Cycle 39516 Polychlorinated biphenyls [PCBs] 1 - Effluent Gross 0 --

Value 9 - Conditional Monitoring - Not NODI Required This Period RC - Recorder Sample = 1791.0 = 1809.8 03 - MGD 99/99 - Continuous (auto)

Permit Req Mon MO Req Mon RC - Recorder 50050 Flow, in conduit or thru treatment plant 1 - Effluent Gross 0 -- Req. AVG DAILY MX 03 - MGD 99/99 - Continuous (auto)

Value NODI Sample Permit 19 -

<= 0.027 MO AVG <= 0.047 DAILY MX 01/07 - Weekly GR - GRAB 50060 Chlorine, total residual 1 - Effluent Gross 0 -- Req. mg/L Value B - Below Detection Limit/No Detection B - Below Detection Limit/No Detection NODI 62 - deg Sample = 0.1 99/99 - Continuous CA - CALCTD C/hr Z - Instream Permit 62 - deg 82234 Temperature rate of change deg. C/hr 0 -- Req.

<= 2.0 DAILY MX C/hr 99/99 - Continuous CA - CALCTD Monitoring Value NODI Sample Permit

> 69.0 MINIMUM 23 - % 01/30 - Monthly CP - COMPOS IC25 Sub-Lethal Static Renewal 7 Day Chronic Req.

T7P3B 1 - Effluent Gross 0 --

Ceriodaphnia dubia Value 9 - Conditional Monitoring - Not NODI Required This Period Sample Permit

> 69.0 MINIMUM 23 - % 01/30 - Monthly CP - COMPOS IC25 Sub-Lethal Static Renewal 7 Day Chronic Req.

T7P6C 1 - Effluent Gross 0 --

Pimephales promelas Value 9 - Conditional Monitoring - Not NODI Required This Period Submission Note If a parameter row does not contain any values for the Sample nor Effluent Trading, then none of the following fields will be submitted for that row: Units, Number of Excursions, Frequency of Analysis, and Sample Type.

Edit Check Errors No errors.

Comments Method Detection Limit for Total Residual Chlorine is 0.05 mg/L.

Attachments No attachments.

Report Last Saved By Tennessee Valley Authority (TVA)

User: TRMARKUM Name: Travis Markum E-Mail: trmarkum@tva.gov Date/Time: 2023-11-13 14:03 (Time Zone: -06:00)

Report Last Signed By User: TMCMUTUA Name: Tony McMutuary E-Mail: tmcmutuary@tva.gov Date/Time: 2023-11-13 15:30 (Time Zone: -06:00)

DMR Copy of Record Permit Permit #: TN0026450 Permittee: Tennessee Valley Authority (TVA) Facility: TVA SEQUOYAH NUCLEAR PLANT (SQN)

Major: Yes Permittee Address: 1101 Market Street, BR 2C Facility Location: SEQUOYAH ACCESS ROAD Chattanoga, TN 37402 SODDY DAISY SODDY DAISY, TN 37379 Permitted Feature: 103 Discharge: 103-G Internal Outfall Monthly reporting for IMP 103- Low Volume Waste Treatment Pond Report Dates & Status Monitoring Period: From 10/01/23 to 10/31/23 DMR Due Date: 11/15/23 Status: NetDMR Validated Considerations for Form Completion All parameters require data entry. If a limit violation or NODI code is reported, explain in comments. If value is below detection limit, report NODI B and include detection limit in comments.

Principal Executive Officer First Name: Thomas

Title:

Vice President Telephone: 423-843-7001 Last Name: Marshall No Data Indicator (NODI)

Form NODI: --

Parameter Monitoring Location Season # Param. NODI Quantity or Loading Quality or Concentration # of Ex. Frequency of Analysis Sample Type Code Name Qualifier 1 Value 1 Qualifier 2 Value 2 Units Qualifier 1 Value 1 Qualifier 2 Value 2 Qualifier 3 Value 3 Units Sample = 6.7 = 6.7 12 - SU 01/30 - Monthly GR - GRAB Permit Req. >= 6.0 MINIMUM <= 9.0 MAXIMUM 12 - SU 01/30 - Monthly GR - GRAB 00400 pH IM - Internal Monitoring Point 0 --

Value NODI Sample = 16.7 = 17.0 19 - mg/L 01/30 - Monthly GR - GRAB Permit Req. <= 30.0 MO AVG <= 100.0 DAILY MX 19 - mg/L 01/30 - Monthly GR - GRAB 00530 Solids, total suspended IM - Internal Monitoring Point 0 --

Value NODI Sample < 4.8 < 4.8 19 - mg/L 01/30 - Monthly GR - GRAB Permit Req. <= 15.0 MO AVG <= 20.0 DAILY MX 19 - mg/L 01/30 - Monthly GR - GRAB 00552 Oil and grease, hexane extr method IM - Internal Monitoring Point 0 --

Value NODI Sample = 0.953 = 0.953 03 - MGD 01/30 - Monthly IN - INSTAN Permit Req. Req Mon MO AVG Req Mon DAILY MX 03 - MGD 01/30 - Monthly IN - INSTAN 50050 Flow, in conduit or thru treatment plant IM - Internal Monitoring Point 0 --

Value NODI Submission Note If a parameter row does not contain any values for the Sample nor Effluent Trading, then none of the following fields will be submitted for that row: Units, Number of Excursions, Frequency of Analysis, and Sample Type.

Edit Check Errors No errors.

Comments Attachments No attachments.

Report Last Saved By Tennessee Valley Authority (TVA)

User: TRMARKUM Name: Travis Markum E-Mail: trmarkum@tva.gov Date/Time: 2023-11-13 14:05 (Time Zone: -06:00)

Report Last Signed By User: TMCMUTUA Name: Tony McMutuary E-Mail: tmcmutuary@tva.gov Date/Time: 2023-11-13 15:30 (Time Zone: -06:00)

DMR Copy of Record Permit Permit #: TN0026450 Permittee: Tennessee Valley Authority (TVA) Facility: TVA SEQUOYAH NUCLEAR PLANT (SQN)

Major: Yes Permittee Address: 1101 Market Street, BR 2C Facility Location: SEQUOYAH ACCESS ROAD Chattanoga, TN 37402 SODDY DAISY SODDY DAISY, TN 37379 Permitted Feature: 107 Discharge: 107-G Internal Outfall Monthly reporting for IMP 107- Metal Cleaning Waste Ponds Report Dates & Status Monitoring Period: From 10/01/23 to 10/31/23 DMR Due Date: 11/15/23 Status: NetDMR Validated Considerations for Form Completion All parameters require data entry. If a limit violation or NODI code is reported, explain in comments. If value is below detection limit, report NODI B and include detection limit in comments. If routine decanting of stormwater, report NODI 9.

Principal Executive Officer First Name: Thomas

Title:

Vice President Telephone: 423-843-7001 Last Name: Marshall No Data Indicator (NODI)

Form NODI: --

Parameter Monitoring Location Season # Param. NODI Quantity or Loading Quality or Concentration # of Ex. Frequency of Analysis Sample Type Code Name Qualifier 1 Value 1 Qualifier 2 Value 2 Units Qualifier 1 Value 1 Qualifier 2 Value 2 Qualifier 3 Value 3 Units Sample Permit Req. >= 6.0 MINIMUM <= 9.0 MAXIMUM 12 - SU 01/01 - Daily GR - GRAB 00400 pH IM - Internal Monitoring Point 0 --

Value NODI C - No Discharge C - No Discharge Sample Permit Req. <= 30.0 MO AVG <= 100.0 DAILY MX 19 - mg/L 01/01 - Daily CP - COMPOS 00530 Solids, total suspended IM - Internal Monitoring Point 0 --

Value NODI C - No Discharge C - No Discharge Sample Permit Req. <= 15.0 MO AVG <= 20.0 DAILY MX 19 - mg/L 01/01 - Daily GR - GRAB 00552 Oil and grease, hexane extr method IM - Internal Monitoring Point 0 --

Value NODI C - No Discharge C - No Discharge Sample Permit Req. <= 1.0 MO AVG <= 1.0 DAILY MX 19 - mg/L 01/01 - Daily CP - COMPOS 01042 Copper, total [as Cu] IM - Internal Monitoring Point 0 --

Value NODI C - No Discharge C - No Discharge Sample Permit Req. <= 1.0 MO AVG <= 1.0 DAILY MX 19 - mg/L 01/01 - Daily CP - COMPOS 01045 Iron, total [as Fe] IM - Internal Monitoring Point 0 --

Value NODI C - No Discharge C - No Discharge Submission Note If a parameter row does not contain any values for the Sample nor Effluent Trading, then none of the following fields will be submitted for that row: Units, Number of Excursions, Frequency of Analysis, and Sample Type.

Edit Check Errors No errors.

Comments Attachments No attachments.

Report Last Saved By Tennessee Valley Authority (TVA)

User: TRMARKUM Name: Travis Markum E-Mail: trmarkum@tva.gov Date/Time: 2023-11-13 14:06 (Time Zone: -06:00)

Report Last Signed By User: TMCMUTUA Name: Tony McMutuary E-Mail: tmcmutuary@tva.gov Date/Time: 2023-11-13 15:30 (Time Zone: -06:00)

DMR Copy of Record Permit Permit #: TN0026450 Permittee: Tennessee Valley Authority (TVA) Facility: TVA SEQUOYAH NUCLEAR PLANT (SQN)

Major: Yes Permittee Address: 1101 Market Street, BR 2C Facility Location: SEQUOYAH ACCESS ROAD Chattanoga, TN 37402 SODDY DAISY SODDY DAISY, TN 37379 Permitted Feature: 110 Discharge: 110-G External Outfall Monthly Reporting for Outfall 110 Report Dates & Status Monitoring Period: From 10/01/23 to 10/31/23 DMR Due Date: 11/15/23 Status: NetDMR Validated Considerations for Form Completion All parameters require data entry. If outfall is inactive, report NODI C. If a limit violation or NODI code is reported, explain in comments. If value is below detection limit, report NODI B and include detection limit in comments.

Principal Executive Officer First Name: Thomas

Title:

Vice President Telephone: 423-843-7001 Last Name: Marshall No Data Indicator (NODI)

Form NODI: --

Parameter Monitoring Location Season Param. Quantity or Loading Quality or Concentration # of Frequency of Analysis Sample Type Code Name # NODI Qualifier Value 1 Qualifier Value 2 Units Qualifier Value 1 Qualifier Value Qualifier Value 3 Units Ex.

1 2 1 2 2 3 Sample Permit Req Mon DAILY 04 - deg RC - Recorder 99/99 - Continuous Req. MX C (auto) 00010 Temperature, water deg. centigrade 1 - Effluent Gross 0 --

Value C - No NODI Discharge Sample Permit 04 - deg

<= 30.5 DAILY MX 99/99 - Continuous CA - CALCTD Z - Instream Req. C 00010 Temperature, water deg. centigrade 0 --

Monitoring Value C - No NODI Discharge Sample Permit 04 - deg

<= 3.0 DAILY MX 99/99 - Continuous CA - CALCTD Req. C 00016 Temp. diff. between samp. & upstrm deg. C 1 - Effluent Gross 1 --

Value C - No NODI Discharge Sample Permit 01/EP - Once Every Permit

<= 0.0 DAILY MX 20 - ppm GR - GRAB Req. Cycle 39516 Polychlorinated biphenyls [PCBs] 1 - Effluent Gross 0 --

Value C - No NODI Discharge Sample Permit Req Mon DAILY RC - Recorder Req Mon MO AVG 03 - MGD 99/99 - Continuous Req. MX (auto) 50050 Flow, in conduit or thru treatment plant 1 - Effluent Gross 0 --

Value C - No C - No NODI Discharge Discharge Sample Permit

<= 0.027 MO AVG <= 0.047 DAILY MX 19 - mg/L 01/07 - Weekly GR - GRAB Req.

50060 Chlorine, total residual 1 - Effluent Gross 0 --

Value C - No C - No NODI Discharge Discharge Sample Permit 62 - deg

<= 2.0 DAILY MX 99/99 - Continuous CA - CALCTD Z - Instream Req. C/hr 82234 Temperature rate of change deg. C/hr 0 --

Monitoring Value C - No NODI Discharge Sample Permit

> 69.0 MINIMUM 23 - % 01/30 - Monthly CP - COMPOS IC25 Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia Req.

T7P3B 1 - Effluent Gross 0 --

dubia Value C - No NODI Discharge Sample Permit

> 69.0 MINIMUM 23 - % 01/30 - Monthly CP - COMPOS IC25 Sub-Lethal Static Renewal 7 Day Chronic Pimephales Req.

T7P6C 1 - Effluent Gross 0 --

promelas

Value C - No NODI Discharge Submission Note If a parameter row does not contain any values for the Sample nor Effluent Trading, then none of the following fields will be submitted for that row: Units, Number of Excursions, Frequency of Analysis, and Sample Type.

Edit Check Errors No errors.

Comments Attachments No attachments.

Report Last Saved By Tennessee Valley Authority (TVA)

User: TRMARKUM Name: Travis Markum E-Mail: trmarkum@tva.gov Date/Time: 2023-11-13 14:06 (Time Zone: -06:00)

Report Last Signed By User: TMCMUTUA Name: Tony McMutuary E-Mail: tmcmutuary@tva.gov Date/Time: 2023-11-13 15:30 (Time Zone: -06:00)

DMR Copy of Record Permit Permit #: TN0026450 Permittee: Tennessee Valley Authority (TVA) Facility: TVA SEQUOYAH NUCLEAR PLANT (SQN)

Major: Yes Permittee Address: 1101 Market Street, BR 2C Facility Location: SEQUOYAH ACCESS ROAD Chattanoga, TN 37402 SODDY DAISY SODDY DAISY, TN 37379 Permitted Feature: 118 Discharge: 118-G External Outfall Monthly Reporting for Internal Outfall 118 Report Dates & Status Monitoring Period: From 10/01/23 to 10/31/23 DMR Due Date: 11/15/23 Status: NetDMR Validated Considerations for Form Completion All parameters require data entry. If pond is not in service, report NODI 9. If a limit violation or NODI code is reported, explain in comments. If value is below detection limit, report NODI B and include detection limit in comments.

Principal Executive Officer First Name: Thomas

Title:

Vice President Telephone: 423-843-7001 Last Name: Marshall No Data Indicator (NODI)

Form NODI: --

Parameter Monitoring Location Season # Param. NODI Quantity or Loading Quality or Concentration # of Ex. Frequency of Analysis Sample Type Code Name Qualifier 1 Value 1 Qualifier 2 Value 2 Units Qualifier 1 Value 1 Qualifier 2 Value 2 Qualifier 3 Value 3 Units Sample Permit Req. >= 2.0 MINIMUM 19 - mg/L 02/07 - Twice Every Week GR - GRAB 00300 Oxygen, dissolved [DO] 1 - Effluent Gross 0 --

Value NODI C - No Discharge Sample Permit Req. <= 100.0 DAILY MX 19 - mg/L 02/07 - Twice Every Week GR - GRAB 00530 Solids, total suspended 1 - Effluent Gross 0 --

Value NODI C - No Discharge Sample Permit Req. <= 1.0 DAILY MX 25 - mL/L 01/30 - Monthly GR - GRAB 00545 Solids, settleable 1 - Effluent Gross 0 --

Value NODI C - No Discharge Sample Permit Req. Req Mon MO AVG Req Mon DAILY MX 03 - MGD 01/BA - Once Per Batch ES - ESTIMA 50050 Flow, in conduit or thru treatment plant 1 - Effluent Gross 0 --

Value NODI C - No Discharge C - No Discharge Submission Note If a parameter row does not contain any values for the Sample nor Effluent Trading, then none of the following fields will be submitted for that row: Units, Number of Excursions, Frequency of Analysis, and Sample Type.

Edit Check Errors No errors.

Comments Attachments No attachments.

Report Last Saved By Tennessee Valley Authority (TVA)

User: TRMARKUM Name: Travis Markum E-Mail: trmarkum@tva.gov Date/Time: 2023-11-13 14:08 (Time Zone: -06:00)

Report Last Signed By User: TMCMUTUA Name: Tony McMutuary E-Mail: tmcmutuary@tva.gov Date/Time: 2023-11-13 15:30 (Time Zone: -06:00)

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