Text

2024 Annual Radioactive Effluent Release Report - Report 48
	ML25118A102
Person / Time
Site:	Wolf Creek, Peach Bottom
Issue date:	04/28/2025
From:	Joseph Turner; Wolf Creek
To:	; Office of Nuclear Material Safety and Safeguards, Office of Nuclear Reactor Regulation, Document Control Desk
References
	000924
	Download: ML25118A102 (1)
	v • d • e

P.O. Box 411 l Burlington, KS 66839 l 620-364-8831 Joshua K. Turner Acting Director Regulatory Affairs April 28, 2025 000924 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001

Subject:

Docket Numbers 50-482 and 72-79: Wolf Creek Generating Station 2024 Annual Radioactive Effluent Release Report - Report 48 Commissioners and Staff:

The purpose of this letter is to transmit the enclosed Wolf Creek Generating Station (WCGS)

Annual Radioactive Effluent Release Report. The report covers the period from January 1, 2024, through December 31, 2024. It is being submitted pursuant to Section 5.6.3 of the WCGS Technical Specifications.

In accordance with Section 5.5.1 of the WCGS Technical Specifications, a review was made of the following Wolf Creek Nuclear Operating Corporation (WCNOC) procedures AP 07B-003, Offsite Dose Calculation Manual, Revision 10; AP 07B-004, Offsite Dose Calculation Manual (Radiological Environmental Monitoring Program), Revision 23; and AP 31A-100, Solid Radwaste Process Control Program, Revision 9. Since no changes were made to these procedures during the last reporting period, the three procedures are not included with this submittal.

This letter contains no commitments. If you have any questions concerning this matter, please contact me at (620) 364-8831 x8261, or Dustin Hamman at (620) 364-4204.

Sincerely, Joshua K. Turner

Enclosure:

Wolf Creek Generating Station 2024 Annual Radioactive Effluent Release Report - Report 48 cc:

A. N. Agrawal, w/e S. S. Lee (NRC), w/e J. D. Monninger (NRC), w/e Senior Resident Inspector (NRC), w/e WC Licensing Correspondence, w/e - RA 25-000924

Enclosure to 000924 Wolf Creek Generating Station 2024 Annual Radioactive Effluent Release Report - Report 48 (77 pages)

Docket Numbers 50-482 and 72-79 Renewed Facility Operating License NPF-42 Report Number 48 WOLF CREEK NUCLEAR OPERATING CORPORATION 2024 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT Wolf Creek Generating Station

2024 Annual Radioactive Effluent Release Report 1

WOLF CREEK NUCLEAR OPERATING CORPORATION 2024 ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT Introduction This Annual Radioactive Effluent Release Report (ARERR) covers the operation of Wolf Creek Generating Station (WCGS) from January 1, 2024, through December 31, 2024. The ARERR includes a summary of the quantities of radioactive liquid and gaseous effluents and solid waste released from the unit in accordance with Technical Specification 5.6.3.

The content of this ARERR is presented in the general format of Revision 1 of Regulatory Guide 1.21.

2024 Annual Radioactive Effluent Release Report 2

I.

SUPPLEMENTAL INFORMATION A.

Regulatory Limits The Offsite Dose Calculation Manual (ODCM) describes the methodology and parameters used in the calculation of offsite doses due to radioactive liquid and gaseous effluents.

The following are limits required by the ODCM:

1.

GASEOUS EFFLUENTS The dose rate due to radioactive materials released in gaseous effluents from the site to areas at and beyond the site boundary shall be limited to the following:

For noble gases: a dose rate less than or equal to 500 mrem/yr to the whole body and a dose rate less than or equal to 3000 mrem/yr to the skin, and For Iodine-131, Iodine-133, tritium and all radionuclides in particulate form with half-lives greater than 8 days: Less than or equal to 1500 mrem/yr to any organ.

The air dose due to noble gases released in gaseous effluents to areas at and beyond the site boundary shall be limited to the following:

During any calendar quarter: Less than or equal to 5 mrads for gamma radiation and less than or equal to 10 mrads for beta radiation, and During any calendar year: Less than or equal to 10 mrads for gamma radiation and less than or equal to 20 mrads for beta radiation.

The dose to a member of the public from Iodine-131, Iodine-133, tritium and all radionuclides in particulate form with half-lives greater than 8 days in gaseous effluents released to areas at and beyond the site boundary shall be limited to the following:

During any calendar quarter: Less than or equal to 7.5 mrems to any organ, and During any calendar year: Less than or equal to 15 mrems to any organ.

2.

LIQUID EFFLUENTS The concentration of radioactive material released in liquid effluents to unrestricted areas shall be limited to 10 times the limit specified in 10 CFR 20, Appendix B, Table 2, Column 2, for radionuclides other than dissolved or entrained noble gases. For dissolved or entrained noble gases, the concentration shall be limited to 2.00E-04 µCi/ml total activity.

2024 Annual Radioactive Effluent Release Report 3

The dose or dose commitment to a member of the public from radioactive materials in liquid effluents released to unrestricted areas shall be limited:

During any calendar quarter to less than or equal to 1.5 mrems to the whole body and to less than or equal to 5 mrems to any organ, and During any calendar year to less than or equal to 3 mrems to the whole body and to less than or equal to 10 mrems to any organ.

B.

Effluent Concentration Limit (ECL)

The concentration of radioactive material released in liquid effluents to unrestricted areas shall be limited to 10 times the limit specified in 10 CFR 20, Appendix B, Table 2, Column 2, for radionuclides other than dissolved or entrained noble gases. For dissolved or entrained noble gases, the concentration shall be limited to 2.00E-04 µCi/ml total activity.

The percent of ECL values are found in Appendix A, Table 4A.

C.

Average Energy Average energy of fission and activation gaseous effluents is not applicable. See ODCM section 3.1 for the methodology used in determining the release rate limits from noble gas releases.

D.

Measurements and Approximations of Total Radioactivity Measurements of total radioactivity were performed in accordance with the sampling and analysis requirements of Tables 2-1 and 3-1 of the ODCM (Enclosure I).

Gamma spectroscopy is used as the primary method in determining radionuclide composition and concentration of liquid and gaseous effluents. Liquid composites are sent off site for analysis of Sr-89, Sr-90, Fe-55, and Ni-63. Gaseous composites are also sent off site for Sr-89 and Sr-90 analysis. Liquid scintillation and scintillation alpha counters are used to measure tritium and gross alpha.

E.

Batch Releases

1.

LIQUID Number of batch releases - 52 Total time period for batch release - 9,482 minutes Maximum time period for a batch release - 1,012 minutes Average time period for batch releases - 182.3 minutes Minimum time period for a batch release - 55 minutes Average stream flow during periods of release of effluent into a flowing stream-Not applicable

2024 Annual Radioactive Effluent Release Report 4

2.

GASEOUS Number of batch releases - 83 Total time period for batch release - 101,039 minutes Maximum time period for a batch release - 31,199 minutes Average time period for batch releases - 1217.3 minutes Minimum time period for a batch release - 16 minutes F.

Continuous Releases

1.

GASES Continuous gaseous release pathways include the Unit Vent and Radwaste Vent.

2.

LIQUID Continuous liquid release pathways include Steam Generator Blowdown, Lime Sludge Pond, Turbine Building Sump and Waste Water Treatment.

G.

Abnormal Releases There were no abnormal releases in 2024.

II.

GASEOUS EFFLUENTS An elevated release pathway does not exist at WCGS. All airborne releases are considered to be ground level releases. Appendix A, Table 1A contains the summation of all gaseous effluent discharges, while Table 1B shows the quarterly sums of curies discharged and is divided according to batch or continuous mode.

III.

LIQUID EFFLUENTS Summary information can be found in Appendix A, Tables 2A and 2B. Table 2A contains the summation of all liquid effluent discharges, while Table 2B reports the quarterly sums of total curies released and is divided according to batch or continuous mode.

IV.

SOLID WASTE Appendix A, Table 3 contains information on shipments of solid waste and irradiated fuel transported from the site during the period.

2024 Annual Radioactive Effluent Release Report 5

V.

INDEPENDENT SPENT FUEL STORAGE INSTALLATION (ISFSI)

There are no radiological effluents released from the Matrix Horizontal Storage Module (HSM-MX). Direct dose from this installation is reported in the Annual Radiological Environmental Operating Report (AREOR).

The on-site dry cask ISFSI pad was considered within the site boundary until November 4, 2024, when it became part of the Protected Area Boundary (PAB).

Wolf Creek loaded its first ISFSI dry cask on the pad in January of 2022. Wolf Creek did not load any additional canisters in 2024. There are a total of eight canisters on the ISFSI Pad.

VI.

RADIOLOGICAL IMPACT ON MAN No ODCM dose limits were exceeded in 2024.

Dose calculations are performed for the limiting age group i.e., adult age group for the liquid pathway and the child age group for gaseous effluent organ doses. All calculations were performed in accordance with the methodology and parameters in the ODCM. A conservative error of thirty percent has been estimated in the effluent data for liquid and gaseous dose.

A.

Dose Due to Liquid Effluents The dose due to liquid effluents was calculated in accordance with the methodology and parameters in the ODCM and can be found in Appendix A, Tables 4B and 4C. Table 4C is included to show the correlation between curies released and the associated calculated maximum organ dose.

Wolf Creek ODCM methodology is used to calculate the maximum organ dose which assumes that an individual drinks the water and eats the fish from the discharge point.

ODCM section 2.2 organ dose limits are used.

B.

Dose Due to Gaseous Effluents The dose due to gaseous effluents can be found in Appendix A, Tables 4D and 4E and is calculated in accordance with the methodology and parameters in the ODCM. Table 4E is included to show the correlation between curies released and the associated calculated maximum organ dose. The gaseous pathway dose determination is met by the ODCM methodology of assigning all gaseous pathways to a hypothetical individual residing at the highest annual X/Q and D/Q location, which assumes that an individual resides at the site boundary. This results in a conservative estimate of dose to a member of the public, rather than determining each pathway dose for each release condition. ODCM section 3.2.2 organ dose limits are used.

2024 Annual Radioactive Effluent Release Report 6

C.

Dose to a Member of the Public from Activities Inside the Site Boundary Total Dose Personnel making deliveries to the plant 2.91E-01 mrem Public use of the cooling lake during times when fishing was allowed 3.71E-02 mrem Workers at the William Allen White Building located outside the protected area boundary 6.27E-03 mrem Pipe Fab Shop (nearest occupied building)

1.00E+01 mrem Dry Cask Storage Fence East

2.19E+01 mrem PA ISFSI South Fence*

2.31E+01 mrem The plant delivery calculations were based on deliveries being made 3 hours3.472222e-5 days 8.333333e-4 hours 4.960317e-6 weeks 1.1415e-6 months per week for 50 weeks per year. The dose to anglers on the lake was based upon 2,796 hours0.00921 days 0.221 hours 0.00132 weeks 3.02878e-4 months (12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months a day for 233 days, based on the number of days that the lake was open to anglers).

The William Allen White Building occupancy was based on normal working hours of 2,000 per year. The Submersion, Inhalation and Ground Plane pathway doses were added to derive the total dose. All calculations were performed in accordance with the methodology and parameters in the ODCM.

The Radiation Protection (RP) department monitors various locations and buildings in the vicinity of the ISFSI area to verify exposure is within regulatory limits in addition to the monitoring done by REMP. The calculated doses here are based on a conservative 2,000 working hours per year and do not subtract off background readings.

VII.

METEOROLOGICAL DATA Appendix B documents WCGS meteorological data for wind speed, wind direction and atmospheric stability.

2024 Annual Radioactive Effluent Release Report 7

VIII. ADDITIONAL INFORMATION A.

Unplanned Releases CONDITION REPORTS (CR) 10036897, 10037910 AND 10039211 UNPLANNED RELEASE OF GAS DECAY TANK #8 On 9/26/2024 at 0800, the tank pressure for Gas Decay Tank (GDT) #8 was recorded by Chemistry as 24.5 psig. On 9/27/2024 at 0800, the reading was 21.5 psig. There were no other increases/decreases noted in the other GDTs, so the drop in pressure was considered an unplanned release. The trend for GHRE23, Waste Gas Ventilation Exhaust monitor, did not indicate any abnormalities. This indicated that the release of GDT #8 did not escape into the room but was released out the Radwaste Vent Exhaust, including the Radwaste Vent noble gas monitor, GHRE10B. No radiation monitor alarms were received and particulate and iodine counts the following week showed zero activity. A sample of GDT #8 had been taken 9/7/2024 for curie content due to leakby into the tank. This activity was used to generate a permit to account for the release. All results verified that the dose and total curies released did not exceed any Offsite Dose Calculation Manual (ODCM) limits. These values were included in the monthly, quarterly and yearly totals for gas releases.

Since 9/27/2024, GDT #8 experienced a slow decrease in tank pressure (down to 12.6 psig) over the next four months. These drops in pressure were also treated as unplanned releases and permits were generated to account for dose and curies released. Again, no ODCM limits were exceeded, and these values were included in the monthly, quarterly and yearly totals for gas releases.

A degraded rupture disk on the B Recombiner was the cause of the system leak. There was a delay in work to make the necessary repairs due to GDT #8 inadvertently receiving an addition on more than one occasion in the fall of 2024. USAR Chapter 11.3 requires a 90-day holdup period after an addition to a GDT prior to releasing it. AP 07B-001, Radioactive Releases, was revised in 2025 to allow sampling and release of gas under 90 days. A USAR change was submitted based on the procedure change (see CR 10037118). GDT #8 was sampled for a planned release 3/10/2025 to make required repairs.

CR 10033342 BMRE52 RELEASE PERMIT NOT COMPLETED PRIOR TO RELEASE While taking Radwaste Tank Level Logs on May 6, 2024, at 1315, the Chemistry technician found the Totalizer reading to be 883 gallons. Steam Generator blowdown was secured at the time, so a value of zero was expected. After doing some trending on NPIS, BMF0054 (SGBD DISCH TO LIQUID RADWST) was showing flow of approximately 135 KLBH on 5/5/2024 from 2105 to 2107. BMD0056 (SG B/D DISCH TO LIQ RW) showed to be in the open position from 2104 to 2107.

The required verifications and approvals were not obtained on release permit U1LC2024-032 (Steam Generator Blowdown to the Lake) prior to initiating the release. The

2024 Annual Radioactive Effluent Release Report 8

verifications include entering the setpoints, verifying the setpoints and authorization of the release by the Shift Manager. The permit also directs Operations to contact Chemistry at the initiation of a release to pull the required Offsite Dose Calculation Manual (ODCM) grab sample.

Chemistry later pulled a sample from the surge tank to use as a composite since the required ODCM composite at initiation was not pulled. This was a representative sample as the volume released was so small and came from the same tank. A trend shows BMD0016A (SG B/D DISCH TO B/D TK) to be closed during this timeframe. The sample was counted and found to not have any gamma activity.

The Rad Monitor, BMN0526 (STM GEN BLOWDOWN EFFLUENT), was functional during the release with setpoints entered from a previous permit. The current setpoints were entered and verified after the release. The setpoints were confirmed to be the same (they hadnt changed since the last release on a different permit). Trends showed no elevated readings.

B.

ODCM The ODCM is in the form of two separate procedures. They are AP 07B-003 (Offsite Dose Calculation Manual) and AP 07B-004 (Offsite Dose Calculation Manual - Radiological Environmental Monitoring Program). Both procedures are attached as enclosures.

C.

Radwaste Treatment System Changes There were no major changes made to the Liquid, Solid or Gaseous Radwaste Systems in 2024 that alter the capacity or handling of radioactive wastes or differ in the methods of treatment.

D.

Annual Land Use Census Changes Per the Annual Land Use Census, no changes were identified for the nearest occupied residence in each sector. Six changes were noted for the nearest garden producing broadleaf vegetation. There was one change regarding milk sample locations. One location was identified that milked animals for human consumption.

E.

Liquid Holdup or Gas Storage Tanks No limits were exceeded in 2024 for Technical Requirement 3.10.1 (Liquid Holdup Tanks) or Technical Surveillance Requirement 3.10.3.1 (Gas Storage Tanks).

F.

Functionality of Effluent Monitoring Instrumentation Effluent monitoring instrumentation returned to functional status within specified time.

G.

Missed Samples There were no missed samples in 2024.

H.

NEI Groundwater Protection Industry Initiative See Appendix C

2024 Annual Radioactive Effluent Release Report 9

I.

Other CR 00036059 CARBON-14 Regulation 10CFR50.36a requires nuclear power plants to report quantities of principal radionuclides in the annual radioactive effluent release report. In the early 1980s, the NRC decided that C-14 radionuclide would not be required to be reported because it would not make a significant contribution to dose. Since this time, technology has advanced both for effluent isotopic reduction and isotope detection and estimation. It is more likely the C-14 meets the definition of a principal radionuclide in accordance with the newly published Regulatory Guide 1.21 Revision 2 (June 2009).

The NRC allows the reporting of this isotope based on estimation methods. EPRI TR 1021106 developed an estimation method based on peer-reviewed research that incorporates parameters of Wolf Creeks reactor design to estimate the gross amount of C-14 produced annually. This value is fed into additional calculations, based on Regulatory Guide 1.109, Calculation of Annual Doses to Man From Routine Releases of Reactor Effluents For the Purpose of Evaluating Compliance with 10 CFR Part 50, Appendix I, to provide an estimation of annual dose. Based on the 2010 theoretical calculations and assuming the maximum percentage of inorganic C-14 compounds (30%),

Wolf Creek has estimated the annual release of C-14 to be 10.7 curies. This will give maximum dose values of 4.60 mrem/yr child bone dose and 0.921 mrem/yr child total body dose. This is well below the 10CFR50, Appendix I, ALARA design objective of 15 mrem/yr. Additionally, this value is on par with the dose expected from naturally occurring radiocarbon.

CR 10032735 CONTAINMENT PURGE PERMIT REVIEW It is the established practice for Containment purges released in a series to have the Authorization Section filled out for each permit when in series. The issue was discussed with CRS and Shift Manager. This CR was written to capture the departure from the normal practice. During the final review of permit U1GB2024-047, Containment Mini Purge, the Authorization Section of the permit was found to be incomplete. The purge was started on 3/27/24 using permit U1GB2024-046. STN SP-001 Process Radiation Monitoring System Source Check was completed SAT prior to this release in addition to Setpoint verifications and Shift Manager approval. The purge was needed beyond its expiration of 3/28/24 at 1428 so Containment was resampled, and a new permit was generated (U1GB2024-047).

Permit U1GB2024-047 was a continuation of permit U1GB2024-046. The purge never stopped between permits and the 3/27/24 start dates and times were transferred from permit U1GB2024-046 to permit U1GB2024-047. No check sources were missed and the correct setpoints were entered. All Offsite Dose Calculation Manual (ODCM) requirements were met.

CR 10029788 LATE APPROVAL OF UNIT VENT RELEASE PERMIT Unit Vent release permit U1GC2024-012 was issued for continuing the normal release and flow rate data recorded without the authorization section completed. The new permit

2024 Annual Radioactive Effluent Release Report 10 was placed in the release book before it was authorized. It is a continuous release and there were no changes made to the setpoints from the old permit to the new one. Gas, particulate and iodine counts used to generate the permit showed no activity. Technicians were coached to hand new permits directly to a Reactor Operator or the Control Room Supervisor.

CR 10034977 CONTAINMENT MINI PURGE NOT SECURED PRIOR TO PERMIT EXPIRATION On 7/12/2024, Containment Mini Purge was operated after the purge permit had expired.

The permit expired on 7/12/2024 at 13:00 and the purge was secured on 7/12/2024 at 13:16. The Containment Purge Exhaust Gas and Containment Atmosphere Gas channels were reviewed for the time that the purge was performed. These trends showed that the activity level remained well below the low setpoints of the permit. Additionally, the Shift Chemist was directed to sample containment gas. The sample pulled for preparation of the permit was 7.84E-07 uCi/cc. The sample pulled after the permit expired was 6.22E-07 uCi/cc. All time was accounted for and the post release calculations verified that the dose and total curies released did not exceed any Offsite Dose Calculation Manual (ODCM) limits.

2024 Annual Radioactive Effluent Release Report 11 Appendix A (Effluent Tables)

2024 Annual Radioactive Effluent Release Report 12 TABLE 1A:

GASEOUS EFFLUENTS-SUMMATION OF ALL RELEASES (1)

Unit Quarter 1 Quarter 2 Quarter 3 Quarter 4 Est. Total Error, %

Fission & Activation Gases Total Release Ci 1.94E-01 3.99E-02 5.57E-02 6.91E-02 3.00E+01 Average Release Rate for period

µCi/sec 2.47E-02 5.07E-03 7.01E-03 8.70E-03 Percent of ODCM limit 2.38E-03 5.17E-04 6.83E-04 8.07E-04 Iodines Total Iodine-131 Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 3.00E+01 Average Release Rate for period

µCi/sec 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Percent of ODCM limit 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Particulates Particulates with half-lives >8 days Ci 0.00E+00 5.94E-07 0.00E+00 0.00E+00 3.00E+01 Average Release Rate for period

µCi/sec 0.00E+00 7.55E-08 0.00E+00 0.00E+00 Percent of ODCM limit 0.00E+00 4.22E-06 0.00E+00 0.00E+00 Gross alpha radioactivity Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 3.00E+01 Tritium Total release Ci 3.61E+00 1.99E+01 1.10E+01 3.69E+00 3.00E+01 Average Release Rate for period

µCi/sec 4.60E-01 2.54E+00 1.39E+00 4.64E-01 Percent of ODCM limit 3.41E-02 1.88E-01 1.04E-01 3.48E-02

2024 Annual Radioactive Effluent Release Report 13 TABLE 1B:

GASEOUS EFFLUENTS-GROUND LEVEL RELEASES-BATCH MODE Nuclides Released Unit Quarter 1 Quarter 2 Quarter 3 Quarter 4 Fission gases AR-41 Ci 1.84E-01 3.99E-02 5.25E-02 6.20E-02 KR-85 Ci 1.01E-02 0.00E+00 1.57E-03 3.80E-03 KR-87 Ci

<3.25E-02

<4.06E-01

<2.06E-03

<2.09E-03 KR-88 Ci

<3.78E-02

<4.72E-01

<2.39E-03

<2.43E-03 XE-133 Ci 3.27E-04

<3.40E-01 1.45E-03 3.04E-03 XE-133m Ci

<6.87E-02

<8.58E-01 3.45E-05 7.79E-05 XE-135 Ci

<8.16E-03

<1.02E-01 8.84E-05 1.84E-04 XE-138 Ci

<8.41E-01

<1.05E+01

<5.32E-02

<5.40E-02 Total for period*

Ci 1.94E-01 3.99E-02 5.57E-02 6.91E-02 Iodines I-131 Ci

<1.23E-06

<1.54E-05

<7.81E-08

<7.92E-08 I-133 Ci

<1.23E-04

<1.54E-03

<7.81E-06

<7.92E-06 Total for period*

Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Particulates CE-141 Ci

<1.23E-05

<1.54E-04

<7.81E-07

<7.92E-07 CE-144 Ci

<1.23E-05

<1.54E-04

<7.81E-07

<7.92E-07 CS-134 Ci

<1.23E-05

<1.54E-04

<7.81E-07

<7.92E-07 CS-137 Ci

<1.23E-05

<1.54E-04

<7.81E-07

<7.92E-07 CO-58 Ci

<1.23E-05

<1.54E-04

<7.81E-07

<7.92E-07 CO-60 Ci

<1.23E-05

<1.54E-04

<7.81E-07

<7.92E-07 FE-59 Ci

<1.23E-05

<1.54E-04

<7.81E-07

<7.92E-07 MN-54 Ci

<1.23E-05

<1.54E-04

<7.81E-07

<7.92E-07 MO-99 Ci

<1.23E-05

<1.54E-04

<7.81E-07

<7.92E-07 SR-89 Ci

<1.23E-05

<1.54E-04

<7.81E-07

<7.92E-07 SR-90 Ci

<1.23E-05

<1.54E-04

<7.81E-07

<7.92E-07 ZN-65 Ci

<1.23E-05

<1.54E-04

<7.81E-07

<7.92E-07 Total for period*

Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Tritium Ci 1.24E-01 2.17E+00 1.22E-01 6.82E-02 Gross Alpha Ci

<1.23E-05

<1.54E-04

<7.81E-07

<7.92E-07

Less than values are not included in the summation for the total release values.

2024 Annual Radioactive Effluent Release Report 14 TABLE 1B:

GASEOUS EFFLUENTS-GROUND LEVEL RELEASES -CONTINUOUS MODE Nuclides Released Unit Quarter 1 Quarter 2 Quarter 3 Quarter 4 Fission gases KR-87 Ci

<6.72E+00

<7.03E+00

<6.78E+00

<6.74E+00 KR-88 Ci

<7.82E+00

<8.18E+00

<7.90E+00

<7.84E+00 XE-133 Ci

<5.62E+00

<5.89E+00

<5.68E+00

<5.64E+00 XE-133m Ci

<1.42E+01

<1.49E+01

<1.43E+01

<1.43E+01 XE-135 Ci

<1.69E+00

<1.77E+00

<1.70E+00

<1.69E+00 XE-138 Ci

<1.74E+02

<1.82E+02

<1.75E+02

<1.74E+02 Total for period Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Iodines I-131 Ci

<2.55E-04

<2.67E-04

<2.58E-04

<2.56E-04 I-133 Ci

<2.55E-02

<2.67E-02

<2.58E-02

<2.56E-02 Total for period Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Particulates CE-141 Ci

<2.55E-03

<2.67E-03

<2.58E-03

<2.56E-03 CE-144 Ci

<2.55E-03

<2.67E-03

<2.58E-03

<2.56E-03 CS-134 Ci

<2.55E-03

<2.67E-03

<2.58E-03

<2.56E-03 CS-137 Ci

<2.55E-03

<2.67E-03

<2.58E-03

<2.56E-03 CO-58 Ci

<2.55E-03 5.94E-07

<2.58E-03

<2.56E-03 CO-60 Ci

<2.55E-03

<2.67E-03

<2.58E-03

<2.56E-03 FE-59 Ci

<2.55E-03

<2.67E-03

<2.58E-03

<2.56E-03 MN-54 Ci

<2.55E-03

<2.67E-03

<2.58E-03

<2.56E-03 MO-99 Ci

<2.55E-03

<2.67E-03

<2.58E-03

<2.56E-03 SR-89 Ci

<2.55E-03

<2.67E-03

<2.58E-03

<2.56E-03 SR-90 Ci

<2.55E-03

<2.67E-03

<2.58E-03

<2.56E-03 ZN-65 Ci

<2.55E-03

<2.67E-03

<2.58E-03

<2.56E-03 Total for period Ci 0.00E+00 5.94E-07 0.00E+00 0.00E+00 Tritium Ci 3.49E+00 1.78E+01 1.09E+01 3.62E+00 Gross Alpha Ci

<2.55E-03

<2.67E-03

<2.58E-03

<2.56E-03

Less than values are not included in the summation for the total release values.

2024 Annual Radioactive Effluent Release Report 15 TABLE 2A:

LIQUID EFFLUENTS - SUMMATION OF ALL RELEASES Unit Quarter 1 Quarter 2 Quarter 3 Quarter 4 Est. Total Error, %

FISSION AND ACTIVATION PRODUCTS Total Release (not including tritium, gases, alpha)

Ci 5.22E-03 1.34E-02 3.88E-04 1.23E-03 3.00E+01 Average Diluted Concentration during period

µCi/

ml 2.30E-11 8.06E-11 1.39E-12 4.52E-12 Percent of Applicable Limit 1.04E-01 2.68E-01 7.75E-03 2.47E-02 TRITIUM Total Release Ci 4.21E+02 9.15E+01 1.91E+02 1.11E+02 3.00E+01 Average Diluted Concentration during period

µCi/

ml 1.86E-06 5.49E-07 6.83E-07 4.07E-07 Percent of Applicable Limit 1.86E-01 5.49E-02 6.83E-02 4.07E-02 DISSOLVED AND ENTRAINED GASES Total Release Ci 5.51E-03 6.44E-04 1.13E-03 1.92E-05 3.00E+01 Average Diluted Concentration during period

µCi/

ml 2.43E-11 3.86E-12 4.06E-12 7.02E-14 Percent of Applicable Limit 1.22E-05 1.93E-06 2.03E-06 3.51E-08 GROSS ALPHA RADIOACTIVITY Total Release Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 3.00E+01 Volume of waste released (prior to dilution)

L 1.04E+08 7.56E+07 9.97E+07 7.95E+07 3.00E+01 Volume of dilution water used during period L

2.26E+11 1.67E+11 2.80E+11 2.73E+11 3.00E+01

2024 Annual Radioactive Effluent Release Report 16 TABLE 2B: LIQUID EFFLUENTS - BATCH MODE Nuclides Released Unit Quarter 1 Quarter 2 Quarter 3 Quarter 4 Fission & Activation Products AG-110M Ci 3.19E-06 1.58E-06 0.00E+00 0.00E+00 CE-141 Ci

<4.66E-04 <4.39E-04 <2.39E-04

<1.19E-04 CE-144 Ci

<4.66E-04 <4.39E-04 <2.39E-04

<1.19E-04 CO-57 Ci 6.76E-06 2.79E-05 0.00E+00 7.33E-06 CO-58 Ci 1.09E-03 7.86E-03 2.89E-04 5.97E-04 CO-60 Ci 1.81E-04 2.89E-04 9.90E-05 5.16E-05 CR-51 Ci 0.00E+00 4.25E-04 0.00E+00 0.00E+00 CS-134 Ci

<4.66E-04 2.87E-06

<2.39E-04

<1.19E-04 CS-137 Ci

<4.66E-04 9.28E-05

<2.39E-04

<1.19E-04 FE-55 Ci 5.59E-04 5.17E-04

<4.77E-04

<2.37E-04 FE-59 Ci

<4.66E-04 3.95E-05

<2.39E-04

<1.19E-04 I-131 Ci

<9.32E-04 <8.77E-04 <4.77E-04

<2.37E-04 I-134 Ci 7.84E-06 0.00E+00 0.00E+00 0.00E+00 MN-54 Ci 6.87E-06 2.73E-06

<2.39E-04

<1.19E-04 MO-99 Ci

<4.66E-04 <4.39E-04 <2.39E-04

<1.19E-04 NB-95 Ci 0.00E+00 2.15E-05 0.00E+00 0.00E+00 NI-63 Ci 3.26E-03 4.03E-03

<4.77E-04 5.68E-04 SB-125 Ci 1.05E-04 1.05E-04 0.00E+00 9.78E-06 SR-89 Ci

<4.66E-05 <4.39E-05 <2.39E-05

<1.19E-05 SR-90 Ci

<4.66E-05 <4.39E-05 <2.39E-05

<1.19E-05 ZN-65 Ci

<4.66E-04 <4.39E-04 <2.39E-04

<1.19E-04 ZR-95 Ci 0.00E+00 3.86E-06 0.00E+00 0.00E+00 Total for period*

Ci 5.22E-03 1.34E-02 3.88E-04 1.23E-03 Dissolved & Entrained Gases AR-41 Ci

<9.32E-03 4.61E-05

<4.77E-03

<2.37E-03 KR-85M Ci 3.82E-06 4.04E-06

<4.77E-03

<2.37E-03 XE-133 Ci 4.79E-03 5.63E-04 1.03E-03 1.92E-05 XE-133M Ci 2.89E-05

<8.77E-03 <4.77E-03

<2.37E-03 XE-135 Ci 6.83E-04 3.04E-05 9.99E-05

<2.37E-03 Total for period*

Ci 5.51E-03 6.44E-04 1.13E-03 1.92E-05

2024 Annual Radioactive Effluent Release Report 17 Tritium Ci 4.19E+02 9.04E+01 1.89E+02 1.10E+02 Gross Alpha Ci

<9.32E-05 <8.77E-05 <4.77E-05

<2.37E-05

Less than values are not included in the summation for the total release values.

TABLE 2B: LIQUID EFFLUENTS - CONTINUOUS MODE Nuclides Released Unit Quarter 1 Quarter 2 Quarter 3 Quarter 4 Fission & Activation Products CE-141 Ci

<5.15E-02

<3.74E-02

<4.97E-02

<3.97E-02 CE-144 Ci

<5.15E-02

<3.74E-02

<4.97E-02

<3.97E-02 CS-134 Ci

<5.15E-02

<3.74E-02

<4.97E-02

<3.97E-02 CS-137 Ci

<5.15E-02

<3.74E-02

<4.97E-02

<3.97E-02 CO-58 Ci

<5.15E-02

<3.74E-02

<4.97E-02

<3.97E-02 CO-60 Ci

<5.15E-02

<3.74E-02

<4.97E-02

<3.97E-02 FE-55 Ci

<1.03E-01

<7.47E-02

<9.93E-02

<7.93E-02 FE-59 Ci

<5.15E-02

<3.74E-02

<4.97E-02

<3.97E-02 I-131 Ci

<1.03E-01

<7.47E-02

<9.93E-02

<7.93E-02 MN-54 Ci

<5.15E-02

<3.74E-02

<4.97E-02

<3.97E-02 MO-99 Ci

<5.15E-02

<3.74E-02

<4.97E-02

<3.97E-02 NI-63 Ci

<1.03E-01

<7.47E-02

<9.93E-02

<7.93E-02 SR-89 Ci

<5.15E-03

<3.74E-03

<4.97E-03

<3.97E-03 SR-90 Ci

<5.15E-03

<3.74E-03

<4.97E-03

<3.97E-03 ZN-65 Ci

<5.15E-02

<3.74E-02

<4.97E-02

<3.97E-02 Total for period*

Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Dissolved & Entrained Gases Total for period*

Ci 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Tritium Ci 1.86E+00 1.11E+00 1.68E+00 1.47E+00 Gross Alpha Ci

<1.03E-02

<7.47E-03

<9.93E-03

<7.93E-03

Less than values are not included in the summation for the total release values.

2024 Annual Radioactive Effluent Release Report 18 TABLE 3:

SOLID WASTE AND IRRADIATED FUEL SHIPMENTS A. SOLID WASTE SHIPPED OFFSITE FOR BURIAL OR DISPOSAL (NOT IRRADIATED FUEL)

1. Type of Waste Units 1-Year Period Est. Total Error (%)

a. Spent resins, filter sludges, evaporator bottoms, etc.

m3*

Ci 7.65E+00 1.05E-02 2.50E+01

b. Dry compressible waste, contaminated equip., etc.

m3*

Ci 3.16E+02 1.13E+00 2.50E+01

c. Irradiated components, control rods, etc.

m3*

Ci 0.00E+00 0.00E+00 2.50E+01

d. Other m3*

Ci 1.70E-02 7.30E-07 2.50E+01

This is the volume sent offsite for volume reduction prior to disposal (waste volume).

2. Estimate of Major Nuclide Composition (by Type of Waste)

[Nuclides listed with % abundance greater than 10%]

a. Spent resin, filter sludges, evaporator bottoms, etc.

Nuclide

% Abundance Curies Ni-63 10.46 1.09E-03 Fe-55 59.58 6.23E-03 Co-60 24.62 2.57E-03

b. Dry active waste, contaminated equipment, etc.

Nuclide

% Abundance Curies Co-60 24.96 2.83E-01 Fe-55 59.71 6.77E-01 Ni-63 10.72 1.22E-01

c. Irradiated components, control rods, etc. - None

d. Other Nuclide

% Abundance Curies Fe-55 49.06 3.58E-07 Ni-63 33.85 2.47E-07

2024 Annual Radioactive Effluent Release Report 19

3. Solid Waste Disposition Number of Shipments Mode of Transportation Destination 2

Truck, Hittman Transport Energy Solutions-Oak Ridge, TN 5

Truck, Specialty Transport Waste Control Specialists-Andrews, TX

4. Class of Solid Waste

a. Class A - Corresponding to Waste Type 1.a, 1.b and 1.d

b. Class B -Corresponding to Waste Type 1.a

c. Class C -Corresponding to Waste Type 1.a

5. Type of Container

a. (General Design), Type A - corresponding to 1.a, 1.b and 1.d

b. (General Design) - corresponding to 1.b and 1.d

6. Solidification Agent

a. Not applicable B. IRRADIATED FUEL SHIPMENTS (DISPOSITION)

No irradiated fuel shipments occurred during the 2024 period.

2024 Annual Radioactive Effluent Release Report 20 TABLE 4A: 2024 EFFLUENT CONCENTRATION LIMITS Nuclides Curies Average Diluted Concentration

(µCi/ml) 10 CFR 20 ECL

(µCi/ml)

% ECL Tritium 8.15E+02 8.62E-07 1.00E-03 8.62E-02 Argon-41 4.61E-05 4.88E-14 2.00E-04 2.44E-08 Chromium-51 4.25E-04 4.50E-13 5.00E-04 8.99E-08 Manganese-54 9.60E-06 1.02E-14 3.00E-05 3.38E-08 Iron-55 1.08E-03 1.14E-12 1.00E-04 1.14E-06 Iron-59 3.95E-05 4.18E-14 1.00E-05 4.18E-07 Cobalt-57 4.20E-05 4.44E-14 6.00E-05 7.40E-08 Cobalt-58 9.84E-03 1.04E-11 2.00E-05 5.20E-05 Cobalt-60 6.20E-04 6.56E-13 3.00E-06 2.19E-05 Nickel-63 7.86E-03 8.31E-12 1.00E-04 8.31E-06 Zirconium-95 3.86E-06 4.08E-15 2.00E-05 2.04E-08 Niobium-95 2.15E-05 2.27E-14 3.00E-05 7.58E-08 Silver-110m 4.77E-06 5.05E-15 6.00E-06 8.41E-08 Antimony-125 2.20E-04 2.33E-13 3.00E-05 7.76E-07 Iodine-134 7.84E-06 8.29E-15 4.00E-04 2.07E-09 Xenon-133 6.41E-03 6.78E-12 2.00E-04 3.39E-06 Xenon-135 8.13E-04 8.60E-13 2.00E-04 4.30E-07 Xenon-133m 2.89E-05 3.06E-14 2.00E-04 1.53E-08 Cesium-134 2.87E-06 3.04E-15 9.00E-07 3.37E-07 Cesium-137 9.28E-05 9.82E-14 1.00E-06 9.82E-06 Krypton-85m 7.86E-06 8.31E-15 2.00E-04 4.16E-09

2024 Annual Radioactive Effluent Release Report 21 TABLE 4B: 2024 LIQUID CUMULATIVE DOSE

SUMMARY

QUARTER 1 OF 2024 ODCM Calculated Dose (mrem)

ODCM Limit (mrem)

% of Limit Total Dose for Bone 1.37E-03 5.00E+00 2.74E-02 Total Dose for Liver 5.98E-02 5.00E+00 1.20E+00 Total Dose for Total Body 5.97E-02 1.50E+00 3.98E+00 Total Dose for Thyroid 5.97E-02 5.00E+00 1.19E+00 Total Dose for Kidney 5.97E-02 5.00E+00 1.19E+00 Total Dose for Lung 5.97E-02 5.00E+00 1.19E+00 Total Dose for GI-LLI 5.98E-02 5.00E+00 1.20E+00 QUARTER 2 OF 2024 Total Dose for Bone 9.92E-03 5.00E+00 1.98E-01 Total Dose for Liver 7.19E-02 5.00E+00 1.44E+00 Total Dose for Total Body 7.15E-02 1.50E+00 4.77E+00 Total Dose for Thyroid 7.06E-02 5.00E+00 1.41E+00 Total Dose for Kidney 7.08E-02 5.00E+00 1.42E+00 Total Dose for Lung 7.07E-02 5.00E+00 1.41E+00 Total Dose for GI-LLI 7.33E-02 5.00E+00 1.47E+00 QUARTER 3 OF 2024 Total Dose for Bone 0.00E+00 5.00E+00 0.00E+00 Total Dose for Liver 1.82E-02 5.00E+00 3.64E-01 Total Dose for Total Body 1.82E-02 1.50E+00 1.21E+00 Total Dose for Thyroid 1.82E-02 5.00E+00 3.64E-01 Total Dose for Kidney 1.82E-02 5.00E+00 3.64E-01 Total Dose for Lung 1.82E-02 5.00E+00 3.64E-01 Total Dose for GI-LLI 1.82E-02 5.00E+00 3.64E-01 QUARTER 4 OF 2024 Total Dose for Bone 1.96E-04 5.00E+00 3.92E-03 Total Dose for Liver 8.23E-03 5.00E+00 1.65E-01 Total Dose for Total Body 8.23E-03 1.50E+00 5.49E-01 Total Dose for Thyroid 8.22E-03 5.00E+00 1.64E-01 Total Dose for Kidney 8.22E-03 5.00E+00 1.64E-01 Total Dose for Lung 8.22E-03 5.00E+00 1.64E-01 Total Dose for GI-LLI 8.24E-03 5.00E+00 1.65E-01 TOTALS FOR 2024 Total Dose for Bone 1.15E-02 1.00E+01 1.15E-01 Total Dose for Liver 1.58E-01 1.00E+01 1.58E+00 Total Dose for Total Body 1.58E-01 3.00E+00 5.27E+00 Total Dose for Thyroid 1.57E-01 1.00E+01 1.57E+00 Total Dose for Kidney 1.57E-01 1.00E+01 1.57E+00 Total Dose for Lung 1.57E-01 1.00E+01 1.57E+00 Total Dose for GI-LLI 1.59E-01 1.00E+01 1.59E+00

2024 Annual Radioactive Effluent Release Report 22 TABLE 4C:

LIQUID CUMULATIVE DOSE

SUMMARY

Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total Fission & Activation Products*

Total Release (Ci) 5.22E-03 1.34E-02 3.88E-04 1.23E-03 2.03E-02 Maximum Organ Dose (mrem) 1.37E-03 9.92E-03 1.39E-05 1.96E-04 1.15E-02 Organ Dose Limit (mrem) 5.00E+00 5.00E+00 5.00E+00 5.00E+00 1.00E+01 Percent of Limit 2.75E-02 1.98E-01 2.78E-04 3.93E-03 1.15E-01 Tritium Total Release (Ci) 4.21E+02 9.15E+01 1.91E+02 1.11E+02 8.15E+02 Maximum Organ Dose (mrem) 5.97E-02 7.06E-02 1.82E-02 8.22E-03 1.57E-01 Organ Dose Limit (mrem) 5.00E+00 5.00E+00 5.00E+00 5.00E+00 1.00E+01 Percent of Limit 1.19E+00 1.41E+00 3.63E-01 1.64E-01 1.57E+00 Dissolved & Entrained Gases Total Release (Ci) 5.51E-03 6.44E-04 1.13E-03 1.92E-05 7.30E-03 Gross Alpha Radioactivity Total Release (Ci) 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00

Does not include H-3, gases or alpha

2024 Annual Radioactive Effluent Release Report 23 TABLE 4D: 2024 GASEOUS CUMULATIVE DOSE

SUMMARY

QUARTER 1 OF 2024 ODCM Calculated Dose (mrem)

ODCM Limit (mrem)

% of Limit Total Dose for Bone 0.00E+00 7.50E+00 0.00E+00 Total Dose for Liver 2.55E-03 7.50E+00 3.40E-02 Total Dose for Total Body 2.55E-03 7.50E+00 3.40E-02 Total Dose for Thyroid 2.55E-03 7.50E+00 3.40E-02 Total Dose for Kidney 2.55E-03 7.50E+00 3.40E-02 Total Dose for Lung 2.55E-03 7.50E+00 3.40E-02 Total Dose for GI-LLI 2.55E-03 7.50E+00 3.40E-02 QUARTER 2 OF 2024 Total Dose for Bone 1.28E-07 7.50E+00 1.71E-06 Total Dose for Liver 1.41E-02 7.50E+00 1.88E-01 Total Dose for Total Body 1.41E-02 7.50E+00 1.88E-01 Total Dose for Thyroid 1.41E-02 7.50E+00 1.88E-01 Total Dose for Kidney 1.41E-02 7.50E+00 1.88E-01 Total Dose for Lung 1.41E-02 7.50E+00 1.88E-01 Total Dose for GI-LLI 1.41E-02 7.50E+00 1.88E-01 QUARTER 3 OF 2024 Total Dose for Bone 0.00E+00 7.50E+00 0.00E+00 Total Dose for Liver 7.81E-03 7.50E+00 1.04E-01 Total Dose for Total Body 7.81E-03 7.50E+00 1.04E-01 Total Dose for Thyroid 7.81E-03 7.50E+00 1.04E-01 Total Dose for Kidney 7.81E-03 7.50E+00 1.04E-01 Total Dose for Lung 7.81E-03 7.50E+00 1.04E-01 Total Dose for GI-LLI 7.81E-03 7.50E+00 1.04E-01 QUARTER 4 OF 2024 Total Dose for Bone 0.00E+00 7.50E+00 0.00E+00 Total Dose for Liver 2.61E-03 7.50E+00 3.48E-02 Total Dose for Total Body 2.61E-03 7.50E+00 3.48E-02 Total Dose for Thyroid 2.61E-03 7.50E+00 3.48E-02 Total Dose for Kidney 2.61E-03 7.50E+00 3.48E-02 Total Dose for Lung 2.61E-03 7.50E+00 3.48E-02 Total Dose for GI-LLI 2.61E-03 7.50E+00 3.48E-02 TOTALS FOR 2024 Total Dose for Bone 1.28E-07 1.50E+01 8.53E-07 Total Dose for Liver 2.71E-02 1.50E+01 1.81E-01 Total Dose for Total Body 2.71E-02 1.50E+01 1.81E-01 Total Dose for Thyroid 2.71E-02 1.50E+01 1.81E-01 Total Dose for Kidney 2.71E-02 1.50E+01 1.81E-01 Total Dose for Lung 2.71E-02 1.50E+01 1.81E-01 Total Dose for GI-LLI 2.71E-02 1.50E+01 1.81E-01

2024 Annual Radioactive Effluent Release Report 24 TABLE 4E: 2024 GASEOUS CUMULATIVE DOSE

SUMMARY

Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total Fission & Activation Gases Total Release (Ci) 1.94E-01 3.99E-02 5.57E-02 6.91E-02 3.59E-01 Total Gamma Air Dose (mrad) 1.19E-04 2.59E-05 3.41E-05 4.03E-05 2.20E-04 Gamma Air Dose Limit (mrad) 5.00E+00 5.00E+00 5.00E+00 5.00E+00 1.00E+01 Percent of Gamma Air Dose Limit 2.38E-03 5.17E-04 6.83E-04 8.07E-04 2.20E-03 Total Beta Air Dose (mrad) 4.34E-05 9.12E-06 1.24E-05 1.50E-05 7.99E-05 Beta Air Dose Limit (mrad) 1.00E+01 1.00E+01 1.00E+01 1.00E+01 2.00E+01 Percent of Beta Air Dose Limit 4.34E-04 9.12E-05 1.24E-04 1.50E-04 3.99E-04 Particulates Total Particulates (Ci) 0.00E+00 5.94E-07 0.00E+00 0.00E+00 5.94E-07 Maximum Organ Dose (mrem) 0.00E+00 3.16E-07 0.00E+00 0.00E+00 3.16E-07 Organ Dose Limit (mrem) 7.50E+00 7.50E+00 7.50E+00 7.50E+00 1.50E+01 Percent of Limit 0.00E+00 4.22E-06 0.00E+00 0.00E+00 2.11E-06 Tritium Total Release (Ci) 3.61E+00 1.99E+01 1.10E+01 3.69E+00 3.83E+01 Maximum Organ Dose (mrem) 2.55E-03 1.41E-02 7.81E-03 2.61E-03 2.71E-02 Organ Dose Limit (mrem) 7.50E+00 7.50E+00 7.50E+00 7.50E+00 1.50E+01 Percent of Limit 3.41E-02 1.88E-01 1.04E-01 3.48E-02 1.81E-01 Iodine Total Release (Ci) 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Maximum Organ Dose (mrem) 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Organ Dose Limit (mrem) 7.50E+00 7.50E+00 7.50E+00 7.50E+00 1.50E+01 Percent of Limit 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00

2024 Annual Radioactive Effluent Release Report 25 CALCULATIONS:

Gases:

1. The percent of ODCM limit for fission and activation gases is calculated using the following methodology: (The larger value calculated between Gamma and Beta air dose is listed as the %

of ODCM Limit)

% = ( )(100) 10 OR

% = ( )(100) 5

2. The percent of ODCM limit for iodine is calculated using the following methodology:

% = ( 131)(100) 1

3. The percent of ODCM limit for particulates is calculated using the following methodology:

% = ( )(100) 7.5

4. The percent of ODCM limit for tritium is calculated using the following methodology (this type of methodology is used since the Wolf Creek ODCM ties release limits to doses rather than curie release rates:

% = ( 3)(100) 7.5

5. Less than values for Noble Gases are calculated using the Lower Limit of Detection (LLD) values obtained at WCGS multiplied by the volume of air discharged during the respective quarter. For the Halogens and Particulates, the ODCM LLD values are used.

Liquids:

1. The Applicable Limit for fission and activation products at WCGS is 5 curies per year (reference 10CFR50, Appendix I, paragraph A.2). The percent of Applicable Limit is derived by the following:

% = ( )(100) 5

2. The percent of Applicable Limit for tritium is derived by the following formula:

% = ( )(100)

()

The ECL can be found in 10CFR20, Appendix B, Table 2

2024 Annual Radioactive Effluent Release Report 26

3. The percent of Applicable Limit for dissolved and entrained gases is derived by the following formula:

% = ( )(100)

(2.0004)

From ODCM, section 2.1

4. Less than values are calculated using the Lower Limit of Detection (LLD) values listed in Table 2-1 of the ODCM multiplied by the volume of waste discharged during the respective quarter. The less than values are not included in the summation for the total release values.

2024 Annual Radioactive Effluent Release Report 27 Appendix B Meteorological Data

2024 Annual Radioactive Effluent Release Report 28 HOURS AT EACH WIND SPEED AND DIRECTION This section documents WCGS meteorological data for wind speed, wind direction, and atmospheric stability.

The meteorological data supplied in the following tables covers the period from January 1, 2024, through December 31, 2024, and indicates the number of hours at each wind speed and direction for each stability class. All gaseous releases at the WCGS are ground level releases.

Wolf Creek Generating station met Regulatory Guide 1.23 requirements for data recovery for all required instruments. Utilizing NPIS data, 90% or greater data recovery was achieved for all required sensors.

2024 Annual Radioactive Effluent Release Report 29 Hours At Each Wind Speed and Direction Period of Record: JANUARY 1 THROUGH DECEMBER 31, 2024 Stability Class: A Elevation: 10 Meters Wind Speed (mph)

Wind Direction Cardinals 1-3 4-7 8-12 13-18 19-24

> 24 Total N

4.75 17.75 45.00 11.25 2.50 0.00 81.25 NNE 8.75 44.25 50.00 7.50 1.00 0.00 111.50 NE 10.75 52.25 21.00 1.50 0.00 0.00 85.50 ENE 8.00 46.75 28.00 2.75 0.00 0.00 85.50 E

10.00 42.50 51.25 7.25 0.00 0.00 111.00 ESE 9.50 39.00 57.50 5.50 0.00 0.00 111.50 SE 16.00 49.00 44.50 15.75 2.75 1.25 129.25 SSE 14.75 70.25 70.00 36.75 5.50 0.50 197.75 S

11.25 61.50 105.50 97.00 19.00 5.75 300.00 SSW 7.25 33.75 54.00 62.50 18.50 0.00 176.00 SW 10.50 31.50 28.25 10.25 2.00 0.00 82.50 WSW 10.00 19.75 20.50 6.50 4.50 0.00 61.25 W

8.75 26.50 23.50 5.50 1.50 2.50 68.25 WNW 5.25 17.00 22.50 10.50 9.50 0.25 65.00 NW 4.00 18.75 59.25 22.75 11.25 1.25 117.25 NNW 5.00 20.00 49.25 31.50 8.00 0.75 114.50 Total 144.50 590.50 730.00 334.75 86.00 12.25 1898.00 Hours of Calm (<1.0 mph): 25.25

2024 Annual Radioactive Effluent Release Report 30 Hours At Each Wind Speed and Direction Period of Record: JANUARY 1 THROUGH DECEMBER 31, 2024 Stability Class: B Elevation: 10 Meters Wind Speed (mph)

Wind Direction Cardinals 1-3 4-7 8-12 13-18 19-24

> 24 Total N

0.75 4.50 10.25 9.25 0.25 0.00 25.00 NNE 2.25 10.00 10.50 5.25 0.25 0.00 28.25 NE 2.50 6.75 2.00 0.00 0.00 0.00 11.25 ENE 1.00 6.00 5.25 0.75 0.00 0.00 13.00 E

0.75 5.75 4.50 0.25 0.00 0.00 11.25 ESE 0.25 3.50 2.25 0.75 0.00 0.00 6.75 SE 1.00 5.00 5.00 1.75 0.25 0.00 13.00 SSE 1.50 9.50 15.25 7.50 1.00 0.00 34.75 S

0.75 15.75 17.75 15.75 3.50 2.75 56.25 SSW 0.50 2.50 15.00 12.50 2.25 0.25 33.00 SW 0.50 3.00 3.25 0.50 1.00 0.00 8.25 WSW 0.50 1.50 2.75 2.00 0.50 0.00 7.25 W

0.50 2.50 1.00 0.75 0.25 0.00 5.00 WNW 0.00 2.00 3.75 1.00 2.25 0.00 9.00 NW 0.50 2.00 10.50 7.00 2.25 0.25 22.50 NNW 0.75 3.50 15.75 10.50 1.50 0.00 32.00 Total 14.00 83.75 124.75 75.50 15.25 3.25 316.50 Hours of Calm (<1.0 mph): 4.50

2024 Annual Radioactive Effluent Release Report 31 Hours At Each Wind Speed and Direction Period of Record: JANUARY 1 THROUGH DECEMBER 31, 2024 Stability Class: C Elevation: 10 Meters Wind Speed (mph)

Wind Direction Cardinals 1-3 4-7 8-12 13-18 19-24

> 24 Total N

1.75 8.25 13.00 5.25 3.50 0.25 32.00 NNE 2.25 11.25 10.00 4.50 0.25 0.00 28.25 NE 3.25 6.00 2.75 0.25 0.00 0.00 12.25 ENE 2.00 5.50 3.75 0.25 0.00 0.00 11.50 E

1.25 5.25 7.00 0.00 0.00 0.00 13.50 ESE 0.50 3.25 3.25 0.25 0.00 0.00 7.25 SE 1.00 4.00 4.50 1.75 0.00 0.00 11.25 SSE 0.75 16.00 13.25 10.25 3.50 0.25 44.00 S

1.25 14.25 12.50 10.25 6.00 1.50 45.75 SSW 1.00 4.00 10.25 11.75 4.00 2.50 33.50 SW 0.00 2.75 3.75 1.00 0.00 0.00 7.50 WSW 1.00 2.25 1.50 1.00 0.25 0.00 6.00 W

1.50 2.25 2.50 2.50 1.25 0.00 10.00 WNW 0.25 2.50 2.75 4.75 3.25 0.25 13.75 NW 0.50 3.00 8.50 8.25 3.00 0.25 23.50 NNW 0.25 4.00 12.50 9.25 1.25 0.75 28.00 Total 18.50 94.50 111.75 71.25 26.25 5.75 328.00 Hours of Calm (<1.0 mph): 2.25

2024 Annual Radioactive Effluent Release Report 32 Hours At Each Wind Speed and Direction Period of Record: JANUARY 1 THROUGH DECEMBER 31, 2024 Stability Class: D Elevation: 10 Meters Wind Speed (mph)

Wind Direction Cardinals 1-3 4-7 8-12 13-18 19-24

> 24 Total N

9.00 46.50 79.00 46.00 10.50 1.25 192.25 NNE 14.75 58.00 61.25 13.75 2.00 0.25 150.00 NE 24.25 50.00 19.00 2.50 0.25 0.00 96.00 ENE 11.50 34.25 25.50 3.50 0.25 0.50 75.50 E

9.00 39.75 33.75 10.25 0.50 0.50 93.75 ESE 7.75 29.50 29.00 12.00 1.75 0.75 80.75 SE 4.50 22.00 35.50 19.75 4.25 0.50 86.50 SSE 5.50 36.50 82.75 80.00 8.75 4.25 217.75 S

7.25 40.50 114.00 94.50 25.00 13.25 294.50 SSW 8.50 30.75 81.00 49.00 37.50 5.50 212.25 SW 6.50 22.25 8.75 1.75 0.75 0.00 40.00 WSW 5.00 14.75 7.00 2.75 1.25 0.00 30.75 W

3.75 12.25 20.50 12.00 2.50 1.50 52.50 WNW 2.00 9.25 35.75 31.25 7.00 0.25 85.50 NW 3.25 25.25 49.75 42.25 11.00 1.25 132.75 NNW 6.50 47.75 81.25 81.25 14.75 3.50 235.00 Total 129.00 519.25 763.75 502.50 128.00 33.25 2075.75 Hours of Calm (<1.0 mph): 2.75

2024 Annual Radioactive Effluent Release Report 33 Hours At Each Wind Speed and Direction Period of Record: JANUARY 1 THROUGH DECEMBER 31, 2024 Stability Class: E Elevation: 10 Meters Wind Speed (mph)

Wind Direction Cardinals 1-3 4-7 8-12 13-18 19-24

> 24 Total N

21.00 42.25 49.75 8.50 1.00 0.00 122.50 NNE 34.75 56.00 24.00 2.25 0.00 0.00 117.00 NE 37.25 49.00 11.25 1.50 0.00 0.00 99.00 ENE 26.25 62.75 34.25 1.25 0.00 0.00 124.50 E

28.50 76.00 41.75 11.25 0.25 0.00 157.75 ESE 20.25 81.00 41.50 6.50 1.00 2.25 152.50 SE 12.00 88.25 59.00 19.25 4.75 0.50 183.75 SSE 9.00 129.75 177.25 73.25 7.50 2.50 399.25 S

8.75 99.75 93.25 64.00 36.75 14.25 316.75 SSW 10.50 46.00 51.25 16.00 1.00 0.00 124.75 SW 14.25 29.50 5.25 1.75 1.75 0.00 52.50 WSW 10.75 22.75 18.50 2.00 1.00 0.00 55.00 W

4.25 19.00 21.50 6.50 0.25 0.25 51.75 WNW 3.50 22.00 17.75 1.75 0.25 0.00 45.25 NW 3.00 34.25 31.00 5.50 0.00 0.50 74.25 NNW 10.50 68.50 49.25 5.75 1.00 0.00 135.00 Total 254.50 926.75 726.50 227.00 56.50 20.25 2211.50 Hours of Calm (<1.0 mph): 4.00

2024 Annual Radioactive Effluent Release Report 34 Hours At Each Wind Speed and Direction Period of Record: JANUARY 1 THROUGH DECEMBER 31, 2024 Stability Class: F Elevation: 10 Meters Wind Speed (mph)

Wind Direction Cardinals 1-3 4-7 8-12 13-18 19-24

> 24 Total N

16.00 58.25 5.50 0.25 0.00 0.00 80.00 NNE 37.50 36.75 2.50 0.00 0.00 0.00 76.75 NE 31.00 21.50 0.00 0.00 0.00 0.00 52.50 ENE 19.25 51.25 1.50 0.00 0.00 0.00 72.00 E

22.25 62.25 3.75 0.25 0.00 0.00 88.50 ESE 23.00 93.00 4.00 0.50 0.00 0.00 120.50 SE 15.25 89.25 15.00 0.25 0.00 0.00 119.75 SSE 9.75 86.75 25.50 6.75 0.25 0.00 129.00 S

6.25 31.00 9.50 3.50 0.50 0.00 50.75 SSW 7.50 18.25 7.00 0.25 0.00 0.00 33.00 SW 9.25 8.25 0.00 0.00 0.00 0.00 17.50 WSW 12.00 8.25 0.00 0.00 0.00 0.00 20.25 W

6.50 10.00 1.25 0.00 0.00 0.00 17.75 WNW 4.75 6.00 2.50 0.00 0.00 0.00 13.25 NW 10.75 27.50 5.75 0.00 0.00 0.00 44.00 NNW 16.75 51.00 10.50 0.00 0.00 0.00 78.25 Total 247.75 659.25 94.25 11.75 0.75 0.00 1013.75 Hours of Calm (<1.0 mph): 2.75

2024 Annual Radioactive Effluent Release Report 35 Hours At Each Wind Speed and Direction Period of Record: JANUARY 1 THROUGH DECEMBER 31, 2024 Stability Class: G Elevation: 10 Meters Wind Speed (mph)

Wind Direction Cardinals 1-3 4-7 8-12 13-18 19-24

> 24 Total N

21.75 30.00 1.50 0.00 0.00 0.00 53.25 NNE 59.75 63.25 0.50 0.00 0.00 0.00 123.50 NE 49.75 18.25 0.50 0.00 0.00 0.00 68.50 ENE 24.50 56.25 0.75 0.00 0.00 0.00 81.50 E

39.25 74.75 1.50 0.50 0.00 0.00 116.00 ESE 36.75 59.25 0.00 0.00 0.00 0.00 96.00 SE 21.25 68.00 2.25 0.00 0.00 0.00 91.50 SSE 10.25 42.75 3.50 0.00 0.00 0.00 56.50 S

6.00 7.25 2.25 0.50 0.00 0.00 16.00 SSW 5.25 2.25 0.50 0.00 0.00 0.00 8.00 SW 7.50 3.75 0.25 0.00 0.00 0.00 11.50 WSW 8.00 1.75 0.00 0.00 0.00 0.00 9.75 W

3.75 1.00 0.00 0.00 0.00 0.00 4.75 WNW 8.50 1.75 0.00 0.00 0.00 0.00 10.25 NW 16.75 9.50 0.25 0.00 0.00 0.00 26.50 NNW 23.25 28.00 1.00 0.00 0.00 0.00 52.25 Total 342.25 467.75 14.75 1.00 0.00 0.00 825.75 Hours of Calm (<1.0 mph): 10.00

2024 Annual Radioactive Effluent Release Report 36 Hours At Each Wind Speed and Direction Period of Record: JANUARY 1 THROUGH DECEMBER 31, 2024 Stability Class: ALL Elevation: 10 Meters Wind Speed (mph)

Wind Direction Cardinals 1-3 4-7 8-12 13-18 19-24

> 24 Total N

75.00 207.50 204.00 80.50 17.75 1.50 586.25 NNE 160.00 279.50 158.75 33.25 3.50 0.25 635.25 NE 158.75 203.75 56.50 5.75 0.25 0.00 425.00 ENE 92.50 262.75 99.00 8.50 0.25 0.50 463.50 E

111.00 306.25 143.50 29.75 0.75 0.50 591.75 ESE 98.00 308.50 137.50 25.50 2.75 3.00 575.25 SE 71.00 325.50 165.75 58.50 12.00 2.25 635.00 SSE 51.50 391.50 387.50 214.50 26.50 7.50 1079.00 S

41.50 270.00 354.75 285.50 90.75 37.50 1080.00 SSW 40.50 137.50 219.00 152.00 63.25 8.25 620.50 SW 48.50 101.00 49.50 15.25 5.50 0.00 219.75 WSW 47.25 71.00 50.25 14.25 7.50 0.00 190.25 W

29.00 73.50 70.25 27.25 5.75 4.25 210.00 WNW 24.25 60.50 85.00 49.25 22.25 0.75 242.00 NW 38.75 120.25 165.00 85.75 27.50 3.50 440.75 NNW 63.00 222.75 219.50 138.25 26.50 5.00 675.00 Total 1150.50 3341.75 2565.75 1223.75 312.75 74.75 8669.25 Hours of Calm (<1.0 mph): 51.50 Maximum Hours of Invalid Data: 63.25

2024 Annual Radioactive Effluent Release Report 37 Appendix C ONSITE GROUNDWATER PROTECTION PROGRAM MONITORING

2024 Annual Radioactive Effluent Release Report 38 ONSITE GROUNDWATER PROTECTION PROGRAM MONITORING Objective The objective of onsite groundwater protection program monitoring is to ensure timely detection of inadvertent radiological releases to ground water. At the Wolf Creek Generating Station (WCGS), some background tritium influences from lake water reuse are normal and expected.

Basis The onsite groundwater protection program monitoring sample results are being reported in the Radioactive Effluent Release Report per guidance received in association with the Nuclear Energy Institute (NEI) Groundwater Protection Industry Initiative. The following information is also being reported in association with the NEI Groundwater Protection Industry Initiative:

1. Describe any onsite licensed radioactive material releases or spills that were voluntarily communicated to State/Local officials during the calendar year. - None

2. Describe any onsite groundwater sample results that exceeded the reporting thresholds that were voluntarily communicated to State/Local officials during the calendar year. - None There were no radioactive material releases, spills, or reporting level exceedances reported to State/Local officials during 2024.

Onsite Groundwater Protection Program Monitoring Description In March of 2006, WCGS established an onsite groundwater protection monitoring program. During 2008, thirteen monitoring wells were added to the onsite groundwater protection monitoring program.

The onsite groundwater protection program monitoring is implemented via procedure AI 07-007, Onsite Groundwater Protection Program Monitoring. During 2018 an additional 5 wells were installed. In October of 2019, the AUX location, a dewatering well located on the East side of the Auxiliary Building, was removed from the monitoring program due to being a subsurface dewatering well and is reported with subsurface water results. The onsite groundwater samples were collected by a WCGS Environmental technician and analyzed by Microbac Laboratories, Inc. Onsite groundwater samples were collected quarterly when available, and were analyzed by gamma isotopic analysis, radiochemical analysis for I-131, and tritium analysis. The vendor lab (Microbac Laboratories, Inc.) participated in an interlaboratory comparison program. The following tables describe the sample locations, the lower limits of detection and the reporting levels for radioactivity detected.

2024 Annual Radioactive Effluent Release Report 39 Sample Location Sample Location Description EAST ESW-W Essential Service Water Dewatering Well, East Group, West well, located southeast of the reactor MW-01A Monitoring Well, shallow depth, located northeast of the reactor (control sample location)

MW-01B Monitoring Well, mid-range depth, located northeast of the reactor (control sample location)

MW-01C Monitoring Well, deep depth, located northeast of the reactor (control sample location)

MW-02A Monitoring Well, shallow depth, located northwest of the reactor MW-02B Monitoring Well, mid-range depth, located northwest of the reactor MW-03A Monitoring Well, shallow depth, located southwest of the reactor MW-03B Monitoring Well, mid-range depth, located southwest of the reactor MW-03C Monitoring Well, deep depth, located southwest of the reactor MW-05C Monitoring Well, deep depth, located south of the reactor MW-11A Monitoring Well, shallow depth, located southwest of the reactor MW-11B Monitoring Well, mid-range depth, located southwest of the reactor MW-12A Monitoring Well, shallow depth, located south of the reactor MW-12B Monitoring Well, mid-range depth, located south of the reactor MW-13 Monitoring Well, mid-range depth, located south of the reactor MW-14 Monitoring Well, mid-range depth, located southeast of the reactor MW-15 Monitoring Well, mid-range depth, located southeast of the reactor MW-16 Monitoring Well, mid-range depth, located southeast of the reactor MW-17 Monitoring Well, mid-range depth, located southeast of the reactor WEST ESW-W Essential Service Water Dewatering Well, West Group, West well, located south of the reactor Onsite Groundwater Lower Limits of Detection Analysis (pCi/L)

Analysis (pCi/L)

H-3 2,000 Zr-Nb-95 15 Mn-54 15 I-131 1

Co-58 15 Cs-134 15 Fe-59 30 Cs-137 18 Co-60 15 Ba-La-140 15 Zn-65 30 Reporting Levels for Radioactivity Detected in Onsite Groundwater Analysis (pCi/L)

Analysis (pCi/L)

H-3 20,000 Zr-Nb-95 400 Mn-54 1,000 I-131 2

Co-58 1,000 Cs-134 30 Fe-59 400 Cs-137 50 Co-60 300 Ba-La-140 200 Zn-65 300

2024 Annual Radioactive Effluent Release Report 40 Discussion of Results Low levels of tritium were detected in an Essential Service Water dewatering well (EAST ESW-W), MW-12A, and, MW-15, all within areas of backfill during plant construction. Overall, our numbers were below our LLDs. This has been attributed to the Plants reuse of tritiated lake water and is consistent with gaseous tritium deposition during normal operation. Lake water is used for plant cooling, which includes Essential Service Water, and the Fire Protection System.

The monitoring well sample with the highest level of tritium detected (209 +/- 93 pCi/L) was collected on 3-27-24 from the MW-12A location. The measured monitoring well tritium levels are significantly lower than the tritium levels routinely detected in surface water collected from Coffey County Lake (2024 range was 10,663 to 15,030 pCi/L).

The tritium activity was the only activity detected in the onsite groundwater samples. LLDs were met, and sample analysis results were below the applicable reporting levels.

Subsurface Water Due to Industry Operating Experience, the WCGS started collecting and analyzing subsurface water during 2010. Subsurface water monitoring is a portion of the Groundwater Protection Program and is implemented via procedure AI 07-007, Onsite Groundwater Protection Program Monitoring. The definitions for subsurface water include:

1. Water that is encountered below grade while excavating, trenching, or drilling outside of the Radiologically Controlled Area and within the area displayed in Figure 1 (of AI 07-007). This excludes recent rainfall build-up in open excavation trenches.

2. Water that is encountered below grade or water that needs to be removed that is outside of a building, outside of the Radiologically Controlled Area and within the area displayed in Figure 1 (of AI 07-007).

Examples include electrical vaults, piping vaults, valve pits, manholes, concrete pits, etc. Excludes removing water from power block sumps, sanitary sewers, spill containment berms or from within buildings.

The subsurface water samples were analyzed by the WCGS Chemistry Laboratory and the results were reviewed by Environmental Management and Chemistry. The subsurface water samples were analyzed for tritium and gamma activity. The following table identifies the sample dates, sample locations, and the analysis results.

2024 Annual Radioactive Effluent Release Report 41 Date Location Description Tritium (pCi/L) 01/25/24 CW-3 (1CW0008C) Manhole near the Radwaste Building 8,281 02/19/24 EMH137 between Charles Evans Building and Containment 9,956 03/23/24 Dewatering Well #1 (1DW0001) - East of the Turbine Building 8,554 03/23/24 Dewatering Well #2 (1DW0002) - East of the Turbine Building 15,551 03/23/24 Dewatering Well #3 (1DW0003) - West of Turbine Building 5,047 03/23/24 Dewatering Well #5 (1DWV005)- West of the Hot Machine

<1,910 03/23/24 Dewatering Well #7 (1DW0007) - SW of Com. Corridor 2,911 05/28/24 EMH105 Between OAB and Turbine Building

<1,992 07/22/24 CW-3 (1CW0008C) Manhole near the Radwaste Building 2,550 08/21/24 Dewatering Well #1 (1DW0001) - East of the Turbine Building 9,981 08/21/24 Dewatering Well #2 (1DW0002) - East of the Turbine Building 9,993 08/21/24 Dewatering Well #7 (1DW0007) - SW of Com. Corridor 3,225 10/07/24 EMH106 West Charles Evans between fence 2,014 11/04/24 EMH106 West Charles Evans between fence 2,713 11/04/24 EMH119 NW Turbine building near transformers 2,020 Highest detected tritium measured was 15,551 pCi/L in a sample collected on 03/23/24 from manhole Dewatering Well #2 (1DW0002) located east of the Turbine Building. Gamma activity was not detected in the 03/23/24 subsurface water sample. Again, the detected tritium activity is likely due to the Plants reuse of tritiated lake water. Lake water is used for plant cooling, which includes Essential Service Water (ESW), and the Fire Protection System. The measured tritium levels from subsurface water monitoring were lower than the onsite groundwater tritium reporting level of 20,000 pCi/L.

Conclusion Based upon the results of the water samples that were analyzed in association with the Onsite Groundwater Protection Program, no inadvertent radiological releases to ground water were identified.

2024 Annual Radioactive Effluent Release Report 42 Onsite Groundwater Results Concentration (pCi/L)

LOCATION DATE NUCLIDE ACTIVITY SIGN ERROR NOTE EAST ESW-W 27-Mar-24 MN-54 2.4 EAST ESW-W 27-Mar-24 CO-58 1.6 EAST ESW-W 27-Mar-24 FE-59 4

EAST ESW-W 27-Mar-24 CO-60 1.7 EAST ESW-W 27-Mar-24 ZN-65 5.1 EAST ESW-W 27-Mar-24 ZR-NB-95 2.8 EAST ESW-W 27-Mar-24 I-131 0.447 EAST ESW-W 27-Mar-24 CS-134 2.7 EAST ESW-W 27-Mar-24 CS-137 3

EAST ESW-W 27-Mar-24 BA-LA-140 5.3 EAST ESW-W 27-Mar-24 H-3 192

+/-

92 EAST ESW-W 19-Jun-24 MN-54 3.3 EAST ESW-W 19-Jun-24 CO-58 2.4 EAST ESW-W 19-Jun-24 FE-59 4.2 EAST ESW-W 19-Jun-24 CO-60 3.7 EAST ESW-W 19-Jun-24 ZN-65 8

EAST ESW-W 19-Jun-24 ZR-NB-95 3.2 EAST ESW-W 19-Jun-24 I-131 0.263 EAST ESW-W 19-Jun-24 CS-134 2.9 EAST ESW-W 19-Jun-24 CS-137 2.5 EAST ESW-W 19-Jun-24 BA-LA-140 2.3 EAST ESW-W 19-Jun-24 H-3 185 EAST ESW-W 12-Sep-24 MN-54 6.4

2024 Annual Radioactive Effluent Release Report 43 EAST ESW-W 12-Sep-24 CO-58 6.9 EAST ESW-W 12-Sep-24 FE-59 8.1 EAST ESW-W 12-Sep-24 CO-60 4.9 EAST ESW-W 12-Sep-24 ZN-65 7.4 EAST ESW-W 12-Sep-24 ZR-NB-95 5.6 EAST ESW-W 12-Sep-24 I-131 0.373 EAST ESW-W 12-Sep-24 CS-134 6.4 EAST ESW-W 12-Sep-24 CS-137 4.6 EAST ESW-W 12-Sep-24 BA-LA-140 5.8 EAST ESW-W 12-Sep-24 H-3 180 EAST ESW-W 24-Oct-24 MN-54 3.8 EAST ESW-W 24-Oct-24 CO-58 2.7 EAST ESW-W 24-Oct-24 FE-59 5.5 EAST ESW-W 24-Oct-24 CO-60 3.1 EAST ESW-W 24-Oct-24 ZN-65 6.5 EAST ESW-W 24-Oct-24 ZR-NB-95 3.1 EAST ESW-W 24-Oct-24 I-131 0.439 EAST ESW-W 24-Oct-24 CS-134 3.4 EAST ESW-W 24-Oct-24 CS-137 3.6 EAST ESW-W 24-Oct-24 BA-LA-140 2.6 EAST ESW-W 24-Oct-24 H-3 185 MW-01A 27-Mar-24 MN-54 3.6 MW-01A 27-Mar-24 CO-58 4

MW-01A 27-Mar-24 FE-59 3.5 MW-01A 27-Mar-24 CO-60 4

MW-01A 27-Mar-24 ZN-65 7.6

2024 Annual Radioactive Effluent Release Report 44 MW-01A 27-Mar-24 ZR-NB-95 3.9 MW-01A 27-Mar-24 I-131 0.425 MW-01A 27-Mar-24 CS-134 3.7 MW-01A 27-Mar-24 CS-137 4.3 MW-01A 27-Mar-24 BA-LA-140 2.9 MW-01A 27-Mar-24 H-3 175 MW-01A 19-Jun-24 MN-54 2.3 MW-01A 19-Jun-24 CO-58 3.8 MW-01A 19-Jun-24 FE-59 6.5 MW-01A 19-Jun-24 CO-60 4.7 MW-01A 19-Jun-24 ZN-65 7.5 MW-01A 19-Jun-24 ZR-NB-95 3.9 MW-01A 19-Jun-24 I-131 0.437 MW-01A 19-Jun-24 CS-134 4.2 MW-01A 19-Jun-24 CS-137 4.8 MW-01A 19-Jun-24 BA-LA-140 1.8 MW-01A 19-Jun-24 H-3 185 MW-01A 12-Sep-24 MN-54 3.8 MW-01A 12-Sep-24 CO-58 3.1 MW-01A 12-Sep-24 FE-59 7.4 MW-01A 12-Sep-24 CO-60 3.4 MW-01A 12-Sep-24 ZN-65 2.2 MW-01A 12-Sep-24 ZR-NB-95 3.1 MW-01A 12-Sep-24 I-131 0.304 MW-01A 12-Sep-24 CS-134 4.8 MW-01A 12-Sep-24 CS-137 6.2

2024 Annual Radioactive Effluent Release Report 45 MW-01A 12-Sep-24 BA-LA-140 2

MW-01A 12-Sep-24 H-3 186 MW-01A 24-Oct-24 MN-54 2.7 MW-01A 24-Oct-24 CO-58 2.4 MW-01A 24-Oct-24 FE-59 6.1 MW-01A 24-Oct-24 CO-60 5.5 MW-01A 24-Oct-24 ZN-65 6.2 MW-01A 24-Oct-24 ZR-NB-95 2.7 MW-01A 24-Oct-24 I-131 0.391 MW-01A 24-Oct-24 CS-134 4.4 MW-01A 24-Oct-24 CS-137 5.5 MW-01A 24-Oct-24 BA-LA-140 3.5 MW-01A 24-Oct-24 H-3 185 MW-01B 27-Mar-24 MN-54 3.5 MW-01B 27-Mar-24 CO-58 5.9 MW-01B 27-Mar-24 FE-59 3.7 MW-01B 27-Mar-24 CO-60 3.4 MW-01B 27-Mar-24 ZN-65 6.3 MW-01B 27-Mar-24 ZR-NB-95 7.5 MW-01B 27-Mar-24 I-131 0.487 MW-01B 27-Mar-24 CS-134 6

MW-01B 27-Mar-24 CS-137 5.2 MW-01B 27-Mar-24 BA-LA-140 6.3 MW-01B 27-Mar-24 H-3 175 MW-01B 19-Jun-24 MN-54 6.1 MW-01B 19-Jun-24 CO-58 7.6

2024 Annual Radioactive Effluent Release Report 46 MW-01B 19-Jun-24 FE-59 11.7 MW-01B 19-Jun-24 CO-60 3.2 MW-01B 19-Jun-24 ZN-65 8.4 MW-01B 19-Jun-24 ZR-NB-95 5.8 MW-01B 19-Jun-24 I-131 0.373 MW-01B 19-Jun-24 CS-134 8.1 MW-01B 19-Jun-24 CS-137 6.3 MW-01B 19-Jun-24 BA-LA-140 3.5 MW-01B 19-Jun-24 H-3 185 MW-01B 12-Sep-24 MN-54 5.3 MW-01B 12-Sep-24 CO-58 5.4 MW-01B 12-Sep-24 FE-59 5.4 MW-01B 12-Sep-24 CO-60 5.6 MW-01B 12-Sep-24 ZN-65 8.5 MW-01B 12-Sep-24 ZR-NB-95 5.6 MW-01B 12-Sep-24 I-131 0.464 MW-01B 12-Sep-24 CS-134 7.5 MW-01B 12-Sep-24 CS-137 7.8 MW-01B 12-Sep-24 BA-LA-140 7.1 MW-01B 12-Sep-24 H-3 180 MW-01B 24-Oct-24 MN-54 8.3 MW-01B 24-Oct-24 CO-58 7.3 MW-01B 24-Oct-24 FE-59 9.5 MW-01B 24-Oct-24 CO-60 5.8 MW-01B 24-Oct-24 ZN-65 10.5 MW-01B 24-Oct-24 ZR-NB-95 4.3

2024 Annual Radioactive Effluent Release Report 47 MW-01B 24-Oct-24 I-131 0.406 MW-01B 24-Oct-24 CS-134 6.7 MW-01B 24-Oct-24 CS-137 6.3 MW-01B 24-Oct-24 BA-LA-140 5.6 MW-01B 24-Oct-24 H-3 185 MW-01C 27-Mar-24 MN-54 4.7 MW-01C 27-Mar-24 CO-58 4.6 MW-01C 27-Mar-24 FE-59 8.3 MW-01C 27-Mar-24 CO-60 5.3 MW-01C 27-Mar-24 ZN-65 11.4 MW-01C 27-Mar-24 ZR-NB-95 4.1 MW-01C 27-Mar-24 I-131 0.484 MW-01C 27-Mar-24 CS-134 6.7 MW-01C 27-Mar-24 CS-137 6.6 MW-01C 27-Mar-24 BA-LA-140 3

MW-01C 27-Mar-24 H-3 175 MW-01C 19-Jun-24 MN-54 2.6 MW-01C 19-Jun-24 CO-58 3.1 MW-01C 19-Jun-24 FE-59 4.4 MW-01C 19-Jun-24 CO-60 2.8 MW-01C 19-Jun-24 ZN-65 2.8 MW-01C 19-Jun-24 ZR-NB-95 2.7 MW-01C 19-Jun-24 I-131 0.366 MW-01C 19-Jun-24 CS-134 4

MW-01C 19-Jun-24 CS-137 3

MW-01C 19-Jun-24 BA-LA-140 2.2

2024 Annual Radioactive Effluent Release Report 48 MW-01C 19-Jun-24 H-3 185 MW-01C 12-Sep-24 MN-54 3.6 MW-01C 12-Sep-24 CO-58 2.9 MW-01C 12-Sep-24 FE-59 5.2 MW-01C 12-Sep-24 CO-60 2.7 MW-01C 12-Sep-24 ZN-65 6.8 MW-01C 12-Sep-24 ZR-NB-95 2.8 MW-01C 12-Sep-24 I-131 0.42 MW-01C 12-Sep-24 CS-134 4.5 MW-01C 12-Sep-24 CS-137 3.8 MW-01C 12-Sep-24 BA-LA-140 3.1 MW-01C 12-Sep-24 H-3 180 MW-01C 24-Oct-24 MN-54 2.9 MW-01C 24-Oct-24 CO-58 3.2 MW-01C 24-Oct-24 FE-59 6.3 MW-01C 24-Oct-24 CO-60 1.9 MW-01C 24-Oct-24 ZN-65 6.3 MW-01C 24-Oct-24 ZR-NB-95 4.3 MW-01C 24-Oct-24 I-131 0.437 MW-01C 24-Oct-24 CS-134 3.9 MW-01C 24-Oct-24 CS-137 3.3 MW-01C 24-Oct-24 BA-LA-140 3.3 MW-01C 24-Oct-24 H-3 185 MW-02A 27-Mar-24 MN-54 1.6 MW-02A 27-Mar-24 CO-58 1.4 MW-02A 27-Mar-24 FE-59 3.5

2024 Annual Radioactive Effluent Release Report 49 MW-02A 27-Mar-24 CO-60 1.7 MW-02A 27-Mar-24 ZN-65 4.3 MW-02A 27-Mar-24 ZR-NB-95 1.7 MW-02A 27-Mar-24 I-131 0.44 MW-02A 27-Mar-24 CS-134 2.6 MW-02A 27-Mar-24 CS-137 3.1 MW-02A 27-Mar-24 BA-LA-140 4.9 MW-02A 27-Mar-24 H-3 175 MW-02A 19-Jun-24 MN-54 2.5 MW-02A 19-Jun-24 CO-58 2.2 MW-02A 19-Jun-24 FE-59 3.8 MW-02A 19-Jun-24 CO-60 1.6 MW-02A 19-Jun-24 ZN-65 4.1 MW-02A 19-Jun-24 ZR-NB-95 2.7 MW-02A 19-Jun-24 I-131 0.329 MW-02A 19-Jun-24 CS-134 3.1 MW-02A 19-Jun-24 CS-137 4.2 MW-02A 19-Jun-24 BA-LA-140 3.4 MW-02A 19-Jun-24 H-3 185 MW-02A 12-Sep-24 MN-54 2.6 MW-02A 12-Sep-24 CO-58 3.2 MW-02A 12-Sep-24 FE-59 4

MW-02A 12-Sep-24 CO-60 2.5 MW-02A 12-Sep-24 ZN-65 3.7 MW-02A 12-Sep-24 ZR-NB-95 3.8 MW-02A 12-Sep-24 I-131 0.32

2024 Annual Radioactive Effluent Release Report 50 MW-02A 12-Sep-24 CS-134 3.1 MW-02A 12-Sep-24 CS-137 3.2 MW-02A 12-Sep-24 BA-LA-140 4.4 MW-02A 12-Sep-24 H-3 180 MW-02A 24-Oct-24 MN-54 2

MW-02A 24-Oct-24 CO-58 2.2 MW-02A 24-Oct-24 FE-59 4.8 MW-02A 24-Oct-24 CO-60 2.1 MW-02A 24-Oct-24 ZN-65 3.7 MW-02A 24-Oct-24 ZR-NB-95 2.5 MW-02A 24-Oct-24 I-131 0.429 MW-02A 24-Oct-24 CS-134 3.5 MW-02A 24-Oct-24 CS-137 4.1 MW-02A 24-Oct-24 BA-LA-140 2.9 MW-02A 24-Oct-24 H-3 185 MW-02B 27-Mar-24 MN-54 1.8 MW-02B 27-Mar-24 CO-58 2

MW-02B 27-Mar-24 FE-59 3.8 MW-02B 27-Mar-24 CO-60 2

MW-02B 27-Mar-24 ZN-65 5.4 MW-02B 27-Mar-24 ZR-NB-95 3.1 MW-02B 27-Mar-24 I-131 0.466 MW-02B 27-Mar-24 CS-134 2.8 MW-02B 27-Mar-24 CS-137 3

MW-02B 27-Mar-24 BA-LA-140 2.9 MW-02B 27-Mar-24 H-3 175

2024 Annual Radioactive Effluent Release Report 51 MW-02B 19-Jun-24 MN-54 3.1 MW-02B 19-Jun-24 CO-58 3.9 MW-02B 19-Jun-24 FE-59 3.7 MW-02B 19-Jun-24 CO-60 4.9 MW-02B 19-Jun-24 ZN-65 3.8 MW-02B 19-Jun-24 ZR-NB-95 3.7 MW-02B 19-Jun-24 I-131 0.42 MW-02B 19-Jun-24 CS-134 4.5 MW-02B 19-Jun-24 CS-137 6.2 MW-02B 19-Jun-24 BA-LA-140 4.3 MW-02B 19-Jun-24 H-3 185 MW-02B 12-Sep-24 MN-54 3.8 MW-02B 12-Sep-24 CO-58 1.4 MW-02B 12-Sep-24 FE-59 5.3 MW-02B 12-Sep-24 CO-60 3.6 MW-02B 12-Sep-24 ZN-65 3.9 MW-02B 12-Sep-24 ZR-NB-95 2.8 MW-02B 12-Sep-24 I-131 0.311 MW-02B 12-Sep-24 CS-134 3.7 MW-02B 12-Sep-24 CS-137 5.3 MW-02B 12-Sep-24 BA-LA-140 2.9 MW-02B 12-Sep-24 H-3 180 MW-02B 24-Oct-24 MN-54 3.9 MW-02B 24-Oct-24 CO-58 2

MW-02B 24-Oct-24 FE-59 4.7 MW-02B 24-Oct-24 CO-60 1.8

2024 Annual Radioactive Effluent Release Report 52 MW-02B 24-Oct-24 ZN-65 3.9 MW-02B 24-Oct-24 ZR-NB-95 3.2 MW-02B 24-Oct-24 I-131 0.389 MW-02B 24-Oct-24 CS-134 3

MW-02B 24-Oct-24 CS-137 3.6 MW-02B 24-Oct-24 BA-LA-140 2.9 MW-02B 24-Oct-24 H-3 185 MW-03A 27-Mar-24 MN-54 1.6 Duplicate MW-03A 27-Mar-24 MN-54 1.7 MW-03A 27-Mar-24 CO-58 3.1 MW-03A 27-Mar-24 CO-58 1.3 Duplicate MW-03A 27-Mar-24 FE-59 2.8 Duplicate MW-03A 27-Mar-24 FE-59 6.5 MW-03A 27-Mar-24 CO-60 1.8 Duplicate MW-03A 27-Mar-24 CO-60 2.8 MW-03A 27-Mar-24 ZN-65 3.3 Duplicate MW-03A 27-Mar-24 ZN-65 3.7 MW-03A 27-Mar-24 ZR-NB-95 3

MW-03A 27-Mar-24 ZR-NB-95 1.9 Duplicate MW-03A 27-Mar-24 I-131 0.465 Duplicate MW-03A 27-Mar-24 I-131 0.493 MW-03A 27-Mar-24 CS-134 1.3 Duplicate MW-03A 27-Mar-24 CS-134 2.8 MW-03A 27-Mar-24 CS-137 2.8 MW-03A 27-Mar-24 CS-137 1.7 Duplicate MW-03A 27-Mar-24 BA-LA-140 3.6

2024 Annual Radioactive Effluent Release Report 53 MW-03A 27-Mar-24 BA-LA-140 2.6 Duplicate MW-03A 27-Mar-24 H-3 175 Duplicate MW-03A 27-Mar-24 H-3 175 MW-03A 19-Jun-24 MN-54 2.3 Duplicate MW-03A 19-Jun-24 MN-54 5.3 MW-03A 19-Jun-24 CO-58 3.7 Duplicate MW-03A 19-Jun-24 CO-58 5.9 MW-03A 19-Jun-24 FE-59 3.3 Duplicate MW-03A 19-Jun-24 FE-59 7.4 MW-03A 19-Jun-24 CO-60 3.3 MW-03A 19-Jun-24 CO-60 4.7 Duplicate MW-03A 19-Jun-24 ZN-65 2.5 Duplicate MW-03A 19-Jun-24 ZN-65 5.1 MW-03A 19-Jun-24 ZR-NB-95 5.6 MW-03A 19-Jun-24 ZR-NB-95 3.8 Duplicate MW-03A 19-Jun-24 I-131 0.409 MW-03A 19-Jun-24 I-131 0.433 Duplicate MW-03A 19-Jun-24 CS-134 3.4 Duplicate MW-03A 19-Jun-24 CS-134 8.7 MW-03A 19-Jun-24 CS-137 4.4 Duplicate MW-03A 19-Jun-24 CS-137 5.6 MW-03A 19-Jun-24 BA-LA-140 3.8 MW-03A 19-Jun-24 BA-LA-140 2.4 Duplicate MW-03A 19-Jun-24 H-3 185 Duplicate MW-03A 19-Jun-24 H-3 185 MW-03A 12-Sep-24 MN-54 4.4

2024 Annual Radioactive Effluent Release Report 54 MW-03A 12-Sep-24 CO-58 4.8 MW-03A 12-Sep-24 FE-59 14.4 MW-03A 12-Sep-24 CO-60 6.1 MW-03A 12-Sep-24 ZN-65 9.7 MW-03A 12-Sep-24 ZR-NB-95 5.7 MW-03A 12-Sep-24 I-131 0.29 MW-03A 12-Sep-24 CS-134 7.6 MW-03A 12-Sep-24 CS-137 7.2 MW-03A 12-Sep-24 BA-LA-140 7

MW-03A 12-Sep-24 H-3 180 MW-03A 24-Oct-24 MN-54 5.6 MW-03A 24-Oct-24 CO-58 7.3 MW-03A 24-Oct-24 FE-59 8.8 MW-03A 24-Oct-24 CO-60 6.5 MW-03A 24-Oct-24 ZN-65 7.5 MW-03A 24-Oct-24 ZR-NB-95 6.5 MW-03A 24-Oct-24 I-131 0.404 MW-03A 24-Oct-24 CS-134 5.9 MW-03A 24-Oct-24 CS-137 3.2 MW-03A 24-Oct-24 BA-LA-140 6.9 MW-03A 24-Oct-24 H-3 185 MW-03B 27-Mar-24 MN-54 2.5 MW-03B 27-Mar-24 CO-58 2.5 MW-03B 27-Mar-24 FE-59 5.3 MW-03B 27-Mar-24 CO-60 3.4 MW-03B 27-Mar-24 ZN-65 4.8

2024 Annual Radioactive Effluent Release Report 55 MW-03B 27-Mar-24 ZR-NB-95 3.1 MW-03B 27-Mar-24 I-131 0.425 MW-03B 27-Mar-24 CS-134 3

MW-03B 27-Mar-24 CS-137 3.5 MW-03B 27-Mar-24 BA-LA-140 1.9 MW-03B 27-Mar-24 H-3 175 MW-03B 19-Jun-24 MN-54 2.9 MW-03B 19-Jun-24 CO-58 3.6 MW-03B 19-Jun-24 FE-59 5.1 MW-03B 19-Jun-24 CO-60 2.6 MW-03B 19-Jun-24 ZN-65 5.9 MW-03B 19-Jun-24 ZR-NB-95 3.1 MW-03B 19-Jun-24 I-131 0.312 MW-03B 19-Jun-24 CS-134 3.1 MW-03B 19-Jun-24 CS-137 4.2 MW-03B 19-Jun-24 BA-LA-140 3.1 MW-03B 19-Jun-24 H-3 185 MW-03B 12-Sep-24 MN-54 2.8 MW-03B 12-Sep-24 CO-58 3.2 MW-03B 12-Sep-24 FE-59 5

MW-03B 12-Sep-24 CO-60 2

MW-03B 12-Sep-24 ZN-65 3.8 MW-03B 12-Sep-24 ZR-NB-95 2.8 MW-03B 12-Sep-24 I-131 0.347 MW-03B 12-Sep-24 CS-134 3.6 MW-03B 12-Sep-24 CS-137 4

2024 Annual Radioactive Effluent Release Report 56 MW-03B 12-Sep-24 BA-LA-140 3.4 MW-03B 12-Sep-24 H-3 180 MW-03B 24-Oct-24 MN-54 4.6 Duplicate MW-03B 24-Oct-24 MN-54 2

MW-03B 24-Oct-24 CO-58 1.9 Duplicate MW-03B 24-Oct-24 CO-58 3

MW-03B 24-Oct-24 FE-59 7.2 MW-03B 24-Oct-24 FE-59 5.6 Duplicate MW-03B 24-Oct-24 CO-60 4.5 Duplicate MW-03B 24-Oct-24 CO-60 2.9 MW-03B 24-Oct-24 ZN-65 5.6 Duplicate MW-03B 24-Oct-24 ZN-65 4.9 MW-03B 24-Oct-24 ZR-NB-95 3.6 Duplicate MW-03B 24-Oct-24 ZR-NB-95 3.7 MW-03B 24-Oct-24 I-131 0.474 Duplicate MW-03B 24-Oct-24 I-131 0.422 MW-03B 24-Oct-24 CS-134 4.5 Duplicate MW-03B 24-Oct-24 CS-134 3.5 MW-03B 24-Oct-24 CS-137 2.9 MW-03B 24-Oct-24 CS-137 5.5 Duplicate MW-03B 24-Oct-24 BA-LA-140 3.1 MW-03B 24-Oct-24 BA-LA-140 1.9 Duplicate MW-03B 24-Oct-24 H-3 185 Duplicate MW-03B 24-Oct-24 H-3 185 MW-03C 27-Mar-24 MN-54 4.8 MW-03C 27-Mar-24 CO-58 6

2024 Annual Radioactive Effluent Release Report 57 MW-03C 27-Mar-24 FE-59 11.2 MW-03C 27-Mar-24 CO-60 4.5 MW-03C 27-Mar-24 ZN-65 9.7 MW-03C 27-Mar-24 ZR-NB-95 3.2 MW-03C 27-Mar-24 I-131 0.492 MW-03C 27-Mar-24 CS-134 5.4 MW-03C 27-Mar-24 CS-137 3.9 MW-03C 27-Mar-24 BA-LA-140 2.9 MW-03C 27-Mar-24 H-3 175 MW-03C 19-Jun-24 MN-54 3.3 MW-03C 19-Jun-24 CO-58 2.4 MW-03C 19-Jun-24 FE-59 4.7 MW-03C 19-Jun-24 CO-60 3.1 MW-03C 19-Jun-24 ZN-65 5.6 MW-03C 19-Jun-24 ZR-NB-95 2.3 MW-03C 19-Jun-24 I-131 0.314 MW-03C 19-Jun-24 CS-134 4

MW-03C 19-Jun-24 CS-137 4.3 MW-03C 19-Jun-24 BA-LA-140 3.3 MW-03C 19-Jun-24 H-3 185 MW-03C 12-Sep-24 MN-54 3.4 MW-03C 12-Sep-24 CO-58 2.9 MW-03C 12-Sep-24 FE-59 5.5 MW-03C 12-Sep-24 CO-60 2.7 MW-03C 12-Sep-24 ZN-65 5.1 MW-03C 12-Sep-24 ZR-NB-95 2.2

2024 Annual Radioactive Effluent Release Report 58 MW-03C 12-Sep-24 I-131 0.299 MW-03C 12-Sep-24 CS-134 4.2 MW-03C 12-Sep-24 CS-137 5.3 MW-03C 12-Sep-24 BA-LA-140 3.6 MW-03C 12-Sep-24 H-3 180 MW-03C 24-Oct-24 MN-54 3.8 MW-03C 24-Oct-24 CO-58 1.6 MW-03C 24-Oct-24 FE-59 7.6 MW-03C 24-Oct-24 CO-60 3.6 MW-03C 24-Oct-24 ZN-65 5.9 MW-03C 24-Oct-24 ZR-NB-95 2.7 MW-03C 24-Oct-24 I-131 0.414 MW-03C 24-Oct-24 CS-134 4.2 MW-03C 24-Oct-24 CS-137 5

MW-03C 24-Oct-24 BA-LA-140 1.6 MW-03C 24-Oct-24 H-3 185 MW-05C 27-Mar-24 MN-54 2.4 MW-05C 27-Mar-24 CO-58 2.2 MW-05C 27-Mar-24 FE-59 6.1 MW-05C 27-Mar-24 CO-60 2.3 MW-05C 27-Mar-24 ZN-65 4.8 MW-05C 27-Mar-24 ZR-NB-95 2.7 MW-05C 27-Mar-24 I-131 0.451 MW-05C 27-Mar-24 CS-134 2.4 MW-05C 27-Mar-24 CS-137 2.3 MW-05C 27-Mar-24 BA-LA-140 2

2024 Annual Radioactive Effluent Release Report 59 MW-05C 27-Mar-24 H-3 175 MW-05C 19-Jun-24 MN-54 1.2 MW-05C 19-Jun-24 CO-58 1.1 MW-05C 19-Jun-24 FE-59 1.2 MW-05C 19-Jun-24 CO-60 1.4 MW-05C 19-Jun-24 ZN-65 1.7 MW-05C 19-Jun-24 ZR-NB-95 1.1 MW-05C 19-Jun-24 I-131 0.375 MW-05C 19-Jun-24 CS-134 1.1 MW-05C 19-Jun-24 CS-137 1.6 MW-05C 19-Jun-24 BA-LA-140 0.8 MW-05C 19-Jun-24 H-3 185 MW-05C 12-Sep-24 MN-54 3.1 MW-05C 12-Sep-24 CO-58 2.7 MW-05C 12-Sep-24 FE-59 6.3 MW-05C 12-Sep-24 CO-60 3

MW-05C 12-Sep-24 ZN-65 6.7 MW-05C 12-Sep-24 ZR-NB-95 2.1 MW-05C 12-Sep-24 I-131 0.416 MW-05C 12-Sep-24 CS-134 3.5 MW-05C 12-Sep-24 CS-137 4.4 MW-05C 12-Sep-24 BA-LA-140 2.2 MW-05C 12-Sep-24 H-3 180 MW-05C 24-Oct-24 MN-54 3.8 MW-05C 24-Oct-24 CO-58 2.3 MW-05C 24-Oct-24 FE-59 6.1

2024 Annual Radioactive Effluent Release Report 60 MW-05C 24-Oct-24 CO-60 5.5 MW-05C 24-Oct-24 ZN-65 4.6 MW-05C 24-Oct-24 ZR-NB-95 3.9 MW-05C 24-Oct-24 I-131 0.461 MW-05C 24-Oct-24 CS-134 4

MW-05C 24-Oct-24 CS-137 4.3 MW-05C 24-Oct-24 BA-LA-140 2.9 MW-05C 24-Oct-24 H-3 185 MW-11A 27-Mar-24 MN-54 5.2 MW-11A 27-Mar-24 CO-58 2.8 MW-11A 27-Mar-24 FE-59 10.9 MW-11A 27-Mar-24 CO-60 3.2 MW-11A 27-Mar-24 ZN-65 6.5 MW-11A 27-Mar-24 ZR-NB-95 3.9 MW-11A 27-Mar-24 I-131 0.476 MW-11A 27-Mar-24 CS-134 6.9 MW-11A 27-Mar-24 CS-137 3.7 MW-11A 27-Mar-24 BA-LA-140 4.1 MW-11A 27-Mar-24 H-3 175 MW-11A 19-Jun-24 MN-54 0.9 MW-11A 19-Jun-24 CO-58 0.8 MW-11A 19-Jun-24 FE-59 1.7 MW-11A 19-Jun-24 CO-60 0.8 MW-11A 19-Jun-24 ZN-65 1.6 MW-11A 19-Jun-24 ZR-NB-95 1.1 MW-11A 19-Jun-24 I-131 0.342

2024 Annual Radioactive Effluent Release Report 61 MW-11A 19-Jun-24 CS-134 0.9 MW-11A 19-Jun-24 CS-137 0.9 MW-11A 19-Jun-24 BA-LA-140 1.3 MW-11A 19-Jun-24 H-3 185 MW-11A 12-Sep-24 MN-54 1.7 MW-11A 12-Sep-24 CO-58 1.6 MW-11A 12-Sep-24 FE-59 4.6 MW-11A 12-Sep-24 CO-60 2.8 MW-11A 12-Sep-24 ZN-65 6.5 MW-11A 12-Sep-24 ZR-NB-95 1.9 MW-11A 12-Sep-24 I-131 0.426 MW-11A 12-Sep-24 CS-134 3.1 MW-11A 12-Sep-24 CS-137 3.4 MW-11A 12-Sep-24 BA-LA-140 2.6 MW-11A 12-Sep-24 H-3 180 MW-11A 24-Oct-24 MN-54 3.3 MW-11A 24-Oct-24 CO-58 2.9 MW-11A 24-Oct-24 FE-59 3

MW-11A 24-Oct-24 CO-60 2.6 MW-11A 24-Oct-24 ZN-65 7.5 MW-11A 24-Oct-24 ZR-NB-95 3.3 MW-11A 24-Oct-24 I-131 0.407 MW-11A 24-Oct-24 CS-134 2.8 MW-11A 24-Oct-24 CS-137 4

MW-11A 24-Oct-24 BA-LA-140 4.6 MW-11A 24-Oct-24 H-3 185

2024 Annual Radioactive Effluent Release Report 62 MW-11B 27-Mar-24 MN-54 1.3 MW-11B 27-Mar-24 CO-58 3.3 MW-11B 27-Mar-24 FE-59 4.9 MW-11B 27-Mar-24 CO-60 2.3 MW-11B 27-Mar-24 ZN-65 5.3 MW-11B 27-Mar-24 ZR-NB-95 3.1 MW-11B 27-Mar-24 I-131 0.426 MW-11B 27-Mar-24 CS-134 2.8 MW-11B 27-Mar-24 CS-137 3.2 MW-11B 27-Mar-24 BA-LA-140 3.1 MW-11B 27-Mar-24 H-3 175 MW-11B 19-Jun-24 MN-54 2.7 MW-11B 19-Jun-24 CO-58 2.7 MW-11B 19-Jun-24 FE-59 5.1 MW-11B 19-Jun-24 CO-60 4.5 MW-11B 19-Jun-24 ZN-65 4.3 MW-11B 19-Jun-24 ZR-NB-95 3.5 MW-11B 19-Jun-24 I-131 0.331 MW-11B 19-Jun-24 CS-134 4

MW-11B 19-Jun-24 CS-137 4.3 MW-11B 19-Jun-24 BA-LA-140 2.4 MW-11B 19-Jun-24 H-3 185 MW-11B 12-Sep-24 MN-54 2.7 MW-11B 12-Sep-24 CO-58 3.5 MW-11B 12-Sep-24 FE-59 5.1 MW-11B 12-Sep-24 CO-60 4.4

2024 Annual Radioactive Effluent Release Report 63 MW-11B 12-Sep-24 ZN-65 5.7 MW-11B 12-Sep-24 ZR-NB-95 1.9 MW-11B 12-Sep-24 I-131 0.446 MW-11B 12-Sep-24 CS-134 4.1 MW-11B 12-Sep-24 CS-137 4

MW-11B 12-Sep-24 BA-LA-140 2.2 MW-11B 12-Sep-24 H-3 180 MW-11B 24-Oct-24 MN-54 6.1 MW-11B 24-Oct-24 CO-58 3.7 MW-11B 24-Oct-24 FE-59 8.9 MW-11B 24-Oct-24 CO-60 5

MW-11B 24-Oct-24 ZN-65 11.8 MW-11B 24-Oct-24 ZR-NB-95 5.4 MW-11B 24-Oct-24 I-131 0.421 MW-11B 24-Oct-24 CS-134 8.7 MW-11B 24-Oct-24 CS-137 5.4 MW-11B 24-Oct-24 BA-LA-140 7.9 MW-11B 24-Oct-24 H-3 185 MW-12A 27-Mar-24 MN-54 1.4 MW-12A 27-Mar-24 CO-58 2.7 MW-12A 27-Mar-24 FE-59 4

MW-12A 27-Mar-24 CO-60 3

MW-12A 27-Mar-24 ZN-65 5.1 MW-12A 27-Mar-24 ZR-NB-95 3

MW-12A 27-Mar-24 I-131 0.49 MW-12A 27-Mar-24 CS-134 2.3

2024 Annual Radioactive Effluent Release Report 64 MW-12A 27-Mar-24 CS-137 2.7 MW-12A 27-Mar-24 BA-LA-140 4.7 MW-12A 27-Mar-24 H-3 209

+/-

93 MW-12A 19-Jun-24 MN-54 1.9 MW-12A 19-Jun-24 CO-58 1.8 MW-12A 19-Jun-24 FE-59 3

MW-12A 19-Jun-24 CO-60 2.2 MW-12A 19-Jun-24 ZN-65 4.5 MW-12A 19-Jun-24 ZR-NB-95 1.9 MW-12A 19-Jun-24 I-131 0.466 MW-12A 19-Jun-24 CS-134 2.1 MW-12A 19-Jun-24 CS-137 1.1 MW-12A 19-Jun-24 BA-LA-140 1.8 MW-12A 19-Jun-24 H-3 185 MW-12A 12-Sep-24 MN-54 6.5 MW-12A 12-Sep-24 CO-58 3.8 MW-12A 12-Sep-24 FE-59 5.5 MW-12A 12-Sep-24 CO-60 6

MW-12A 12-Sep-24 ZN-65 10 MW-12A 12-Sep-24 ZR-NB-95 4.1 MW-12A 12-Sep-24 I-131 0.471 MW-12A 12-Sep-24 CS-134 6.2 MW-12A 12-Sep-24 CS-137 7

MW-12A 12-Sep-24 BA-LA-140 5.7 MW-12A 12-Sep-24 H-3 180 MW-12A 24-Oct-24 MN-54 3.9

2024 Annual Radioactive Effluent Release Report 65 MW-12A 24-Oct-24 CO-58 6

MW-12A 24-Oct-24 FE-59 11.2 MW-12A 24-Oct-24 CO-60 6.8 MW-12A 24-Oct-24 ZN-65 4.2 MW-12A 24-Oct-24 ZR-NB-95 5

MW-12A 24-Oct-24 I-131 0.471 MW-12A 24-Oct-24 CS-134 6.8 MW-12A 24-Oct-24 CS-137 7.1 MW-12A 24-Oct-24 BA-LA-140 5.8 MW-12A 24-Oct-24 H-3 185 MW-12B 27-Mar-24 MN-54 1.7 MW-12B 27-Mar-24 CO-58 2.7 MW-12B 27-Mar-24 FE-59 7.6 MW-12B 27-Mar-24 CO-60 4.1 MW-12B 27-Mar-24 ZN-65 3.5 MW-12B 27-Mar-24 ZR-NB-95 3.1 MW-12B 27-Mar-24 I-131 0.484 MW-12B 27-Mar-24 CS-134 3.2 MW-12B 27-Mar-24 CS-137 4.4 MW-12B 27-Mar-24 BA-LA-140 3.8 MW-12B 27-Mar-24 H-3 175 MW-12B 19-Jun-24 MN-54 1

MW-12B 19-Jun-24 CO-58 0.9 MW-12B 19-Jun-24 FE-59 1.7 MW-12B 19-Jun-24 CO-60 0.9 MW-12B 19-Jun-24 ZN-65 2

2024 Annual Radioactive Effluent Release Report 66 MW-12B 19-Jun-24 ZR-NB-95 0.9 MW-12B 19-Jun-24 I-131 0.401 MW-12B 19-Jun-24 CS-134 0.9 MW-12B 19-Jun-24 CS-137 1

MW-12B 19-Jun-24 BA-LA-140 1

MW-12B 19-Jun-24 H-3 185 MW-12B 12-Sep-24 MN-54 2.5 MW-12B 12-Sep-24 CO-58 2.8 MW-12B 12-Sep-24 FE-59 5.1 MW-12B 12-Sep-24 CO-60 1.8 MW-12B 12-Sep-24 ZN-65 7

MW-12B 12-Sep-24 ZR-NB-95 2.8 MW-12B 12-Sep-24 I-131 0.458 MW-12B 12-Sep-24 CS-134 3

MW-12B 12-Sep-24 CS-137 2.3 MW-12B 12-Sep-24 BA-LA-140 4.6 MW-12B 12-Sep-24 H-3 180 MW-12B 24-Oct-24 MN-54 3.1 MW-12B 24-Oct-24 CO-58 1.7 MW-12B 24-Oct-24 FE-59 5

MW-12B 24-Oct-24 CO-60 3

MW-12B 24-Oct-24 ZN-65 6.2 MW-12B 24-Oct-24 ZR-NB-95 3.2 MW-12B 24-Oct-24 I-131 0.49 MW-12B 24-Oct-24 CS-134 3.8 MW-12B 24-Oct-24 CS-137 4.1

2024 Annual Radioactive Effluent Release Report 67 MW-12B 24-Oct-24 BA-LA-140 2.9 MW-12B 24-Oct-24 H-3 185 MW-13 27-Mar-24 MN-54 2.5 MW-13 27-Mar-24 CO-58 2.5 MW-13 27-Mar-24 FE-59 4.2 MW-13 27-Mar-24 CO-60 3.3 MW-13 27-Mar-24 ZN-65 5.5 MW-13 27-Mar-24 ZR-NB-95 3.1 MW-13 27-Mar-24 I-131 0.441 MW-13 27-Mar-24 CS-134 3

MW-13 27-Mar-24 CS-137 3.2 MW-13 27-Mar-24 BA-LA-140 2

MW-13 27-Mar-24 H-3 175 MW-13 19-Jun-24 MN-54 4.4 MW-13 19-Jun-24 CO-58 3.4 MW-13 19-Jun-24 FE-59 5.3 MW-13 19-Jun-24 CO-60 3.4 MW-13 19-Jun-24 ZN-65 6.6 MW-13 19-Jun-24 ZR-NB-95 4.4 MW-13 19-Jun-24 I-131 0.376 MW-13 19-Jun-24 CS-134 6.4 MW-13 19-Jun-24 CS-137 5.2 MW-13 19-Jun-24 BA-LA-140 5.4 MW-13 19-Jun-24 H-3 185 MW-13 12-Sep-24 MN-54 2.7 MW-13 12-Sep-24 CO-58 1.8

2024 Annual Radioactive Effluent Release Report 68 MW-13 12-Sep-24 FE-59 5.8 MW-13 12-Sep-24 CO-60 2.1 MW-13 12-Sep-24 ZN-65 6.2 MW-13 12-Sep-24 ZR-NB-95 2.7 MW-13 12-Sep-24 I-131 0.385 MW-13 12-Sep-24 CS-134 3.3 MW-13 12-Sep-24 CS-137 3.6 MW-13 12-Sep-24 BA-LA-140 2.9 MW-13 12-Sep-24 H-3 180 MW-13 24-Oct-24 MN-54 2.1 MW-13 24-Oct-24 CO-58 1.8 MW-13 24-Oct-24 FE-59 5.1 MW-13 24-Oct-24 CO-60 2.1 MW-13 24-Oct-24 ZN-65 4

MW-13 24-Oct-24 ZR-NB-95 4

MW-13 24-Oct-24 I-131 0.385 MW-13 24-Oct-24 CS-134 3.3 MW-13 24-Oct-24 CS-137 3.2 MW-13 24-Oct-24 BA-LA-140 3

MW-13 24-Oct-24 H-3 185 MW-14 27-Mar-24 MN-54 5.3 MW-14 27-Mar-24 CO-58 3

MW-14 27-Mar-24 FE-59 3.6 MW-14 27-Mar-24 CO-60 4.6 MW-14 27-Mar-24 ZN-65 10.1 MW-14 27-Mar-24 ZR-NB-95 2.8

2024 Annual Radioactive Effluent Release Report 69 MW-14 27-Mar-24 I-131 0.429 MW-14 27-Mar-24 CS-134 5.1 MW-14 27-Mar-24 CS-137 5.1 MW-14 27-Mar-24 BA-LA-140 6.8 MW-14 27-Mar-24 H-3 175 MW-14 19-Jun-24 MN-54 1.9 MW-14 19-Jun-24 CO-58 3

MW-14 19-Jun-24 FE-59 4.3 MW-14 19-Jun-24 CO-60 1.9 MW-14 19-Jun-24 ZN-65 5.3 MW-14 19-Jun-24 ZR-NB-95 2.9 MW-14 19-Jun-24 I-131 0.404 MW-14 19-Jun-24 CS-134 3.2 MW-14 19-Jun-24 CS-137 2.9 MW-14 19-Jun-24 BA-LA-140 3.2 MW-14 19-Jun-24 H-3 185 MW-14 12-Sep-24 MN-54 2.6 MW-14 12-Sep-24 CO-58 3.7 MW-14 12-Sep-24 FE-59 5.9 MW-14 12-Sep-24 CO-60 2

MW-14 12-Sep-24 ZN-65 6.8 MW-14 12-Sep-24 ZR-NB-95 3.5 MW-14 12-Sep-24 I-131 0.372 MW-14 12-Sep-24 CS-134 3.6 MW-14 12-Sep-24 CS-137 3

MW-14 12-Sep-24 BA-LA-140 5.3

2024 Annual Radioactive Effluent Release Report 70 MW-14 12-Sep-24 H-3 180 MW-14 24-Oct-24 MN-54 2.7 MW-14 24-Oct-24 CO-58 2.9 MW-14 24-Oct-24 FE-59 5.7 MW-14 24-Oct-24 CO-60 2.9 MW-14 24-Oct-24 ZN-65 5.5 MW-14 24-Oct-24 ZR-NB-95 2.2 MW-14 24-Oct-24 I-131 0.485 MW-14 24-Oct-24 CS-134 2.8 MW-14 24-Oct-24 CS-137 3.2 MW-14 24-Oct-24 BA-LA-140 3.7 MW-14 24-Oct-24 H-3 185 MW-15 27-Mar-24 MN-54 2.5 MW-15 27-Mar-24 CO-58 2.3 MW-15 27-Mar-24 FE-59 5

MW-15 27-Mar-24 CO-60 2.7 MW-15 27-Mar-24 ZN-65 4.6 MW-15 27-Mar-24 ZR-NB-95 3.2 MW-15 27-Mar-24 I-131 0.396 MW-15 27-Mar-24 CS-134 2.4 MW-15 27-Mar-24 CS-137 2.5 MW-15 27-Mar-24 BA-LA-140 2.1 MW-15 27-Mar-24 H-3 175 MW-15 19-Jun-24 MN-54 2.4 MW-15 19-Jun-24 CO-58 2.8 MW-15 19-Jun-24 FE-59 2.9

2024 Annual Radioactive Effluent Release Report 71 MW-15 19-Jun-24 CO-60 1.9 MW-15 19-Jun-24 ZN-65 3.9 MW-15 19-Jun-24 ZR-NB-95 2.2 MW-15 19-Jun-24 I-131 0.4 MW-15 19-Jun-24 CS-134 2.9 MW-15 19-Jun-24 CS-137 3.5 MW-15 19-Jun-24 BA-LA-140 2.8 MW-15 19-Jun-24 H-3 185 MW-15 12-Sep-24 MN-54 2.2 Duplicate MW-15 12-Sep-24 MN-54 1.6 MW-15 12-Sep-24 CO-58 2.3 MW-15 12-Sep-24 CO-58 2.1 Duplicate MW-15 12-Sep-24 FE-59 2.9 MW-15 12-Sep-24 FE-59 2.8 Duplicate MW-15 12-Sep-24 CO-60 3.4 MW-15 12-Sep-24 CO-60 1.6 Duplicate MW-15 12-Sep-24 ZN-65 4.3 MW-15 12-Sep-24 ZN-65 4

Duplicate MW-15 12-Sep-24 ZR-NB-95 2.6 MW-15 12-Sep-24 ZR-NB-95 2.5 Duplicate MW-15 12-Sep-24 I-131 0.362 Duplicate MW-15 12-Sep-24 I-131 0.369 MW-15 12-Sep-24 CS-134 2.8 MW-15 12-Sep-24 CS-134 2.1 Duplicate MW-15 12-Sep-24 CS-137 3

MW-15 12-Sep-24 CS-137 2.2 Duplicate

2024 Annual Radioactive Effluent Release Report 72 MW-15 12-Sep-24 BA-LA-140 2.3 Duplicate MW-15 12-Sep-24 BA-LA-140 1.4 MW-15 12-Sep-24 H-3 186 Duplicate MW-15 12-Sep-24 H-3 186 MW-15 24-Oct-24 MN-54 0.9 MW-15 24-Oct-24 CO-58 1.2 MW-15 24-Oct-24 FE-59 1.5 MW-15 24-Oct-24 CO-60 1

MW-15 24-Oct-24 ZN-65 2.3 MW-15 24-Oct-24 ZR-NB-95 1.5 MW-15 24-Oct-24 I-131 0.495 MW-15 24-Oct-24 CS-134 1.3 MW-15 24-Oct-24 CS-137 1.5 MW-15 24-Oct-24 BA-LA-140 1.7 MW-15 24-Oct-24 H-3 185 MW-16 27-Mar-24 MN-54 1.2 MW-16 27-Mar-24 CO-58 2.4 MW-16 27-Mar-24 FE-59 4.7 MW-16 27-Mar-24 CO-60 3.1 MW-16 27-Mar-24 ZN-65 4.1 MW-16 27-Mar-24 ZR-NB-95 2.4 MW-16 27-Mar-24 I-131 0.467 MW-16 27-Mar-24 CS-134 2.3 MW-16 27-Mar-24 CS-137 3

MW-16 27-Mar-24 BA-LA-140 4.3 MW-16 27-Mar-24 H-3 175

2024 Annual Radioactive Effluent Release Report 73 MW-16 19-Jun-24 MN-54 6.6 MW-16 19-Jun-24 CO-58 2.8 MW-16 19-Jun-24 FE-59 9.1 MW-16 19-Jun-24 CO-60 3.4 MW-16 19-Jun-24 ZN-65 8

MW-16 19-Jun-24 ZR-NB-95 4.6 MW-16 19-Jun-24 I-131 0.417 MW-16 19-Jun-24 CS-134 6.9 MW-16 19-Jun-24 CS-137 6.1 MW-16 19-Jun-24 BA-LA-140 3.2 MW-16 19-Jun-24 H-3 185 MW-16 12-Sep-24 MN-54 1.9 MW-16 12-Sep-24 CO-58 1.9 MW-16 12-Sep-24 FE-59 3.9 MW-16 12-Sep-24 CO-60 1.9 MW-16 12-Sep-24 ZN-65 5.4 MW-16 12-Sep-24 ZR-NB-95 2.3 MW-16 12-Sep-24 I-131 0.445 MW-16 12-Sep-24 CS-134 2.2 MW-16 12-Sep-24 CS-137 2.2 MW-16 12-Sep-24 BA-LA-140 2.3 MW-16 12-Sep-24 H-3 180 MW-16 24-Oct-24 MN-54 3.1 MW-16 24-Oct-24 CO-58 2.7 MW-16 24-Oct-24 FE-59 5.1 MW-16 24-Oct-24 CO-60 4.1

2024 Annual Radioactive Effluent Release Report 74 MW-16 24-Oct-24 ZN-65 5.3 MW-16 24-Oct-24 ZR-NB-95 2.6 MW-16 24-Oct-24 I-131 0.465 MW-16 24-Oct-24 CS-134 3.5 MW-16 24-Oct-24 CS-137 4.1 MW-16 24-Oct-24 BA-LA-140 1.8 MW-16 24-Oct-24 H-3 185 MW-17 27-Mar-24 MN-54 3.7 MW-17 27-Mar-24 CO-58 2.7 MW-17 27-Mar-24 FE-59 5.1 MW-17 27-Mar-24 CO-60 3.3 MW-17 27-Mar-24 ZN-65 4.6 MW-17 27-Mar-24 ZR-NB-95 4.1 MW-17 27-Mar-24 I-131 0.499 MW-17 27-Mar-24 CS-134 3

MW-17 27-Mar-24 CS-137 4

MW-17 27-Mar-24 BA-LA-140 2.1 MW-17 27-Mar-24 H-3 175 MW-17 19-Jun-24 MN-54 2.6 MW-17 19-Jun-24 CO-58 2.6 MW-17 19-Jun-24 FE-59 5.8 MW-17 19-Jun-24 CO-60 2.7 MW-17 19-Jun-24 ZN-65 5.1 MW-17 19-Jun-24 ZR-NB-95 3.4 MW-17 19-Jun-24 I-131 0.398 MW-17 19-Jun-24 CS-134 2.9

2024 Annual Radioactive Effluent Release Report 75 MW-17 19-Jun-24 CS-137 2.9 MW-17 19-Jun-24 BA-LA-140 3.3 MW-17 19-Jun-24 H-3 185 MW-17 12-Sep-24 MN-54 1.2 MW-17 12-Sep-24 CO-58 2.4 MW-17 12-Sep-24 FE-59 4.9 MW-17 12-Sep-24 CO-60 2.1 MW-17 12-Sep-24 ZN-65 3.4 MW-17 12-Sep-24 ZR-NB-95 1.9 MW-17 12-Sep-24 I-131 0.453 MW-17 12-Sep-24 CS-134 2.1 MW-17 12-Sep-24 CS-137 2.1 MW-17 12-Sep-24 BA-LA-140 2.8 MW-17 12-Sep-24 H-3 180 MW-17 24-Oct-24 MN-54 3.2 MW-17 24-Oct-24 CO-58 2.5 MW-17 24-Oct-24 FE-59 3.3 MW-17 24-Oct-24 CO-60 2.2 MW-17 24-Oct-24 ZN-65 5

MW-17 24-Oct-24 ZR-NB-95 2.8 MW-17 24-Oct-24 I-131 0.475 MW-17 24-Oct-24 CS-134 2.8 MW-17 24-Oct-24 CS-137 3.3 MW-17 24-Oct-24 BA-LA-140 2.8 MW-17 24-Oct-24 H-3 185

2024 Annual Radioactive Effluent Release Report 76 ENCLOSURES TO WCGS ANNUAL RADIOACTIVE EFFLUENT RELEASE REPORT Enclosure I contains the Offsite Dose Calculation Manual, AP 07B-003, Revision 10 Enclosure II contains the Offsite Dose Calculation Manual (Radiological Environmental Monitoring Program), AP 07B-004, Revision 23 Enclosure III contains the Solid Radwaste Process Control Program, AP 31A-100, Revision 9 Note: Since enclosures have not changed from last report, they are not being included with this transmittal.

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