L-2020-047, Correction to the 2018 Annual Radioactive Effluent Release Report

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Correction to the 2018 Annual Radioactive Effluent Release Report
ML20111A124
Person / Time
Site: Saint Lucie  
Issue date: 04/20/2020
From: Godes W
Florida Power & Light Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
L-2020-047
Download: ML20111A124 (28)
v • d • e


Text

Florida Power & Light Company 6501 S. Ocean Drive, Jensen Beach, FL 34957 April 20, 2020 L-2020-047 10 CFR 50.36a U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 Re: St. Lucie Units 1 and 2 Docket Nos. 50-335 and 50-389 Correction to the 2018 Annual Radioactive Effluent Release Report

Reference:

1. FPL letter L-2019-038 dated February 28, 2019:

2018 Annual Radioactive Effluent Release Report By letter dated February 28, 2019 (Reference 1, L-2019-038), Florida Power & Light submitted the 2018 Annual Radioactive Effluent Release Report for St. Lucie Units 1 and 2 pursuant to 10 CFR 50.36a(a)(2) and Technical Specification (TS) 6.9.1.7. The 2018 report provided information for the 12-month period beginning January 1, 2018 and ending December 31, 2018.

L-2019-038, Enclosure 1, Table 3.1, Gaseous Effluents and Liquid Effluents, included a data entry error that was subsequently carried forward into additional tabulated totals. The 2018 third quarter summation of releases was conservatively reported higher than actual for Iodines and Halogens and for Particulates. The enclosure of this letter provides the corrected Table 3.1.

Please contact me at 772-467-7435 with any questions regarding this submittal.

Sincerely, Wyatt Godes Licensing Manager St. Lucie Plant WG/rcs Enclosure

L-2020-047 Enclosure Page 2 ENCLOSURE 1 Corrected Table 3.1, Gaseous Effluents and Liquid Effluents (26 Pages)

L-2019-038, 2018 Annual Radioactive Effluent Release Report for St. Lucie Units 1 and 2,, Table 3.1, Gaseous Effluents and Liquid Effluents, Page 2 included a data entry error that was subsequently carried forward into additional tabulated totals. This enclosure supersedes L-2019-038, Table 3.1, in its entirety.

Wednesday, March 18, 2020 9:05:30PM Florida Power & Light St. Lucie Power Plant Unit: Site Starting: 1-Jan-2018 Ending: 31-Dec-2018 Reg. Guide 1.21, Table 5A and 5B - Liquid and Gas Batch Release Summary 2nd Quarter 3rd Quarter 1st Quarter 4th Quarter Year Totals Units A. Liquid Batch Release Totals

1. Number of Batch Releases 26 21 24 10 81
2. Total duration of batch releases 1.96E+04 3.75E+04 1.76E+04 7.60E+03 8.23E+04 min
3. Maximum batch release duration 2.06E+03 1.01E+04 8.92E+02 8.77E+02 1.01E+04 min
4. Average batch release duration 7.53E+02 1.78E+03 7.35E+02 7.60E+02 1.02E+03 min
5. Minimum batch release duration 4.85E+02 5.17E+02 5.30E+02 5.95E+02 4.85E+02 min 2nd Quarter 3rd Quarter 1st Quarter 4th Quarter Year Totals Units B. Gas Batch Release Totals
1. Number of Batch Releases 58 50 68 47 223
2. Total duration of batch releases 5.28E+04 2.22E+04 8.15E+04 1.05E+04 1.67E+05 min
3. Maximum batch release duration 1.44E+04 8.64E+03 3.63E+04 5.05E+02 3.63E+04 min
4. Average batch release duration 9.11E+02 4.43E+02 1.20E+03 2.23E+02 7.49E+02 min
5. Minimum batch release duration 1.70E+01 3.20E+01 3.00E+00 1.60E+01 3.00E+00 min User: Admin

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Wednesday, March 18, 2020 9:07:13PM Florida Power & Light St. Lucie Power Plant Unit: Site Starting: 1-Jan-2018 Ending: 31-Dec-2018 Reg. Guide 1.21, Table 6A and 6B - Liquid and Gas Abnormal Release Summary 2nd Quarter 3rd Quarter 1st Quarter 4th Quarter Year Totals Units A. Liquid Abnormal Release Totals

1. Number of Abnormal Releases 0

0 0

0 0

2. Total Activity of abnormal releases 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci 2nd Quarter 3rd Quarter 1st Quarter 4th Quarter Year Totals Units B. Gas Abnormal Release Totals
1. Number of Abnormal Releases 0

1 0

0 1

2. Total Activity of abnormal releases 0.00E+00 8.01E-03 0.00E+00 0.00E+00 8.01E-03 Ci User: Admin

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Page 1 of 1 Wednesday, March 18, 2020 9:08:43PM Florida Power & Light St. Lucie Power Plant Reg. Guide 1.21, Table 1A, Gaseous Effluents - Summation of All Releases Unit: Site Starting: 1-Jan-2018 Ending: 31-Dec-2018 Total Release Units 1ST Quarter 2ND Quarter 3RD Quarter 4TH Quarter Annual Uncertainty A. Fission and Activation Gases 1.40E+01 Ci

1. Total Release 1.78E+00 3.35E+00 3.52E-01 1.95E+01
2. Average Release Rate for Period 1.80E+00 uCi/s 2.26E-01 4.22E-01 4.42E-02 6.18E-01
3. Percent of Limit B. Iodines and Halogens 8.36E-05 Ci
1. Total Release 3.57E-05 8.76E-05 8.76E-06 2.16E-04
2. Average Release Rate for Period 1.08E-05 uCi/s 4.54E-06 1.10E-05 1.10E-06 6.84E-06
3. Percent of Limit C. Particulates 2.40E-06 Ci
1. Total Release 2.96E-04 9.25E-04 6.55E-05 1.29E-03
2. Average Release Rate for Period 3.09E-07 uCi/s 3.76E-05 1.16E-04 8.24E-06 4.09E-05
3. Percent of Limit D. Tritium 3.94E+01 Ci
1. Total Release 2.01E-01 6.42E+00 4.59E-01 4.64E+01
2. Average Release Rate for Period 5.06E+00 uCi/s 2.55E-02 8.08E-01 5.78E-02 1.47E+00
3. Percent of Limit E. Gross Alpha 0.00E+00 Ci
1. Total Release 0.00E+00 0.00E+00 5.64E-09 5.64E-09 F. Carbon-14 5.04E+00 Ci
1. Total Release 5.38E+00 4.59E+00 5.47E+00 2.05E+01
2. Average Release Rate for Period 6.48E-01 uCi/s 6.84E-01 5.77E-01 6.89E-01 6.49E-01
3. Percent of Limit User: Admin

[Server]: PSLSA137 [Database]: NEPSOEMP

Page 1 of 4 Wednesday, March 18, 2020 9:09:53PM Florida Power & Light St. Lucie Power Plant Reg. Guide 1.21, Table 1B, Gaseous Effluents - Ground Level Release - Continuous Mode Unit: Site Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Continuous Mode Ar-41 0.00E+00 1.29E+00 0.00E+00 0.00E+00 1.29E+00 Ci Kr-85m 0.00E+00 0.00E+00 1.33E-01 0.00E+00 1.33E-01 Ci Kr-87 9.80E-03 0.00E+00 0.00E+00 0.00E+00 9.80E-03 Ci Xe-131m 9.12E-02 0.00E+00 0.00E+00 0.00E+00 9.12E-02 Ci Xe-133 1.29E+00 0.00E+00 0.00E+00 0.00E+00 1.29E+00 Ci Xe-137 3.80E-01 0.00E+00 0.00E+00 0.00E+00 3.80E-01 Ci 1.29E+00 1.33E-01 0.00E+00 3.20E+00 Total For Period 1.77E+00 Ci A. Fission and Activation Gases I-131 1.34E-05 1.71E-06 3.10E-05 0.00E+00 4.60E-05 Ci I-133 4.19E-05 3.40E-05 5.65E-05 8.76E-06 1.41E-04 Ci 3.57E-05 8.75E-05 8.76E-06 1.87E-04 Total For Period 5.52E-05 Ci B. Iodines and Halogens Co-58 0.00E+00 0.00E+00 1.68E-07 0.00E+00 1.68E-07 Ci Sr-90 0.00E+00 0.00E+00 8.43E-04 0.00E+00 8.43E-04 Ci Mo-99 0.00E+00 0.00E+00 2.53E-06 0.00E+00 2.53E-06 Ci 0.00E+00 8.45E-04 0.00E+00 8.45E-04 Total For Period 0.00E+00 Ci C. Particulates H-3 3.14E+01 0.00E+00 3.30E+00 0.00E+00 3.47E+01 Ci D. Tritium If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

User: Admin

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Florida Power & Light, St. Lucie Power Plant 3/18/2020 21:09 Page 2 of 4 Reg. Guide 1.21, Table 1B, Gaseous Effluents - Ground Level Release - Continuous Mode Unit: Site Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Continuous Mode G-Alpha 0.00E+00 0.00E+00 0.00E+00 5.64E-09 5.64E-09 Ci E. Gross Alpha C-14 5.04E+00 5.38E+00 4.59E+00 5.47E+00 2.05E+01 Ci F. Carbon-14 If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

User: Admin

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Florida Power & Light, St. Lucie Power Plant 3/18/2020 21:09 Page 3 of 4 Reg. Guide 1.21, Table 1B, Gaseous Effluents - Ground Level Release - Batch Mode Unit: Site Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Batch Mode Ar-41 3.68E+00 3.95E-01 2.13E+00 3.15E-01 6.52E+00 Ci Kr-85m 0.00E+00 2.20E-04 6.52E-05 5.45E-05 3.40E-04 Ci Kr-85 6.78E+00 0.00E+00 0.00E+00 0.00E+00 6.78E+00 Ci Kr-87 0.00E+00 1.35E-04 1.56E-04 0.00E+00 2.90E-04 Ci Kr-88 1.42E-04 7.59E-05 1.36E-04 0.00E+00 3.54E-04 Ci Kr-89 0.00E+00 0.00E+00 0.00E+00 1.56E-02 1.56E-02 Ci Xe-127 2.55E-03 0.00E+00 7.39E-06 0.00E+00 2.55E-03 Ci Xe-131m 0.00E+00 4.14E-05 1.44E-03 0.00E+00 1.48E-03 Ci Xe-135 8.96E-02 8.90E-03 5.31E-03 6.25E-04 1.04E-01 Ci Xe-133m 0.00E+00 1.16E-03 2.69E-03 0.00E+00 3.85E-03 Ci Xe-133 1.66E+00 8.37E-02 1.08E+00 2.02E-02 2.85E+00 Ci Xe-135m 0.00E+00 0.00E+00 1.33E-04 0.00E+00 1.33E-04 Ci 4.90E-01 3.22E+00 3.52E-01 1.63E+01 Total For Period 1.22E+01 Ci A. Fission and Activation Gases I-131 1.78E-07 0.00E+00 1.20E-07 0.00E+00 2.98E-07 Ci I-132 2.82E-05 0.00E+00 0.00E+00 0.00E+00 2.82E-05 Ci 0.00E+00 1.20E-07 0.00E+00 2.85E-05 Total For Period 2.84E-05 Ci B. Iodines and Halogens C. Particulates If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

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Florida Power & Light, St. Lucie Power Plant 3/18/2020 21:09 Page 4 of 4 Reg. Guide 1.21, Table 1B, Gaseous Effluents - Ground Level Release - Batch Mode Unit: Site Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Batch Mode Co-58 1.74E-07 1.29E-04 0.00E+00 0.00E+00 1.30E-04 Ci Co-60 9.25E-07 1.66E-04 4.70E-05 0.00E+00 2.14E-04 Ci Zr-95 5.14E-07 0.00E+00 0.00E+00 0.00E+00 5.14E-07 Ci Nb-95 7.91E-07 0.00E+00 4.55E-08 0.00E+00 8.36E-07 Ci Mo-99 0.00E+00 0.00E+00 2.34E-07 0.00E+00 2.34E-07 Ci Tc-99m 0.00E+00 0.00E+00 7.60E-08 0.00E+00 7.60E-08 Ci Cs-137 0.00E+00 0.00E+00 0.00E+00 6.55E-05 6.55E-05 Ci Ce-141 0.00E+00 0.00E+00 3.23E-05 0.00E+00 3.23E-05 Ci 2.96E-04 7.96E-05 6.55E-05 4.44E-04 Total For Period 2.40E-06 Ci H-3 7.94E+00 2.01E-01 3.13E+00 4.59E-01 1.17E+01 Ci D. Tritium No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci E. Gross Alpha No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci F. Carbon-14 If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

User: Admin

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Page 1 of 1 Wednesday, March 18, 2020 9:10:53PM Florida Power & Light St. Lucie Power Plant Reg. Guide 1.21, Table 1A, Gaseous Effluents - Summation of All Releases Unit: PSL1 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Total Release Units 1ST Quarter 2ND Quarter 3RD Quarter 4TH Quarter Annual Uncertainty A. Fission and Activation Gases 1.31E+01 Ci

1. Total Release 1.48E+00 4.97E-01 1.54E-01 1.53E+01
2. Average Release Rate for Period 1.69E+00 uCi/s 1.88E-01 6.25E-02 1.93E-02 4.85E-01
3. Percent of Limit B. Iodines and Halogens 8.34E-05 Ci
1. Total Release 3.57E-05 2.34E-06 8.76E-06 1.30E-04
2. Average Release Rate for Period 1.07E-05 uCi/s 4.54E-06 2.95E-07 1.10E-06 4.13E-06
3. Percent of Limit C. Particulates 2.40E-06 Ci
1. Total Release 1.71E-04 8.43E-04 6.55E-05 1.08E-03
2. Average Release Rate for Period 3.09E-07 uCi/s 2.18E-05 1.06E-04 8.24E-06 3.43E-05
3. Percent of Limit D. Tritium 7.81E+00 Ci
1. Total Release 1.03E-01 5.99E-01 3.06E-01 8.82E+00
2. Average Release Rate for Period 1.00E+00 uCi/s 1.31E-02 7.53E-02 3.85E-02 2.80E-01
3. Percent of Limit E. Gross Alpha 0.00E+00 Ci
1. Total Release 0.00E+00 0.00E+00 5.64E-09 5.64E-09 F. Carbon-14 2.20E+00 Ci
1. Total Release 2.51E+00 2.92E+00 2.86E+00 1.05E+01
2. Average Release Rate for Period 2.83E-01 uCi/s 3.19E-01 3.68E-01 3.59E-01 3.33E-01
3. Percent of Limit User: Admin

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Page 1 of 3 Wednesday, March 18, 2020 9:11:46PM Florida Power & Light St. Lucie Power Plant Reg. Guide 1.21, Table 1B, Gaseous Effluents - Ground Level Release - Continuous Mode Unit: PSL1 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Continuous Mode Ar-41 0.00E+00 1.29E+00 0.00E+00 0.00E+00 1.29E+00 Ci Kr-85m 0.00E+00 0.00E+00 1.33E-01 0.00E+00 1.33E-01 Ci Xe-133 1.18E+00 0.00E+00 0.00E+00 0.00E+00 1.18E+00 Ci 1.29E+00 1.33E-01 0.00E+00 2.60E+00 Total For Period 1.18E+00 Ci A. Fission and Activation Gases I-131 1.33E-05 1.71E-06 2.34E-06 0.00E+00 1.74E-05 Ci I-133 4.17E-05 3.40E-05 0.00E+00 8.76E-06 8.44E-05 Ci 3.57E-05 2.34E-06 8.76E-06 1.02E-04 Total For Period 5.50E-05 Ci B. Iodines and Halogens Sr-90 0.00E+00 0.00E+00 8.43E-04 0.00E+00 8.43E-04 Ci C. Particulates No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci D. Tritium G-Alpha 0.00E+00 0.00E+00 0.00E+00 5.64E-09 5.64E-09 Ci E. Gross Alpha C-14 2.20E+00 2.51E+00 2.92E+00 2.86E+00 1.05E+01 Ci F. Carbon-14 If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

User: Admin

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Florida Power & Light, St. Lucie Power Plant 3/18/2020 21:11 Page 2 of 3 Reg. Guide 1.21, Table 1B, Gaseous Effluents - Ground Level Release - Batch Mode Unit: PSL1 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Batch Mode Ar-41 3.46E+00 1.44E-01 1.75E-01 1.35E-01 3.91E+00 Ci Kr-85m 0.00E+00 1.96E-04 6.52E-05 0.00E+00 2.61E-04 Ci Kr-85 6.78E+00 0.00E+00 0.00E+00 0.00E+00 6.78E+00 Ci Kr-88 1.42E-04 6.15E-05 1.36E-04 0.00E+00 3.39E-04 Ci Kr-89 0.00E+00 0.00E+00 0.00E+00 1.56E-02 1.56E-02 Ci Xe-127 2.55E-03 0.00E+00 7.39E-06 0.00E+00 2.55E-03 Ci Xe-131m 0.00E+00 0.00E+00 1.44E-03 0.00E+00 1.44E-03 Ci Xe-135 8.90E-02 7.46E-03 4.90E-03 0.00E+00 1.01E-01 Ci Xe-133m 0.00E+00 1.04E-03 2.51E-03 0.00E+00 3.55E-03 Ci Xe-133 1.63E+00 4.03E-02 1.79E-01 3.00E-03 1.86E+00 Ci Xe-135m 0.00E+00 0.00E+00 1.33E-04 0.00E+00 1.33E-04 Ci 1.93E-01 3.64E-01 1.54E-01 1.27E+01 Total For Period 1.20E+01 Ci A. Fission and Activation Gases I-131 1.78E-07 0.00E+00 0.00E+00 0.00E+00 1.78E-07 Ci I-132 2.82E-05 0.00E+00 0.00E+00 0.00E+00 2.82E-05 Ci 0.00E+00 0.00E+00 0.00E+00 2.84E-05 Total For Period 2.84E-05 Ci B. Iodines and Halogens Co-58 1.74E-07 1.29E-04 0.00E+00 0.00E+00 1.30E-04 Ci Co-60 9.25E-07 4.18E-05 0.00E+00 0.00E+00 4.28E-05 Ci Zr-95 5.14E-07 0.00E+00 0.00E+00 0.00E+00 5.14E-07 Ci Nb-95 7.91E-07 0.00E+00 0.00E+00 0.00E+00 7.91E-07 Ci Cs-137 0.00E+00 0.00E+00 0.00E+00 6.55E-05 6.55E-05 Ci 1.71E-04 0.00E+00 6.55E-05 2.39E-04 Total For Period 2.40E-06 Ci C. Particulates If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

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Florida Power & Light, St. Lucie Power Plant 3/18/2020 21:11 Page 3 of 3 Reg. Guide 1.21, Table 1B, Gaseous Effluents - Ground Level Release - Batch Mode Unit: PSL1 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Batch Mode H-3 7.81E+00 1.03E-01 5.99E-01 3.06E-01 8.82E+00 Ci D. Tritium No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci E. Gross Alpha No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci F. Carbon-14 If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

User: Admin

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Page 1 of 1 Wednesday, March 18, 2020 9:13:34PM Florida Power & Light St. Lucie Power Plant Reg. Guide 1.21, Table 1A, Gaseous Effluents - Summation of All Releases Unit: PSL2 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Total Release Units 1ST Quarter 2ND Quarter 3RD Quarter 4TH Quarter Annual Uncertainty A. Fission and Activation Gases 8.46E-01 Ci

1. Total Release 2.97E-01 2.86E+00 1.98E-01 4.20E+00
2. Average Release Rate for Period 1.09E-01 uCi/s 3.77E-02 3.60E-01 2.49E-02 1.33E-01
3. Percent of Limit B. Iodines and Halogens 2.35E-07 Ci
1. Total Release 0.00E+00 8.53E-05 0.00E+00 8.55E-05
2. Average Release Rate for Period 3.02E-08 uCi/s 0.00E+00 1.07E-05 0.00E+00 2.71E-06
3. Percent of Limit C. Particulates 0.00E+00 Ci
1. Total Release 1.25E-04 8.23E-05 0.00E+00 2.07E-04
2. Average Release Rate for Period 0.00E+00 uCi/s 1.59E-05 1.04E-05 0.00E+00 6.56E-06
3. Percent of Limit D. Tritium 3.15E+01 Ci
1. Total Release 9.74E-02 5.82E+00 1.53E-01 3.76E+01
2. Average Release Rate for Period 4.06E+00 uCi/s 1.24E-02 7.33E-01 1.92E-02 1.19E+00
3. Percent of Limit E. Gross Alpha 0.00E+00 Ci
1. Total Release 0.00E+00 0.00E+00 0.00E+00 0.00E+00 F. Carbon-14 2.84E+00 Ci
1. Total Release 2.87E+00 1.66E+00 2.62E+00 9.99E+00
2. Average Release Rate for Period 3.65E-01 uCi/s 3.65E-01 2.09E-01 3.29E-01 3.17E-01
3. Percent of Limit User: Admin

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Page 1 of 4 Wednesday, March 18, 2020 9:14:30PM Florida Power & Light St. Lucie Power Plant Reg. Guide 1.21, Table 1B, Gaseous Effluents - Ground Level Release - Continuous Mode Unit: PSL2 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Continuous Mode Kr-87 9.80E-03 0.00E+00 0.00E+00 0.00E+00 9.80E-03 Ci Xe-131m 9.12E-02 0.00E+00 0.00E+00 0.00E+00 9.12E-02 Ci Xe-137 3.80E-01 0.00E+00 0.00E+00 0.00E+00 3.80E-01 Ci Xe-133 1.11E-01 0.00E+00 0.00E+00 0.00E+00 1.11E-01 Ci 0.00E+00 0.00E+00 0.00E+00 5.92E-01 Total For Period 5.92E-01 Ci A. Fission and Activation Gases I-131 1.24E-08 0.00E+00 2.86E-05 0.00E+00 2.86E-05 Ci I-133 2.22E-07 0.00E+00 5.65E-05 0.00E+00 5.68E-05 Ci 0.00E+00 8.52E-05 0.00E+00 8.54E-05 Total For Period 2.35E-07 Ci B. Iodines and Halogens Co-58 0.00E+00 0.00E+00 1.68E-07 0.00E+00 1.68E-07 Ci Mo-99 0.00E+00 0.00E+00 2.53E-06 0.00E+00 2.53E-06 Ci 0.00E+00 2.70E-06 0.00E+00 2.70E-06 Total For Period 0.00E+00 Ci C. Particulates H-3 3.14E+01 0.00E+00 3.30E+00 0.00E+00 3.47E+01 Ci D. Tritium No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci E. Gross Alpha If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

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Florida Power & Light, St. Lucie Power Plant 3/18/2020 21:14 Page 2 of 4 Reg. Guide 1.21, Table 1B, Gaseous Effluents - Ground Level Release - Continuous Mode Unit: PSL2 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Continuous Mode C-14 2.84E+00 2.87E+00 1.66E+00 2.62E+00 9.99E+00 Ci F. Carbon-14 If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

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Florida Power & Light, St. Lucie Power Plant 3/18/2020 21:14 Page 3 of 4 Reg. Guide 1.21, Table 1B, Gaseous Effluents - Ground Level Release - Batch Mode Unit: PSL2 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Batch Mode Ar-41 2.24E-01 2.52E-01 1.95E+00 1.80E-01 2.61E+00 Ci Kr-85m 0.00E+00 2.48E-05 0.00E+00 5.45E-05 7.93E-05 Ci Kr-87 0.00E+00 1.35E-04 1.56E-04 0.00E+00 2.90E-04 Ci Kr-88 0.00E+00 1.44E-05 0.00E+00 0.00E+00 1.44E-05 Ci Xe-131m 0.00E+00 4.14E-05 0.00E+00 0.00E+00 4.14E-05 Ci Xe-133m 0.00E+00 1.25E-04 1.76E-04 0.00E+00 3.00E-04 Ci Xe-135 6.14E-04 1.43E-03 4.08E-04 6.25E-04 3.08E-03 Ci Xe-133 3.03E-02 4.34E-02 9.02E-01 1.72E-02 9.93E-01 Ci 2.97E-01 2.86E+00 1.98E-01 3.61E+00 Total For Period 2.55E-01 Ci A. Fission and Activation Gases I-131 0.00E+00 0.00E+00 1.20E-07 0.00E+00 1.20E-07 Ci B. Iodines and Halogens Co-60 0.00E+00 1.25E-04 4.70E-05 0.00E+00 1.72E-04 Ci Nb-95 0.00E+00 0.00E+00 4.55E-08 0.00E+00 4.55E-08 Ci Mo-99 0.00E+00 0.00E+00 2.34E-07 0.00E+00 2.34E-07 Ci Tc-99m 0.00E+00 0.00E+00 7.60E-08 0.00E+00 7.60E-08 Ci Ce-141 0.00E+00 0.00E+00 3.23E-05 0.00E+00 3.23E-05 Ci 1.25E-04 7.96E-05 0.00E+00 2.04E-04 Total For Period 0.00E+00 Ci C. Particulates H-3 1.29E-01 9.74E-02 2.53E+00 1.53E-01 2.91E+00 Ci D. Tritium If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

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Florida Power & Light, St. Lucie Power Plant 3/18/2020 21:14 Page 4 of 4 Reg. Guide 1.21, Table 1B, Gaseous Effluents - Ground Level Release - Batch Mode Unit: PSL2 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Batch Mode No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci E. Gross Alpha No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci F. Carbon-14 If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

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Page 1 of 1 Wednesday, March 18, 2020 9:15:27PM Florida Power & Light St. Lucie Power Plant Reg. Guide 1.21, Table 2A, Liquid Effluents - Summation of All Releases Unit: Site Starting: 1-Jan-2018 Ending: 31-Dec-2018 Total Release Units 1ST Quarter 2ND Quarter 3RD Quarter 4TH Quarter Annual Uncertainty A. Fission and Activation Products 1.05E-02 Ci

1. Total Release 1.64E-02 3.18E-02 5.59E-03 6.43E-02
2. Average Concentration 1.61E-10 uCi/mL 2.19E-10 5.70E-10 2.24E-10 2.91E-10
3. Percent of Limit B. Tritium 4.34E+02 Ci
1. Total Release 2.18E+02 2.08E+02 5.42E+01 9.14E+02
2. Average Concentration 6.63E-06 uCi/mL 2.92E-06 3.73E-06 2.17E-06 4.14E-06
3. Percent of Limit C. Dissolved and Entrained Gases 9.54E-03 Ci
1. Total Release 1.21E-04 3.14E-03 1.52E-04 1.29E-02
2. Average Concentration 1.46E-10 uCi/mL 1.61E-12 5.62E-11 6.09E-12 5.86E-11
3. Percent of Limit D. Gross Alpha Activity 0.00E+00 Ci
1. Total Release 0.00E+00 0.00E+00 0.00E+00 0.00E+00
2. Average Concentration 0.00E+00 uCi/mL 0.00E+00 0.00E+00 0.00E+00 0.00E+00 E. Primary Liquid Release Volume 2.40E+06 Liters
1. Total Release 8.37E+07 2.40E+06 1.05E+06 8.96E+07 F. Dilution Volume 6.54E+10 Liters
1. Total Release 7.48E+10 5.58E+10 2.50E+10 2.21E+11 User: Admin

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Page 1 of 1 Wednesday, March 18, 2020 9:16:11PM Florida Power & Light St. Lucie Power Plant Reg. Guide 1.21, Table 2A, Liquid Effluents - Summation of All Releases Unit: PSL1 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Total Release Units 1ST Quarter 2ND Quarter 3RD Quarter 4TH Quarter Annual Uncertainty A. Fission and Activation Products 5.27E-03 Ci

1. Total Release 8.19E-03 1.59E-02 2.80E-03 3.21E-02
2. Average Concentration 1.61E-10 uCi/mL 2.19E-10 5.70E-10 2.24E-10 2.91E-10
3. Percent of Limit B. Tritium 2.17E+02 Ci
1. Total Release 1.09E+02 1.04E+02 2.71E+01 4.57E+02
2. Average Concentration 6.63E-06 uCi/mL 2.92E-06 3.73E-06 2.17E-06 4.14E-06
3. Percent of Limit C. Dissolved and Entrained Gases 4.77E-03 Ci
1. Total Release 6.03E-05 1.57E-03 7.61E-05 6.47E-03
2. Average Concentration 1.46E-10 uCi/mL 1.61E-12 5.62E-11 6.09E-12 5.86E-11
3. Percent of Limit D. Gross Alpha Activity 0.00E+00 Ci
1. Total Release 0.00E+00 0.00E+00 0.00E+00 0.00E+00
2. Average Concentration 0.00E+00 uCi/mL 0.00E+00 0.00E+00 0.00E+00 0.00E+00 E. Primary Liquid Release Volume 1.20E+06 Liters
1. Total Release 4.19E+07 1.20E+06 5.27E+05 4.48E+07 F. Dilution Volume 3.27E+10 Liters
1. Total Release 3.74E+10 2.79E+10 1.25E+10 1.11E+11 User: Admin

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Page 1 of 1 Wednesday, March 18, 2020 9:16:48PM Florida Power & Light St. Lucie Power Plant Reg. Guide 1.21, Table 2A, Liquid Effluents - Summation of All Releases Unit: PSL2 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Total Release Units 1ST Quarter 2ND Quarter 3RD Quarter 4TH Quarter Annual Uncertainty A. Fission and Activation Products 5.27E-03 Ci

1. Total Release 8.19E-03 1.59E-02 2.80E-03 3.21E-02
2. Average Concentration 1.61E-10 uCi/mL 2.19E-10 5.70E-10 2.24E-10 2.91E-10
3. Percent of Limit B. Tritium 2.17E+02 Ci
1. Total Release 1.09E+02 1.04E+02 2.71E+01 4.57E+02
2. Average Concentration 6.63E-06 uCi/mL 2.92E-06 3.73E-06 2.17E-06 4.14E-06
3. Percent of Limit C. Dissolved and Entrained Gases 4.77E-03 Ci
1. Total Release 6.03E-05 1.57E-03 7.61E-05 6.47E-03
2. Average Concentration 1.46E-10 uCi/mL 1.61E-12 5.62E-11 6.09E-12 5.86E-11
3. Percent of Limit D. Gross Alpha Activity 0.00E+00 Ci
1. Total Release 0.00E+00 0.00E+00 0.00E+00 0.00E+00
2. Average Concentration 0.00E+00 uCi/mL 0.00E+00 0.00E+00 0.00E+00 0.00E+00 E. Primary Liquid Release Volume 1.20E+06 Liters
1. Total Release 4.19E+07 1.20E+06 5.27E+05 4.48E+07 F. Dilution Volume 3.27E+10 Liters
1. Total Release 3.74E+10 2.79E+10 1.25E+10 1.11E+11 User: Admin

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Page 1 of 3 Wednesday, March 18, 2020 9:17:34PM Florida Power & Light St. Lucie Power Plant Reg. Guide 1.21, Table 2B, Liquid Effluents - Continuous Mode Unit: Site Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Continuous Mode No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci A. Fission and Activation Products No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci B. Tritium No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci C. Dissolved and Entrained Gases No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci D. Gross Alpha Activity If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

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Florida Power & Light, St. Lucie Power Plant 3/18/2020 21:17 Page 2 of 3 Reg. Guide 1.21, Table 2B, Liquid Effluents - Batch Mode Unit: Site Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Batch Mode C-14 0.00E+00 1.73E-03 3.65E-03 7.28E-04 6.10E-03 Ci Na-24 0.00E+00 4.20E-05 0.00E+00 0.00E+00 4.20E-05 Ci Be-7 0.00E+00 0.00E+00 0.00E+00 4.75E-05 4.75E-05 Ci Cr-51 2.34E-04 5.04E-05 2.67E-03 1.18E-03 4.13E-03 Ci Mn-54 7.22E-05 5.34E-05 6.32E-04 7.18E-05 8.29E-04 Ci Fe-55 0.00E+00 5.63E-03 3.62E-03 0.00E+00 9.25E-03 Ci Fe-59 3.48E-05 0.00E+00 1.79E-04 3.18E-05 2.46E-04 Ci Co-57 0.00E+00 0.00E+00 1.16E-05 2.17E-06 1.38E-05 Ci Co-58 5.34E-04 6.20E-04 7.48E-03 4.74E-04 9.11E-03 Ci Co-60 1.95E-03 1.30E-03 6.36E-03 9.38E-04 1.05E-02 Ci Ni-63 0.00E+00 0.00E+00 2.85E-03 4.52E-04 3.31E-03 Ci Ni-65 0.00E+00 0.00E+00 2.03E-05 0.00E+00 2.03E-05 Ci Zn-65 1.90E-05 0.00E+00 1.37E-04 0.00E+00 1.56E-04 Ci Sr-91 0.00E+00 0.00E+00 8.25E-06 0.00E+00 8.25E-06 Ci Y-92 0.00E+00 7.46E-05 0.00E+00 0.00E+00 7.46E-05 Ci Zr-95 9.33E-05 2.91E-05 3.50E-04 2.10E-04 6.82E-04 Ci Nb-95 1.57E-04 7.88E-05 6.14E-04 3.65E-04 1.21E-03 Ci Nb-97 3.74E-03 1.31E-03 7.93E-04 4.41E-04 6.28E-03 Ci Tc-99m 0.00E+00 0.00E+00 0.00E+00 2.85E-06 2.85E-06 Ci Ag-110m 2.91E-03 9.24E-04 6.94E-04 3.77E-04 4.91E-03 Ci Sn-113 0.00E+00 0.00E+00 2.71E-05 0.00E+00 2.71E-05 Ci Sn-117m 0.00E+00 6.61E-06 0.00E+00 0.00E+00 6.61E-06 Ci Sb-124 4.30E-05 1.83E-03 2.91E-04 1.31E-05 2.18E-03 Ci Sb-125 4.66E-04 2.09E-03 8.96E-04 8.91E-05 3.54E-03 Ci Te-123m 4.89E-05 2.19E-04 1.52E-04 1.21E-04 5.41E-04 Ci Te-129m 0.00E+00 3.70E-04 9.51E-05 0.00E+00 4.65E-04 Ci A. Fission and Activation Products If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

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Florida Power & Light, St. Lucie Power Plant 3/18/2020 21:17 Page 3 of 3 Reg. Guide 1.21, Table 2B, Liquid Effluents - Batch Mode Unit: Site Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Batch Mode Te-132 1.02E-04 0.00E+00 1.78E-05 0.00E+00 1.20E-04 Ci I-132 8.91E-05 0.00E+00 1.09E-05 0.00E+00 9.99E-05 Ci I-133 0.00E+00 0.00E+00 9.36E-06 0.00E+00 9.36E-06 Ci I-134 0.00E+00 0.00E+00 4.14E-06 4.80E-06 8.94E-06 Ci I-135 1.03E-05 0.00E+00 0.00E+00 0.00E+00 1.03E-05 Ci Cs-136 0.00E+00 5.38E-06 0.00E+00 0.00E+00 5.38E-06 Ci Cs-137 2.32E-05 1.45E-05 0.00E+00 3.98E-06 4.17E-05 Ci Ba-140 0.00E+00 0.00E+00 8.91E-05 0.00E+00 8.91E-05 Ci La-140 1.35E-05 2.38E-06 1.19E-04 0.00E+00 1.35E-04 Ci Ce-141 0.00E+00 0.00E+00 0.00E+00 3.71E-06 3.71E-06 Ci W-187 0.00E+00 0.00E+00 0.00E+00 3.53E-05 3.53E-05 Ci 1.64E-02 3.18E-02 5.59E-03 6.43E-02 Total For Period 1.05E-02 Ci H-3 4.34E+02 2.18E+02 2.08E+02 5.42E+01 9.14E+02 Ci B. Tritium Kr-85m 0.00E+00 3.88E-06 0.00E+00 0.00E+00 3.88E-06 Ci Xe-135 8.11E-06 0.00E+00 0.00E+00 0.00E+00 8.11E-06 Ci Xe-133m 8.73E-05 0.00E+00 0.00E+00 0.00E+00 8.73E-05 Ci Xe-133 9.44E-03 1.17E-04 3.14E-03 1.52E-04 1.28E-02 Ci 1.21E-04 3.14E-03 1.52E-04 1.29E-02 Total For Period 9.54E-03 Ci C. Dissolved and Entrained Gases No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci D. Gross Alpha Activity If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

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Florida Power & Light, St. Lucie Power Plant 3/18/2020 21:18 Page 2 of 3 Reg. Guide 1.21, Table 2B, Liquid Effluents - Batch Mode Unit: PSL1 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Batch Mode C-14 0.00E+00 8.63E-04 1.82E-03 3.64E-04 3.05E-03 Ci Na-24 0.00E+00 2.10E-05 0.00E+00 0.00E+00 2.10E-05 Ci Be-7 0.00E+00 0.00E+00 0.00E+00 2.38E-05 2.38E-05 Ci Cr-51 1.17E-04 2.52E-05 1.33E-03 5.91E-04 2.07E-03 Ci Mn-54 3.61E-05 2.67E-05 3.16E-04 3.59E-05 4.15E-04 Ci Fe-55 0.00E+00 2.82E-03 1.81E-03 0.00E+00 4.63E-03 Ci Fe-59 1.74E-05 0.00E+00 8.95E-05 1.59E-05 1.23E-04 Ci Co-57 0.00E+00 0.00E+00 5.81E-06 1.08E-06 6.90E-06 Ci Co-58 2.67E-04 3.10E-04 3.74E-03 2.37E-04 4.56E-03 Ci Co-60 9.74E-04 6.49E-04 3.18E-03 4.69E-04 5.27E-03 Ci Ni-63 0.00E+00 0.00E+00 1.43E-03 2.26E-04 1.65E-03 Ci Ni-65 0.00E+00 0.00E+00 1.01E-05 0.00E+00 1.01E-05 Ci Zn-65 9.49E-06 0.00E+00 6.84E-05 0.00E+00 7.79E-05 Ci Sr-91 0.00E+00 0.00E+00 4.13E-06 0.00E+00 4.13E-06 Ci Y-92 0.00E+00 3.73E-05 0.00E+00 0.00E+00 3.73E-05 Ci Zr-95 4.67E-05 1.45E-05 1.75E-04 1.05E-04 3.41E-04 Ci Nb-95 7.85E-05 3.94E-05 3.07E-04 1.82E-04 6.07E-04 Ci Nb-97 1.87E-03 6.56E-04 3.97E-04 2.20E-04 3.14E-03 Ci Tc-99m 0.00E+00 0.00E+00 0.00E+00 1.43E-06 1.43E-06 Ci Ag-110m 1.46E-03 4.62E-04 3.47E-04 1.88E-04 2.45E-03 Ci Sn-113 0.00E+00 0.00E+00 1.36E-05 0.00E+00 1.36E-05 Ci Sn-117m 0.00E+00 3.31E-06 0.00E+00 0.00E+00 3.31E-06 Ci Sb-124 2.15E-05 9.16E-04 1.45E-04 6.54E-06 1.09E-03 Ci Sb-125 2.33E-04 1.04E-03 4.48E-04 4.45E-05 1.77E-03 Ci Te-123m 2.44E-05 1.10E-04 7.59E-05 6.04E-05 2.70E-04 Ci Te-129m 0.00E+00 1.85E-04 4.76E-05 0.00E+00 2.33E-04 Ci A. Fission and Activation Products If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

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Florida Power & Light, St. Lucie Power Plant 3/18/2020 21:18 Page 3 of 3 Reg. Guide 1.21, Table 2B, Liquid Effluents - Batch Mode Unit: PSL1 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Batch Mode Te-132 5.11E-05 0.00E+00 8.90E-06 0.00E+00 6.00E-05 Ci I-132 4.45E-05 0.00E+00 5.44E-06 0.00E+00 5.00E-05 Ci I-133 0.00E+00 0.00E+00 4.68E-06 0.00E+00 4.68E-06 Ci I-134 0.00E+00 0.00E+00 2.07E-06 2.40E-06 4.47E-06 Ci I-135 5.17E-06 0.00E+00 0.00E+00 0.00E+00 5.17E-06 Ci Cs-136 0.00E+00 2.69E-06 0.00E+00 0.00E+00 2.69E-06 Ci Cs-137 1.16E-05 7.26E-06 0.00E+00 1.99E-06 2.08E-05 Ci Ba-140 0.00E+00 0.00E+00 4.45E-05 0.00E+00 4.45E-05 Ci La-140 6.75E-06 1.19E-06 5.95E-05 0.00E+00 6.74E-05 Ci Ce-141 0.00E+00 0.00E+00 0.00E+00 1.86E-06 1.86E-06 Ci W-187 0.00E+00 0.00E+00 0.00E+00 1.76E-05 1.76E-05 Ci 8.19E-03 1.59E-02 2.80E-03 3.21E-02 Total For Period 5.27E-03 Ci H-3 2.17E+02 1.09E+02 1.04E+02 2.71E+01 4.57E+02 Ci B. Tritium Kr-85m 0.00E+00 1.94E-06 0.00E+00 0.00E+00 1.94E-06 Ci Xe-135 4.06E-06 0.00E+00 0.00E+00 0.00E+00 4.06E-06 Ci Xe-133m 4.37E-05 0.00E+00 0.00E+00 0.00E+00 4.37E-05 Ci Xe-133 4.72E-03 5.84E-05 1.57E-03 7.61E-05 6.42E-03 Ci 6.03E-05 1.57E-03 7.61E-05 6.47E-03 Total For Period 4.77E-03 Ci C. Dissolved and Entrained Gases No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci D. Gross Alpha Activity If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

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Florida Power & Light, St. Lucie Power Plant 3/18/2020 21:18 Page 2 of 3 Reg. Guide 1.21, Table 2B, Liquid Effluents - Batch Mode Unit: PSL2 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Batch Mode C-14 0.00E+00 8.63E-04 1.82E-03 3.64E-04 3.05E-03 Ci Na-24 0.00E+00 2.10E-05 0.00E+00 0.00E+00 2.10E-05 Ci Be-7 0.00E+00 0.00E+00 0.00E+00 2.38E-05 2.38E-05 Ci Cr-51 1.17E-04 2.52E-05 1.33E-03 5.91E-04 2.07E-03 Ci Mn-54 3.61E-05 2.67E-05 3.16E-04 3.59E-05 4.15E-04 Ci Fe-55 0.00E+00 2.82E-03 1.81E-03 0.00E+00 4.63E-03 Ci Fe-59 1.74E-05 0.00E+00 8.95E-05 1.59E-05 1.23E-04 Ci Co-57 0.00E+00 0.00E+00 5.81E-06 1.08E-06 6.90E-06 Ci Co-58 2.67E-04 3.10E-04 3.74E-03 2.37E-04 4.56E-03 Ci Co-60 9.74E-04 6.49E-04 3.18E-03 4.69E-04 5.27E-03 Ci Ni-63 0.00E+00 0.00E+00 1.43E-03 2.26E-04 1.65E-03 Ci Ni-65 0.00E+00 0.00E+00 1.01E-05 0.00E+00 1.01E-05 Ci Zn-65 9.49E-06 0.00E+00 6.84E-05 0.00E+00 7.79E-05 Ci Sr-91 0.00E+00 0.00E+00 4.13E-06 0.00E+00 4.13E-06 Ci Y-92 0.00E+00 3.73E-05 0.00E+00 0.00E+00 3.73E-05 Ci Zr-95 4.67E-05 1.45E-05 1.75E-04 1.05E-04 3.41E-04 Ci Nb-95 7.85E-05 3.94E-05 3.07E-04 1.82E-04 6.07E-04 Ci Nb-97 1.87E-03 6.56E-04 3.97E-04 2.20E-04 3.14E-03 Ci Tc-99m 0.00E+00 0.00E+00 0.00E+00 1.43E-06 1.43E-06 Ci Ag-110m 1.46E-03 4.62E-04 3.47E-04 1.88E-04 2.45E-03 Ci Sn-113 0.00E+00 0.00E+00 1.36E-05 0.00E+00 1.36E-05 Ci Sn-117m 0.00E+00 3.31E-06 0.00E+00 0.00E+00 3.31E-06 Ci Sb-124 2.15E-05 9.16E-04 1.45E-04 6.54E-06 1.09E-03 Ci Sb-125 2.33E-04 1.04E-03 4.48E-04 4.45E-05 1.77E-03 Ci Te-123m 2.44E-05 1.10E-04 7.59E-05 6.04E-05 2.70E-04 Ci Te-129m 0.00E+00 1.85E-04 4.76E-05 0.00E+00 2.33E-04 Ci A. Fission and Activation Products If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

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Florida Power & Light, St. Lucie Power Plant 3/18/2020 21:18 Page 3 of 3 Reg. Guide 1.21, Table 2B, Liquid Effluents - Batch Mode Unit: PSL2 Starting: 1-Jan-2018 Ending: 31-Dec-2018 Nuclides Released 1ST Quarter 2ND Quarter Units 3RD Quarter 4TH Quarter Annual Batch Mode Te-132 5.11E-05 0.00E+00 8.90E-06 0.00E+00 6.00E-05 Ci I-132 4.45E-05 0.00E+00 5.44E-06 0.00E+00 5.00E-05 Ci I-133 0.00E+00 0.00E+00 4.68E-06 0.00E+00 4.68E-06 Ci I-134 0.00E+00 0.00E+00 2.07E-06 2.40E-06 4.47E-06 Ci I-135 5.17E-06 0.00E+00 0.00E+00 0.00E+00 5.17E-06 Ci Cs-136 0.00E+00 2.69E-06 0.00E+00 0.00E+00 2.69E-06 Ci Cs-137 1.16E-05 7.26E-06 0.00E+00 1.99E-06 2.08E-05 Ci Ba-140 0.00E+00 0.00E+00 4.45E-05 0.00E+00 4.45E-05 Ci La-140 6.75E-06 1.19E-06 5.95E-05 0.00E+00 6.74E-05 Ci Ce-141 0.00E+00 0.00E+00 0.00E+00 1.86E-06 1.86E-06 Ci W-187 0.00E+00 0.00E+00 0.00E+00 1.76E-05 1.76E-05 Ci 8.19E-03 1.59E-02 2.80E-03 3.21E-02 Total For Period 5.27E-03 Ci H-3 2.17E+02 1.09E+02 1.04E+02 2.71E+01 4.57E+02 Ci B. Tritium Kr-85m 0.00E+00 1.94E-06 0.00E+00 0.00E+00 1.94E-06 Ci Xe-133m 4.37E-05 0.00E+00 0.00E+00 0.00E+00 4.37E-05 Ci Xe-135 4.06E-06 0.00E+00 0.00E+00 0.00E+00 4.06E-06 Ci Xe-133 4.72E-03 5.84E-05 1.57E-03 7.61E-05 6.42E-03 Ci 6.03E-05 1.57E-03 7.61E-05 6.47E-03 Total For Period 4.77E-03 Ci C. Dissolved and Entrained Gases No Nuclides Found 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Ci D. Gross Alpha Activity If Not Detected, Nuclide is Not Reported. Zeroes in this table indicates that no radioactivity was present at detectable levels.

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