ML15030A242

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Appendix a, Mass Flux Calculations
ML15030A242
Person / Time
Site: Salem  PSEG icon.png
Issue date: 09/22/2014
From:
ARCADIS U.S.
To:
Office of Nuclear Reactor Regulation, Public Service Enterprise Group
Shared Package
ML15030A230 List:
References
NP000571.2014
Download: ML15030A242 (7)


Text

Appendix A: Mass Flux Calculations Shallow, Water Bearing Unit PSEG Nuclear, LLC, Salem Generating Station, Hancocks Bridge, New Jersey

= input

= computed Mass Flux Between Wells BB AHD Hydraulic and Structural Fill Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 22 ft xsect EE' Plume or Unit Width (w) 144 ft Volumetric Flux (Q) 82.5663722 ft^3/d Q = K*i*b*w Average Concentration (C) 503 pCi/L Maximum shallow concentration Mass Flux (M) 1,176,024 pCi/d M = Q*C Riverbed Deposits Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 5 ft xsect EE' Plume or Unit Width (w) 144 ft Volumetric Flux (Q) 18.7650846 ft^3/d Q = K*i*b*w Average Concentration (C) 503 pCi/L Maximum shallow concentration Mass Flux (M) 267,278 pCi/d M = Q*C HF+RD= 1,443,302 pCi/d HF+RD= 0.0005 Ci/yr Mass Flux Between Wells AHD AGD Hydraulic and Structural Fill Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 22 ft xsect EE' Plume or Unit Width (w) 99 ft Volumetric Flux (Q) 56.7981887 ft^3/d Q = K*i*b*w Average Concentration (C) 589 pCi/L Average shallow concentration Mass Flux (M) 947,852 pCi/d M = Q*C Riverbed Deposits Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 5 ft xsect EE' Plume or Unit Width (w) 99 ft Volumetric Flux (Q) 12.9086793 ft^3/d Q = K*i*b*w Average Concentration (C) 589 pCi/L Average shallow concentration Mass Flux (M) 215,421 pCi/d M = Q*C HF+RD= 1,163,273 pCi/d HF+RD= 0.0004 Ci/yr

Appendix A: Mass Flux Calculations Shallow, Water Bearing Unit PSEG Nuclear, LLC, Salem Generating Station, Hancocks Bridge, New Jersey

= input

= computed Mass Flux Between Wells AGD Z Hydraulic and Structural Fill Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 22 ft xsect EE' Plume or Unit Width (w) 215 ft Volumetric Flux (Q) 122.8216 ft^3/d Q = K*i*b*w Average Concentration (C) 702 pCi/L Average shallow concentration Mass Flux (M) 2,441,500 pCi/d M = Q*C Riverbed Deposits Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 5 ft xsect EE' Plume or Unit Width (w) 215 ft Volumetric Flux (Q) 27.9140001 ft^3/d Q = K*i*b*w Average Concentration (C) 702 pCi/L Average shallow concentration Mass Flux (M) 554,886 pCi/d M = Q*C HF+RD= 2,996,387 pCi/d HF+RD= 0.0011 Ci/yr Mass Flux Between Wells Z Y Hydraulic and Structural Fill Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 22 ft xsect EE' Plume or Unit Width (w) 106 ft Volumetric Flux (Q) 60.632 ft^3/d Q = K*i*b*w Average Concentration (C) 728 pCi/L Maximum shallow concentration Mass Flux (M) 1,250,481 pCi/d M = Q*C Riverbed Deposits Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 5 ft xsect EE' Plume or Unit Width (w) 106 ft Volumetric Flux (Q) 13.78 ft^3/d Q = K*i*b*w Average Concentration (C) 728 pCi/L Maximum shallow concentration Mass Flux (M) 284,200 pCi/d M = Q*C HF+RD= 1,534,681 pCi/d HF+RD= 0.0006 Ci/yr

Appendix A: Mass Flux Calculations Shallow, Water Bearing Unit PSEG Nuclear, LLC, Salem Generating Station, Hancocks Bridge, New Jersey

= input

= computed Mass Flux Between Wells Y BC Hydraulic and Structural Fill Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 22 ft xsect EE' Plume or Unit Width (w) 83 ft Volumetric Flux (Q) 47.3966807 ft^3/d Q = K*i*b*w Average Concentration (C) 357 pCi/L Maximum shallow concentration Mass Flux (M) 479,138 pCi/d M = Q*C Riverbed Deposits Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 5 ft xsect EE' Plume or Unit Width (w) 83 ft Volumetric Flux (Q) 10.7719729 ft^3/d Q = K*i*b*w Average Concentration (C) 357 pCi/L Maximum shallow concentration Mass Flux (M) 108,895 pCi/d M = Q*C HF+RD= 588,034 pCi/d HF+RD= 0.0002 Ci/yr Mass Flux Between Wells BC BE Hydraulic and Structural Fill Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 22 ft xsect EE' Plume or Unit Width (w) 279 ft Volumetric Flux (Q) 159.513151 ft^3/d Q = K*i*b*w Average Concentration (C) 378 pCi/L Average shallow concentration Mass Flux (M) 1,705,133 pCi/d M = Q*C Riverbed Deposits Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 5 ft xsect EE' Plume or Unit Width (w) 279 ft Volumetric Flux (Q) 36.2529888 ft^3/d Q = K*i*b*w Average Concentration (C) 378 pCi/L Average shallow concentration Mass Flux (M) 387,530 pCi/d M = Q*C HF+RD= 2,092,664 pCi/d HF+RD= 0.0008 Ci/yr

Appendix A: Mass Flux Calculations Shallow, Water Bearing Unit PSEG Nuclear, LLC, Salem Generating Station, Hancocks Bridge, New Jersey

= input

= computed Mass Flux Between Wells BE BG Hydraulic and Structural Fill Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 22 ft xsect EE' Plume or Unit Width (w) 706 ft Volumetric Flux (Q) 403.840507 ft^3/d Q = K*i*b*w Average Concentration (C) 408 pCi/L Average shallow concentration Mass Flux (M) 4,665,680 pCi/d M = Q*C Riverbed Deposits Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 5 ft xsect EE' Plume or Unit Width (w) 706 ft Volumetric Flux (Q) 91.7819334 ft^3/d Q = K*i*b*w Average Concentration (C) 408 pCi/L Average shallow concentration Mass Flux (M) 1,060,382 pCi/d M = Q*C HF+RD= 5,726,062 pCi/d HF+RD= 0.0021 Ci/yr Mass Flux Between Wells BG BH Hydraulic and Structural Fill Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 22 ft xsect EE' Plume or Unit Width (w) 464 ft Volumetric Flux (Q) 265.499208 ft^3/d Q = K*i*b*w Average Concentration (C) 418 pCi/L Maximum shallow concentration Mass Flux (M) 3,142,566 pCi/d M = Q*C Riverbed Deposits Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 5 ft xsect EE' Plume or Unit Width (w) 464 ft Volumetric Flux (Q) 60.3407292 ft^3/d Q = K*i*b*w Average Concentration (C) 418 pCi/L Maximum shallow concentration Mass Flux (M) 714,220 pCi/d M = Q*C HF+RD= 3,856,785 pCi/d HF+RD= 0.0014 Ci/yr

Appendix A: Mass Flux Calculations Shallow, Water Bearing Unit PSEG Nuclear, LLC, Salem Generating Station, Hancocks Bridge, New Jersey

= input

= computed Mass Flux Between Wells BH BK Hydraulic and Structural Fill Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 22 ft xsect EE' Plume or Unit Width (w) 454 ft Volumetric Flux (Q) 259.92035 ft^3/d Q = K*i*b*w Average Concentration (C) 233 pCi/L Maximum shallow concentration Mass Flux (M) 1,714,909 pCi/d M = Q*C Riverbed Deposits Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 5 ft xsect EE' Plume or Unit Width (w) 454 ft Volumetric Flux (Q) 59.0728068 ft^3/d Q = K*i*b*w Average Concentration (C) 233 pCi/L Maximum shallow concentration Mass Flux (M) 389,752 pCi/d M = Q*C HF+RD= 2,104,661 pCi/d HF+RD= 0.0008 Ci/yr Mass Flux Between Wells BK BL Hydraulic and Structural Fill Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 22 ft xsect EE' Plume or Unit Width (w) 366 ft Volumetric Flux (Q) 209.249609 ft^3/d Q = K*i*b*w Average Concentration (C) 233 pCi/L Maximum shallow concentration Mass Flux (M) 1,380,592 pCi/d M = Q*C Riverbed Deposits Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 5 ft xsect EE' Plume or Unit Width (w) 366 ft Volumetric Flux (Q) 47.5567293 ft^3/d Q = K*i*b*w Average Concentration (C) 233 pCi/L Maximum shallow concentration Mass Flux (M) 313,771 pCi/d M = Q*C HF+RD= 1,694,363 pCi/d HF+RD= 0.0006 Ci/yr

Appendix A: Mass Flux Calculations Shallow, Water Bearing Unit PSEG Nuclear, LLC, Salem Generating Station, Hancocks Bridge, New Jersey

= input

= computed Mass Flux Between Wells BL BO Hydraulic and Structural Fill Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 22 ft xsect EE' Plume or Unit Width (w) 647 ft Volumetric Flux (Q) 369.834605 ft^3/d Q = K*i*b*w Average Concentration (C) 329 pCi/L Maximum shallow concentration Mass Flux (M) 3,448,960 pCi/d M = Q*C Riverbed Deposits Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 5 ft xsect EE' Plume or Unit Width (w) 647 ft Volumetric Flux (Q) 84.0533194 ft^3/d Q = K*i*b*w Average Concentration (C) 329 pCi/L Maximum shallow concentration Mass Flux (M) 783,854 pCi/d M = Q*C HF+RD= 4,232,814 pCi/d HF+RD= 0.0015 Ci/yr Mass Flux Between Wells BO BP Hydraulic and Structural Fill Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 22 ft xsect EE' Plume or Unit Width (w) 463 ft Volumetric Flux (Q) 264.614149 ft^3/d Q = K*i*b*w Average Concentration (C) 329 pCi/L Maximum shallow concentration Mass Flux (M) 2,465,210 pCi/d M = Q*C Riverbed Deposits Source Average Hydraulic Conductivity (K) 6.5 ft/d Groundwater Flow Model Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 5 ft xsect EE' Plume or Unit Width (w) 463 ft Volumetric Flux (Q) 60.1395793 ft^3/d Q = K*i*b*w Average Concentration (C) 329 pCi/L Maximum shallow concentration Mass Flux (M) 560,275 pCi/d M = Q*C HF+RD= 3,025,484 pCi/d HF+RD= 0.0011 Ci/yr Total Shallow Water Bearing Unit = 0.0111 Ci/yr

Mass Flux Calculations Deeper Groundwater PSEG Nuclear, LLC, Salem Generating Station, Hancocks Bridge, New Jersey

= input

= computed Mass Flux Between Wells P AAV Basal Sand Source Average Hydraulic Conductivity (K) 5 ft/d Dames & Moore May 23, 1974 Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 18 ft xsect EE' Plume or Unit Width (w) 519 ft based on P and AAV well locations Volumetric Flux (Q) 187.02 ft^3/d Q = K*i*b*w Average Concentration (C) 7,753 pCi/L Maximum concentration Mass Flux (M) 41,055,267 pCi/d M = Q*C Vincentown Formation Source Average Hydraulic Conductivity (K) 11.34 ft/d Estimated from the 2013 Well AAV specific capacity test (ARCADIS 2014)

Average Hydraulic Gradient (i) 0.0051 ft/ft Estimated from the 2013 mean hydraulic gradient study (ARCADIS 2014)

Average Saturated Thickness (b) 20 ft xsect EE' and Appendix B, upper third of full thickness Plume or Unit Width (w) 519 ft based on P and AAV well locations Volumetric Flux (Q) 600.89 ft^3/d Q = K*i*b*w Average Concentration (C) 7,753 pCi/L Maximum concentration Mass Flux (M) 131,910,573 pCi/d M = Q*C KW + Vin = 172,965,840 pCi/d KW + Vin = 0.0631 Ci/yr Mass Flux Between Wells AAV L Basal Sand Source Average Hydraulic Conductivity (K) 5 ft/d Dames & Moore May 23, 1974 Average Hydraulic Gradient (i) 0.004 ft/ft Estimated from Remedial Investigation Report (ARCADIS 2004a) Appendix B (not specific for this unit)

Average Saturated Thickness (b) 18 ft xsect EE' Plume or Unit Width (w) 442 ft based on AAV and L well locations Volumetric Flux (Q) 159.003079 ft^3/d Q = K*i*b*w Average Concentration (C) 7,753 pCi/L Maximum concentration Mass Flux (M) 34,905,366 pCi/d M = Q*C Vincentown Formation Source Average Hydraulic Conductivity (K) 11.34 ft/d Estimated from the 2013 Well AAV specific capacity test (ARCADIS 2014)

Average Hydraulic Gradient (i) 0.0051 ft/ft Estimated from the 2013 mean hydraulic gradient study (ARCADIS 2014)

Average Saturated Thickness (b) 20 ft xsect EE' and Appendix B, upper third of full thickness Plume or Unit Width (w) 442 ft based on AAV and L well locations Volumetric Flux (Q) 510.876894 ft^3/d Q = K*i*b*w Average Concentration (C) 7,753 pCi/L Maximum concentration Mass Flux (M) 112,150,941 pCi/d M = Q*C KW + Vin = 147,056,308 pCi/d KW + Vin = 0.0537 Ci/yr Total Deeper Groundwater= 0.117 Ci/yr TOTAL MASS FLUX = 0.128 Ci/yr