ML090500263

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IPEC Water Mass Balance and Dose Calculation from Groundwater and Storm Water
ML090500263
Person / Time
Site: Indian Point  Entergy icon.png
Issue date: 11/22/2005
From:
- No Known Affiliation
To:
NRC Region 1
References
Download: ML090500263 (13)
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Text

IPEC Water Mass Balance and Dose Calculation from Groundwater and Storm Water Purpose and Scope:

The purpose of this calculation is to provide a bounding estimate of the amount of radioactivity being transported to the Hudson River via previously undocumented groundwater and storm water pathways. There are other monitored pathways, such as the North Curtain Drain and the Sphere Foundation Drain Sump of Unit 1 that are sampled and directed to the Discharge Canal. These Unit 1 releases have been discharged as described in the Offsite Dose Calculation Manual and they are included in the Regulatory Guide 1.21 Effluents Report.

As such, the Unit 1 releases are not included in this IPEC Water Mass Balance Calculation.

The water mass balance methodology is used as a conservative interim measure until sufficient data becomes available from the existing and planned monitoring wells. This current water mass balance methodology is not the complete site conceptual model that describes the groundwater flows. The site conceptual model is under development, and it will be completed after sufficient groundwater elevation and flow data are obtained..

Methodology

Description:

The basic methodology for this dose calculation is based on an overall mass balance driven by precipitation.

The hydrology portion of this calculation was performed by IPEC's consultant, Matthew Barvenik, of GZA GeoEnvironmental, Inc. IPEC concurs with this methodology. This '"watershed analysis" partitions the precipitation falling on the watershed catchment area (i.e., that portion of the Facility area where the surface topography is sloped towards the river) into water that infiltrates the ground to become groundwater (GW),

water that flows off the surface as storm water (SW) and that water which directly moves back into the atmosphere via evapotranspiration and other processes. See Figure 1, "IPEC Groundwater and Storm Drain Conceptual Drawing". This method of analysis is based on well established hydrologic principles and the parameter selection we've employed is heavily biased towards larger flows and higher H3 concentrations. As such, we believe that this analysis is significantly conservative, resulting in estimates of H 3 moving to the river (both directly and via the Discharge Canal) that will likely be proven to be substantially higher than actually exist with the acquisition of additional data.

Over the entire watershed catchment area of 3.2 million ft2, the GW and SW has been segmented relative to the 3

areas of the Facility through which it flows (primarily established based on H concentrations in the various .

.Facility areas. See Figure 2, "Indian Point Site Overview" depicting groundwater areas and storm water zones.

Overall, the partitioning was established as follows for infiltration areas contributing to GW flow (does not include paved or building areas):

GROUNDWATER AREAS:

  • AREA 1. The northwestern most area where GW appears to move directly to the river, but passes to the north of the Unit 2 Turbine Building Road (area of 0.25 million ft2). This GW is unlikely to contain appreciable H3 concentrations based on the data available to date and the lack of likely H3 sources;
  • AREA 2. The area where the GW appears to move through Unit 2 facilities (area of 0.57 million ft2);
  • AREA 3. The area where the GW appears to move through Unit 1/3 facilities (area of 1.7 million ft2);
  • AREA 4. The southwestern most area where GW appears to move directly to the river, but passes to the south of the Unit 3 Turbine Building Road (area of 0.67 million ft2). This GW is unlikely to contain appreciable H3 concentrations based on the data available to date and the lack of likely H3 sources.

Page 1

IPEC Water Mass Balance and Dose Calculation from Groundwater and Storm Water SW flow from paved areas and building roof areas has also been partitioned into various zones within the above Facility GW areas as follows:

STORM WATER AREAS:

  • ZONE A. The eastern most parking lots which likely drain along flow paths where the SW is unlikely

'- .- to contain H3, and storm drain exfiltration into the GW flow zone is also unlikely to pick up H 3 (area of 0.35 million ft2);.

  • ZONE B. Within the Unit 2 Facility, the eastern and western zones where SW appears to discharge to the river, but does not pass through the Unit 2 Transformer Yard (area of 0.21 million ft2); .

ZONE C. Within the Unit 2 Facility, the middle zone where SW flows to the Discharge Canal, and does pass through the Unit 2 Transformer Yard (area of 0.15 million ft2);

2

  • ZONE D. Within the Unit 1 Facility where SW flows to the Discharge Canal (area of 0.13 million ft );

and

  • ZONE E. Within the.Un'it 3 Facility where SW flows to the Discharge Canal (area of 0.75 million ft2).
  • A portion of the SW has been assumed to leak out of storm drains and thus increases the GW flow to the river as
  • follows:

- ZONE A. Storm drain exfiltration =0% - set to 0% because exfiltration from pipes in this zone are unlikely to contribute flow to GW which contains H3 and the SW itself is unlikely to contain H3;

. ZONE B. Storm drain exfiltration =0% - set to 0% because exfiltration from pipes in this zone are unlikely to contribute flow to GW which contains H3 and the SW itself is unlikely to contain H3;

  • ZONE C. Storm drain exfiltration =25% - set to a relatively high value to result in higher than anticipated GW flow through the Unit 2 Transformer Yard which contains the highest H3 GW values, so as to be conservative;
  • ZONE D. Storm drain exfiltration -50%; set very high given current knowledge of these drains; and
  • ZONE E.. Storm drain exfiltration =10%; set to a nominal value given current lack of specific data and limited impact on overall H3 flux due to low H3 concentrations.

H3 concentrations have been established using 2005 data, and Strontium-90 has been included for groundwater flow Area 2.

  • GW flow AREA 1. [H3] = 0 pCi/L given lack of likely H3 source areas and flow path which appears not to flow through areas exhibiting H3 concentrations in the GW ;
  • GW flow AREA 2. [H3] = 200,000 pCi/L which represents an upper bound average of the concentrations found in the Unit 2 Transformer, Yard (it is expected that the pending Phase I and II data will prove this assumed value for H3 in the GW moving to the river through the Unit 2 area to be substantially higher than actually exists);
  • GW flow AREA 3. [H3] = 620 pCi/L which represents an upper average of the concentrations found in the Unit 1 and 3 Facility areas;
  • GW flow AREA 4. [H3] = 0 pCi/L given lack of likely H3 source areas and flow path which appears not to flow through areas exhibiting H3 concentrations in the GW;
  • SW flow ZONE A. [H3] = 0 pCi/L given that exfiltration from pipes in this zone are unlikely to contribute flow to GW which contains H3 and the SW itself is unlikely to cohtain H3;
  • SW flow ZONE B. [H3] = 651 pCi/L given measured storm drain concentrations;
  • SW flow ZONE C. [H3] = 2,900 pCi/L given measured storm drain concentrations;
  • SW flow ZONE D. [H3] = 1,560 pCi/L given measured storm drain.concentrations; and
  • SW flow ZONE E. [H3] = 1,560 pCi/L given measured storm drain concentrations.

Page 2

IPEC Water Mass Balance and Dose Calculation from Groundwater and Storm Water The infiltration rate in non-paved/building areas was established at 0.46 feet/year based on the USGS report:

Water Use, Groundwater Recharge and Availability, and Quality in the Greenwich Area, Fairfield County, CT and Westchester County, NY, 2000 - 2002. The precipitation rate for the area was set at 3.74 feet/year based on onsite meteorological data.

Based on the above analysis, it is estimated that approximately 1.36 Ci/year of H 3 migrates directly to the river via the GW flow path. It is also estimated that less than 0.02 Ci/year flows directly to the river via SW. It is further estimated that approximately 0.16 Ci/year flows to the river with SW via the Discharge Canal.

It is noted that the H 3 concentrations adopted herein'are expected to represent values which are significantly greater than those which actually exist given the conservatism exercised during parameter selection. An example of the conservatism employed in these calculations includes:

H3 concentrations selected for the various GW and SW flows are likely to be higher values than actually exist. It is believed that these values will be proven to be significantly too high with the acquisition of additional Phase I and II data. This is particularly true for the 200,000 pCi/L adopted for the Unit 2 Transformer Area;

  • The areas contributing GW flow through various IPEC Facilities was biased toward placing more flow through the Unit 2 Transformer Yard where the highest H3 concentrations were used;
  • All GW flow has been assumed to discharge directly to the river. Some of this GW flow must infiltrate the Discharge Canal thus reducing the apportionment to the river;
  • All storm drain pipe leakage has been assumed to be exfiltration which will increase GW flow values.

However, current data in the Unit 2 Transformer Yard indicates that significant GW infiltrates the storm drain during rainfall events, thus flowing to the Discharge Canal via SW rather than directly to the river as GW. In addition, it is noted that SW H3 concentrations were typically obtained during non-storm events and thus represent the high end of H 3 values associated with low flow conditions. However, these

  • high H3 concentrations, were then applied to the much higher storm flows where much lower H3 values should exist;
  • All precipitation falling on paved/building areas was assumed to result in SW flow. Some of this water.

actually evaporates directly to atmosphere from pavement and buildings; and The very large value of GW flow extracted from the GW system via the Unit 1 curtain and footing drains has not been subtracted from the GW flows adopted in the analysis.

Results:

The results of the calculations are shown in Table 1, and they show that the annual dose from the groundwater and storm water pathways due to tritium is 0.000013 millirem per year to the whole body (less than 0.1 percent, of the 3 millirem per year liquid pathway limit). If Sr-90 is included in the calculation, the dose to the critical organ (bone) is 0.00075 millirem per year, which is less than 0.1 percent of the 10 millirem per year critical organ limit. The total tritium activity calculated to be released via this pathway is 1.6 Curies, which is less than 0.1 percent of the liquid tritium releases via other pathways.

There are seven tables attached, including one summary table, three tables of doses from storm water pathways; two tables of doses from groundwater pathways, and an additional groundwater dose table including Sr-90.

Figure 3 shows precipitation data for the Indian Point site.

Page 3

IPEC Water Mass Balance and Dose Calculation from Groundwater and Storm Water Figure 1 IPEC Ground Water and Storm Drain Conceptual Drawing Evaporation

--- ground ---

Hudson River Page 4

Figure 2.. Indian Point Site Overview I,,T

- ByLayer

~1 I

"* hS NN

'i ý\N' ml Page 5

IPEC Water Mass Balance and Dose Calculation from Groundwater and Storm Water Table 1.

Total IPEC Summary for Ground Water releases in 2005 (H-3 and Sr-90)

Sum of two monitoring well calculations, 1P2 and IP3, Areas 2 and 3 Doses, in mrem ISOTOPEELUGI-LLI IBONE LIVER TOTBODY I THYROID I KIDNEY 1 u H-3 IO.OOE+00 I 135E-051 1.35E-05 1 1.35E-05 I 1.35E-05. I1.35E-05 I .-35E-05 11.21E0 Storm Drain Water from Zone B, East/West Unit 2, near MH-2, going to river directly Doses, in mrem ISOTOPE I

. .BONE

-3 .... LIVER ITOT BODY THYROID I KIDNEY I LUNG-

. ...... . . ..II1...........

74. .E

. . 0..7I....0

... I...................

I ................

I 1.GI-LLI

... uCi H-3 Storm Drain Water from Zones C and D/E (Central U2 & U1/U3) to Discharge Canal Doses, in mrem

[ISOTOPE I jBONE, ILIVER TOT BODY ITHYROID KIDKNEY 1LUNG GJ-LLI I uCiH3 H-I O.OOE+O 12.89E-081L 2.89E-08 I 2.89E-08 I2.89E-08 I 2.89E-08 I 2.8~9E-08 I1 .62E+05 Total mirem IO.OQE+OOI 1.37E-051 1.37E705I 1.37E-051~ 1.37E-05I 1.37E-051 J1.37E-051 Total Curies I 1.39E+00O Unit 2 Ground Water (MW) pathway with-Sr-90 added (Area 2)

Doses, in mrem ISOTOPE BONE LIVER TOTI BDY THYROID KIDNEY LUNG GI-LLI Total aCi H-3 O.OOE+0 1.34E-05 1.34E-05 1.34E-05 1.34E-05 1.34E-05 1.34E-05 1.189E+06 Sr-90 7.48E-04 O.QOE+OQ 1.83E-04 O.OOE+OO O.OOE+OO O.OOE+OQ 2.1 5E-05~ 2.98E+0i1 Total 7.48E-04 >1.34E-05 1.97E-04. 1.34E-05~ 1.34E-05 1.34E-05~ 3.49E-05 '1.19E+061 Page.6

IPEC Water Mass Balance and Dose Calculation from Groundwater and Storm Water Table 2 Storm Drain Zone B (MH-2 East & West Unit 2) to the Hudson River directly, 2005 Release Rate 6.54E+07, ml/day or 1.73E+04 gpd or 1.20E+0i gpm Duration of Release, in days 365 Waste vol released = 6.31 E+06 gal Dilution flow I 1.11E+05;/, gpm Diltution vol released = 5.83E+10 gal Dil Factor 1.08E-04 (dilution data per IP-CHM-05-042 from Dr. John Hamawi)

Aciiy 1DCFR20 PRE POST POST 'MICRO-~

'ISOTOPE K 'Released WEC*1 DILUTION DILUTION DILUTION, CURIES K K uCilmI bonc limit CONG/MPG LuCmifh CONG/MPG, RELEASED H-3 6.51 E-07 1.OOE-02 6.51 E-05 7.04E-1 1 7.04E-09 1.55E+04 MN-54 3.OOE-04 0.OOE+00 0.O0E+00 O.OOE+00 O.OOE+00 FE-55  : 1.OOE-03 O.OOE+00 +.OOE+0O O.OQE+00 O.OOE+00 CO-58 2.00E-04 0.OOE+00 0O0E+00 O.OOE+00 O.OOE+00 CO-60 3.OOE-05 0.O0E+00 0.OOE+00 0.OOE+00 0.OOE+00 NI-63 1.OOE-03 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 SR-90 5.OOE-06 O.OOE+00 0.OOE+00 0.OOE+00 0.00E+00 SB-125 3.OOE-04' 0.O0E+00 0.OOE+00 0.OOE+00 0.00E+00 CS-134 9.OOE-06 0.0OE+00 O.0OE+00 0.0OE+00 O.OOE+00 CS-137 1.OOE-05 0.OOE+00 O.OOE+O 0.001E+00 O.OE+00 CO-57 __________ 6.00E-04 0.0OE+00 O.OOE+00 0.OOE+00 O.OOE+00 TOTAIL 6.51 &-07 1 nla 6.51 E-051 7.04E-1 1 7.04E;09 1.55,E+04 NUREG 0133 "Applicable Factor" for Near Field Dilution = 1,.OOE+O0 I Adult Total Body mrem _

ISOTOPE BONE K <LIVER , .TOT. BODY. THYROID KIDNEY LUNG , Gl-L~LI H-3 0.OOE+O0 1.74E-07 1.74E-07 1.74E-07 1.74E-07 1.74E-07 1.74E-07 MN-54 O.OOE+00 0.OOE+00 ' 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 0.OOE+00 FE-55 0.OOE+00 0.OOE+00 0.OOE+00 .00E+00 0.OOE+00 0.00E+00 0.OOE+00 CO-58 0.OOE+00 0.O0E+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 CO-60 0.OOE+00 '0.00E+00 0.OOE+00 0.00E400 0.OOE+00 0.OOE+00 0.OOE+00 NI-63 0.OOE+00 0.OE+00 0.OOE+00 0.OOE+00 0.O0E+00 0.OOE+00 0.OOE+00 SR-90 0.0OE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 SB-125 0.0OE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.00E+00 0.OOE+00 CS-1 34 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 CS-1 37 0.OOE+00 0.OOE+00 0.OOE+00 0.0OE+00 0.OOE+00 O.OOE+00 0.OOE+00 CO-57 0.ooE+00 0.ooE+00 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 O.OOE+O0 TOTAL..

.. OOE+00 I.1.74E-07 I1.74E-07... 1..74E.

. 7,' '1........... ... 4 7..

I.. 1.74E-07 . ,

Page 7

IPEC Water Mass Balance and Dose Calculation from Groundwater and Storm Water Table 3 Central Unit 2 Storm Drain Releases of Tritium to the Hudson.River via the Discharge Canal in 2005 (Zone C)

Release Rate  :;3.27E+07 ml/day or 8.64E+03 gpd or 6.OOE+00 gpm Duration of Release, in days 365 Waste vol released = 3.15E+06 gal Dilution flow 1.A:.'39E+06. gpm Diltution vol released = 7.31E+1 1 gal Dil Factor 4.32E-06 (dilution from actual2005 data) 0C FR20 1AtvtyC~ >~PRE- POST~j- POST,~ MICRO-

-ISOTOPE Released. ECý 10C DILUTION 'DILUTION DlLUTIONý ~ CURIES

_____ JilmI ^&bcn imit 'CONG/MPC uCi'ml CONG/MPG ~REL"E=AA SED H-3

  • 2.90E-06 1.OOE-02 2.90E-04 1.25E-1 1 1.25E-09 3.46E+04 MN-54 3.OOE-04 0.OOE+00 O.OOE+00 0.OOE+00 O.OOE+00 FE-55 > 1.OOE-03 O.OOE+00 O.OOE+00 0.OOE+00 O.OOE+00 CO-58 2.OOE-04. O.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 CO-60 '- 3.OOE-05 O.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 NI-63 1.OOE-03 0.OOE+00 0.OOE+00 0.OOE+00 O.OOE+00 SR-90 5.OOE-06 0.OOE+00 O.OOE+00 0.OOE+00 0.OOE+00 SB-1 25 - 3.OOE-04 0.OOE+00 O.OOE+00 0.OOE+00 0.OOE+00 CS-134 9.00E-06 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 CS-137 1.OOE-05 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 CO-57 ___,__.___ 6.OOE-04 O.OOE+00 O.OOE+00 0.OOE+00 0.OOE+00
  • TNgALamm2`90&i06 in/s drains, an 2.9E-61wa ent9H.0ef2 1 .46E4-04
  • No gamma identified in storm drains, and 2.9E-6 was avg effluent H-3 in 2005 from MH-4a.

NUREG 0133 "Applicable Factor" for Near Field Dilution = -5.OOE+00i'ý Adult Total Body mrem _

ISOTOPE 7BONE, 2 LIVER TOT BODY- THYRQJ.D,: KIDNEY LNG LI 'Glý,LLI H-3 0.OOE+00 6.18E-09 6.18E-09 6.18E-09 6.18E-09 6.18E-09 6.18E-09 MN-54 O.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 FE-55 O.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 * .OOE+00 CO-58 0.OOE+00 0.OOE+00 0.0OE+00 0.OOE+00 0.OOE+00 0.00E+00 0.OOE+00 CO-60 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.00E+00 NI-63 0.OOE+00 0.OOE+00 0.OOE+00 0.00E+00 0.OOE+00 0.OOE+00 0.00E+00 SR-90 0.00E+00 0.OOE+00 0.0OE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 SB-125 0.00E+00 0.OOE+00 0.0OE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 CS-1 34 O.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 O.OOE+00 CS-1 37 0.OOE+00 0.OOE+00 0.OOE+00 0.O0E+00 0.OOE+00 0.OOE+00 0.OOE+00 CO-57 0.OOE+00 0.00E+-00 0.00E+00 0.OOE+00 0.OOE+00 0.OOE+00 0.00E+00 TOT7AL sOMOE-*01/207:6.i 8E&09q 61 38E 0, 6.1 8E-09Y *W6. I8E.092.>1618E09* '68.E 02L-Page 8

IPEC Water Mass Balance and Dose Calculation from Groundwater and Storm Water Table 4 Storm Drain. Releases of Tritium to the Hudson River via the Discharge Canal in 2005 from Units 1 and 3 (Zones D and E)

Release Rate F. 2.23E+08 I'Jml/day or 5.90E+04 gpd or 4.10E+01 gpm Duration of Release, in days T* i 365<. Waste vol released =- 2.15E+07 gal Dilution flow 11 ._39E+06:;*t gpm Diltution vol released = 7.31E+11 ' gal Dil Factor 2.95E-05 (dilution from actual2005 data)

___t__I____ Activity '10CFR2 4ý- PR -':POST POT ' MCO ISOTOPE. 'Release~d- EC'10 'DILUTION \DILUVTION DILUTIONý 0-URIES S uCilmI' d 6nc limit 3,tCONGMPG LuCmih COIVCMPC RELEASED H-3

  • 1 .56E-06 1.OOE-02 1.56E-04 4.60E-1 1 4.60E-09 1.27E+05 MN-54 .......... 3.OOE-04 0.00E+00 O.00E+0O 0.00E+00 0.O0E+00 FE-55 1.OOE-03 O.'E+00 O.OOE+O 0.OOE+00 0.OOE+00 CO-58 2.OOE-04 O.OOE+O0 O.OOE+00 0.OOE-i0O O.OOE+00 CO-60 3.OOE-05 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 N 63 ..- 1.00E-03 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 SR-90 5.OOE-06 O.OOE+00 0.OOE+00 O.00E+O0 O.OOE+00 SB-125 3.OOE-04 0.OOE+00 O.OOE+00 O.00E+00 O.00E+00 CS-134 9.OOE-06 0.OOE+00 0.00E+00 0.00E+00 O.OOE+00 CS-1 37 1.00E-05 0.00E+00 0.OOE+00 0.00E+00 0.OOE+00 C0-57 ___________ 6.00E-04 0.OOE+00 0.OOE+00 0.00E+00 0.OOE+00
  • TOTgALm1.56E;06 n/a sto1rm6dain, ad064E-wa 41:M&eoec So Drais in200
  • No gamma identified in storm drains, and 1.56E-6 was average of effected Storm Drains in 2005 NUREG 0133 "Applicable Factor" for Near Field Dilution = 5.00 E+00 Adult Total Body mrem ISOOP  : BNE_ LIVER. TOT BODY - TH~YROID~ ~INY LUNG . GlPLLI~

H-3 0.00E+00 2.27E-08 2.27E-08 2.27E-08 .2.27E-08 2.27E-08 2.27E-08 MN-54 0.OOE+00 o.OOE+00 0.00E+00 0.00E+00 0.OOE+00 0.00E+00 0.00E+00 FE-55 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.O0E+00 CO-58 . .OOE+00 0.OOE+00 .0.OOE+O0 0.00E+00 0.OOE+00 0.OOE+O0 0.OOE+00 CO-60 0.00E+00 0.OOE+00 0.OOE+00 0.OOE+00 0.O0E+00 0.00E+00 0.OOE+00 NI-63 0.00E+00 0.OOE+00 0.OOE+00 0.00E+00. 0.00E+00 0.OOE+00 0.OOE+00 SR-90 0.00E+00 0.OOE+00 0.00E+00 0.00E+00 0.00E+00 0.OOE+00 0.OOE+00 SB-125 0.00E+00 0.OOE+00 0.00E+00 0.OOE+00 0.00E+00 0.00E+00 0.OOE+00 CS-1 34 0.OOE+00 0.00E+00 0.OOE+00 0.00E+00 0.OOE+00 0.OOE+00 0.00E+00 CS-137 0.OOE+00 0.OOE+00 0.OOE+00 0.00E+00 0.OOE+00 0.OOE+00 0.00E+00 CO-57 0.OOE+00 0.OOE+00 O.OOE+00 0.00E+00 0.OOE+00 0.OOE+00 0.00E+00 TOTAL O.00E+00~ 2.27E-08 <s.-8 ~2.27E-08~ 1 72.2E;-08 2.27E-08, 227,&0 Page 9

IPEC Water Mass Balance and Dose Calculation from Groundwater and Storm Water Table 5 IP3 Tritium Released to Hudson River via Bedrock Pathway in 2005 (from the area near lP3 waterfront, as determined by samples from .Monitoring Wells - Area 3)

Release Rate 7,.63E*-+07* ml/day or 2.02E+04 gpd or 1.40E+01 gpm Duration of Release, in days ] 365:' , Waste vol released = 7.36E+06 gal Dilution flow ]':1,.11 E+05 -] gpm Diltution vol released = 5.83E+10 gal Dil Factor 1.26E-04 (dilution data per IP-CHM-05-042 from Dr. John Hamawi)

P ~Act~ivi JOCFR2~i2VREk2 POST~, ROT~

ISOTOPE~ R6e~esed~ EC 1O 0 ;DILUTION2, 7DILUTION: DILUTION: ~wCURIES; uCi/mi Qcone lirmit. CONC/MPC u!ýCiYmI.( CONC/MPC: RELE4ASEDj H-3 6.20E-07ý 1.OOE-02 6.20E-05 7.82E-1 1 7.82E-09 1.73E+04 MN-54 , 3.OOE-04 0.OOE+00 O.OOE+00 0.00E+00 0.OOE+00 FE-55 1.OOE-03 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 CO-58 2.OOE-04 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 CO-60 . 3.OOE-05 0.OOE+00 0.OOE+00 0.O0E+00 0.OOE+00 NI-63 1.OOE-03 0.OOE+00 O.OOE+00 O.OOE+00 O.OOE+00 SR-90 5.OOE-06 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 SB-1 25 3.OOE-04 0.OOE+00 0.OOE+00 0.OOE+00 o.OOE+00 CS-134 i. , 9.OOE-06 0.OOE+00 O.OOE+00 0.00E+00 0.OOE+00 CS-137 i1.OOE-05 0.OOE+00 0.OOE+00 O.OOE+00 0'.OOE+00 00-57 6.OOE-04 O.OOE+O0 O.OOE+00 O.OOE+O0 O.OOE+00 TOTAL 6.20Eý07 rnar I 6.20E-ý05,. 7.8ZE -.11 1 7.82E-09, *121.73E1-047j NUREG 0133 "Applicable Factor" for Near Field Dilution = 1.0OE+00~

Adult Total Body mrem ITOE >BONE 2 UVER-'ý TOT,,., B0Y':-,TJýHYRQIP, ~KIDNEY A LUNG I -. <G-LL H-3 0.OOE+00 1.93E-07 1.93E-07 1.93E-07 1.93E-07 1.93E-07 1.93E-07 MN-54 O.OOE+00 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 FE-55 0.OOE+00 0.0OE+00 0.0OE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 CO-58 0.OOE+00 0.OOE+00 0.OOE+00 o.00E+00 0.OOE+00 O.OOE+00 0.OOE+00 CO-60 0.OOE+00 O.OOE+00 0.OOE+00 0.OOE+00 0.OQE+00 0.OOE+00 0.OOE+00 NI-63 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 O.OE+00 0.OOE+00 SR-90 0.OOE+00 O.OOE+O0 0.OOE+00 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 SB-125 0.OOE+00 0.OOE+00 O.OOE+00 O.OOE+00 0.O0E+00 0.OOE+00 0.OOE+00 CS-134 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 CS-137 0.OOE+00 0.OOE+00 0.OOE+00 0.O0E+00 0.OOE+00 O.OOE+00 0.0OE+00 CO-57 0.0OE+00 0.O0E+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 O.00E+00 TOTAE*-z': *.0'00E40. 9 1-193E 07*'93E0 03093E3077,< l193E3EW07M  ;. .

193E-07%R 07,2 Page 10

IPEC Water Mass Balance and Dose Calculation from Groundwater and Storm Water Table 6 IP2 Tritium Released to Hudson River via Bedrock Pathway, 2005 (from the area near IP2 transformer yard, as determined by samples from Monitoring Wells - Area 2)

Release Rate _.,...64E4+0T7 1 ml/day or 4.32E+03 gpd or 3.OOE+00 gpm Duration of Release, in days 1' ., 365 Waste vol released = 1.58E+06 gal Dilution flow I*1.. ... .._ gpm Diltution vol released = 5.83E+1 0 gal Dil Factor 2.70E-05 (dilution data per IP-CHM-05-042 from Dr. John Hamawi)

______ ýActiviy 10>4CFR2O, PR~ POST,7 _-POST, 'MICRO, I:~SOTOPE .,.Released - ýEC'1O DýILUTION 'DILUTION '-DILUTION, CRE

- uCilmi conec lim~it .CONC/MPC~ ~uci/rl, CONC/MPC RELEASED H-3 2.OOE-04 1.OOE-02 2.OOE-02 5.41E-09 5.41E-07 1.19E+06 MN-54 3.OOE-04 0.OOE+00 O.OOE+00 O.OOE+00 0.OOE+00 FE-55 1.OOE-03 0.OOE+00 0.OOE+00 O.0OE+00 0.OOE+00 00-58  ;,, - 2.OOE-04 0.OOE+00 O.OOE+00 O.OOE+00 0.O0E+00 CO-60  : 3.OOE-05 0.OOE+00 0.O0E+00 O.0OE+00 0.OOE+00 NI-63 1.OOE-03 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 SR-90 5.OOE-06 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 SB-125 3.OOE-04 0.OOE+00 0.OOE+00 0.OE+00 o.ooE+00 CS-134 9.OOE-06 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 CS-137 1.OOE-05 0.OOE+00 0.OOE+00 0.OOE+00 O.OOE+00 CO-57 6.O0E-04 0.OOE+00 0.OOE+00 O.OOE+00 O.OOE+00

"'TOTAL "277OEna 1-;2*00E-O2!* <5.41 &E09/, "-:5.41 E-07 1:*-!-.19E406 NUREG 0133 "Applicable Factor" for Near Field Dilution = I1.OE+00 Adult Total Body mrem _

ISOTOPE :. 30.<

BONE*

  • LIVER L'TQBODYV THY ROD KlGDNEY" : L-" . G, < ,,GILIl-H-3 0.0OE+00 1.34E-05 1.34E-05 1.34E-05 1.34E-05 1.34E-05 1.34E-05 MN-54 0.00E+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 FE-55 0.0OE+00 0.OOE+00 O.OOE+00 0.OOE+00 0.OOE+00 0.OOE+O0 0.OOE+00 CO-58 0.OOE+00 0.OOE+00 0.OOE+00 0.00E+00 0.OOE+00 0.OOE+00 0.OOE+00 00-60 0.OOE+00 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 0.00E+00 0.OOE+00 NI-63 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 SR-90 0.O0E+00 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 O.0OE+00 0.OOE+00 SB-125 0.OOE+00 0.00E+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 CS-134 0.QOE+00 0.OOE+00 0.OOE+00 0.00E+00 0.OOE+00 O.OE+00 0.OOE+00 CS-1 37 O.OOE+00 O.OOE+00 O.00E+00 O.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 00-57 0.OOE+00 0.OOE+00 0.00E+00 0.0OE+00 0.OOE+00 0.O0E+00 O.OOE+00 YTOTAkL NO.00E+i00 1.34E-,05y >1.34E.,05 1i.34E705< 1ý.34E~t05<-.E05 13E5 Page 11

IPEC Water Mass Balance and Dose Calculation from Groundwater and Storm Water Table 7 IP2 Tritium and Sr-90 Released to Hudson River via Bedrock Pathway, 2005 (from the area near IP2 transformer yard, as determined by samples from Monitoring Wells - Area 2)

Release Rate 1r,.64E,07 lml/day or 4.32E+03 gpd or 3.OOE+00 gpm Duration of Release, in days 'i 365 Waste vol released = 1.58E+06 gal Dilution flow I.11 E+05 gpm Diltution vol released = 5.83E+10 gal Dil Factor 2.70E-05 (dilution data per IP-CHM-05-042 from Dr.John Hamawi )'

Activity 10CFR20 PýRE POST POST MICRO-ISOTOPE-' Released' EC'`1O DILUTION DILUTION~ DILUTION 07URIES~

________ Ci/m l conc lirhit ~CON/MC ;uýi/mI CO G/MP REL '$ED.

H-3 2.OOE-04 1.OOE-02 2.OOE-02 5.41 E-09 5.41 E-07 1.19E+06 MN-54 ....___-,_ 3.OOE-04 O.OOE+00 0.OOE+00 0.OOE+00 0.00E+00 FE-55  : 1.OOE-03 0.OOE+00 0.OOE+00 0.OOE+00 0.O0E+00 CO-58 ________- 2.OOE-04 0.OOE+00 0.OOE-+00 O.OOE+00 0.OOE+00 C0-60 ,: 3.OOE-05 O.OOE+00 0.OOE+00 O.OOE+00 0.OOE+0o NI-63 __________ 1.O0E-03 O.OOE+00 O.OOE+00 0.OOE+00 O.00E+00 SR-90 5.OQE-09 5.OOE-06 1.OOE-03 1.35E-13 2.70E-08 2.98E+01 SB-125 _______.__ 3.OOE-04 O.OOE+00 0.OOE+00 0.OOE+00 O.OOE+00 CS-1 34 _.._._-_,_ 9.OOE-06 0.00E+00 0.OOE+00 0.OOE+00 O.OOE+00 CS-137 _____.___ 1.OOE-05 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 CO-57 __________ 6.OOE-04 0.OOE+00 O.OE+00 0.OOE+00 0.OOE+00 TOTAL 2.00R!,04~ :-ia 261 O~iEL02~ 5,4TE7O9 ` 5M&8E07.~ TA9E4-0' j, NUREG 0133 "Applicable Factor" for Near Field Dilution = -1.00E+0O~

Adult Total Body mrem ISOTOPE BN LIVER, STOT,4 OY _p~lRp_ KlDNfEY__- NG?2.

ýL _Gl,1359LU H-3 O,OOE+0Q 1.34E-05 1.34E-05 1.34E-05 1.34E-05 1.34E-05 1.34E-05 MN-54 0,OOE+00 O.OOE+00 0.OOE+00 0.OOE+00 O.OOE+00 O.OOE+00 0.O0E+00 FE-55 .0OOE+00 O.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 CO-58 O-00E+00 0.OOE+O0 0.OOE+00 O.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 CO-60 0OOE+00 0.OE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 NI-63 0OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.O0E+00 0.OOE+00 SR-90 7.48E-04 0.O0E+00 1.83E-04 0.OOE+00 0.OOE+00 0.OOE+00 2.15E-05 SB-125 0,00E+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 CS-1 34 O,00E+00 0.OOE+00 0.OOE+00 0.OOE+00 O.OOE+00 0.OOE+00 0.OOE+00 CS-137 0,OOE+00 0.OOE+00 0.OOE+00 0.OOE+00 O.00E+00 0.OOE+00 0.OOE+00 CO-57 0,OOE+00 0.OOE+00 0.o0E+00 0.OOE+00 0.00E+00 0.OOE+00 0.OOE+00

~TOT/AL<:! A8E 1304E14:Q5` 1.

1.97&E04i 1*3ý4 4E1-E05 I- 1ý'34EEQ05 .,.; 334EZ05ýj *!3,49E-05 Page 12

IPEC Water Mass Balance and Dose Calculation from Groundwater and Storm Water Figure 3 Precipitation (inches) at Indian Point 14 2000-2005 12 e 292 inches-per month  !

10 4-o .J C\ cm N\ Cq CO) M~ CO) It "t t "t Q O_ LO) LO 0 0 -

(2 5 O 0

0 0 -c n 0D 0 0

75 0

0a

-o 0 5 t-0 c-0 75 0 c

00 70- - 0 CU .'0 -0 n

0 -,0 ~ 0 Ca 03 Page 13

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