ML16294A490

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Radiological Survey and Dose Assessment Report for the Western New York Nuclear Service Center and Off-Site Areas in Follow Up to Aerial Gamma Radiation Survey Conducted in 2014, Rev.0, Appendix H, Part 33 of 41
ML16294A490
Person / Time
Site: West Valley Demonstration Project, P00M-032
Issue date: 08/22/2016
From:
MJW Technical Services
To:
Office of Nuclear Material Safety and Safeguards, State of NY, Energy Research & Development Authority
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Appendix H33-RESRAD 7.0 Input Param differ from defaults

Attachment H33: RESRAD 7.0 Inputs Parameters that differ from defaults RESRAD Pa*rameter {Units) '

Default Value Comment/Reference Area of contaminated zone (m2) l.OOE+04 varies Area Specific Thickness of contaminated zone (m) 2.00E+OO l.OOE+OO Assumed surface soil contaminated zone thickness.

Length parallel to aquifer flow (m) 1.00E+02 1.65E+02 Selected to achieve site specific groundwater dilution factor of 0.2, based on DEIS groundwate.r model correlation. Only applicable for non-dispersion model.

Only non-zero if Kd values are not available. (Site-specific Kds are Time since placement of material (y) 0.00E+OO O.OOE+OO available).

Cover depth (m) O.OOE+OO O.OOE+OO No cover considered.

Density of cover material (g/cm3) O.OOE+OO not used No cover considered.

Cover depth erosion rate (m/y) O.OOE+OO not used No cover considered.

Density of contaminated zone (g/cm3) l.50E+OO l.70E+OO WVNSCO 1993a and WVNSCO 1993c.

Contaminated zone erosion rate (m/y) l.OOE-03 0.00E+OO Assumed for no source depletion.

Contaminated zone total porosity 4.00E-01 3.60E-01 WVNSCO 1993c.

Contaminated zone field capacity 2.00E-01 2.00E-01 WVNSCO 1993c.

Contaminated zone hydraulic conductiVity l.OOE+Ol 1.40E+02 Average for Sand and Gravel Thick Bedded Unit (4.43E-03 cm/s (m/y) from Table 3-19) divided by 10 to provide vertical conductivity that accounts for potential anisotropy (DEIS Appendix E, Table E-3).

Yu, et al. 2000, Att. C table 3.5-1, mean for loamy sand Contaminated zone b parameter 5.30E+OO 1.40E+OO (ln(mean)=0.305).

Average annual wind speed (m/sec) 2.00E+OO 2.60E+OO WVNSCO 1993d.

Humidity in air (g/m3) 8.00E+OO not used Applicable for tritium exposures only.

Evapotranspiration coefficient 5.00E-01 7.80E-01 Evapotranspiration and runoff coefficients selected to achieve infiltration rate of 0.26 m/y.

Precipitation (m/y) l.OOE+OO 1.16E+OO WVNSCO 1993d.

Irrigation (m/y) 2.00E-01 4.70E-01 Beyeler, et al. 1999.

2.00E-01 O.OOE+OO Not applicable for non-farming scenario.

Irrigation mode overhead overhead Site-specific.

Runoff coefficient 2.00E-01 4.lOE-01 Runoff and evapotranspiration coefficients selected to achieve infiltration rate of 0.26 m/y.

Watershed area for nearby stream or 1.00E+06 1.37E+07 Based on drainage area of site of 13.7 km2 or -5.2 mi2 for pond (m2) Buttermilk Creek.

Accuracy for water/soil computations 1.00E-03 l.OOE-03 Default assumed.

Saturated zone density (g/cm3) 1.SOE+OO l.70E+OO WVNSCO 1993a and WVNSCO 1993c.

Saturated zone total porosity 4.00E-01 3.60E-01 WVNSCO 1993c.

Saturated zone effective porosity 2.00E~Ol 2.SOE-01 WVNSCO 1993c.

Saturated zone field capacity 2.00E-01 2.00E-01 WVNSCO 1993c.

Saturated zone hydraulic conductivity 1.00E+02 1.40E+03 Average for Sand and Gravel Thick Bedded Unit (4.43E-03 cm/s (m/y) from Table 3-19)

Saturated zone hydraulic gradient 2.00E-02 3.00E-02 WVNSCO 1993b.

Saturated zone b parameter 5.30E+OO 1.40E+OO Yu, et al. 2000, Att. C table 3.5-1, mean for loamy sand (ln(mean)=0.305).

Water table drop rate (m/y) l.OOE-03 0.00E+OO Site Specific.

Well pump intake depth (m below water 1.00E+Ol 5.00E+OO Assumption based on site hydrogeology and site-specific table) groundwater dilution factor: Only applicable to non-dispersion model.

Model: Non-dispersion (ND) or ND ND Applicable to areas >1,000 m2 (Yu, et.al. 2001, p.E-18)

Mass-Balance (MB)

MB MB Applicable to areas <1,000 m2 (Yu, et. al. 2001, pE-18)

Page 1of5

Attachment H33: RESRAD 7.0 Inputs Parameters that differ from defaults

.\ RESRAD.Par(!meter (Units} Default. Value ....

  • * ... Comment/Reference ...

Well pumping rate (m3/y) 2.50E+02 5.72E+03 Based on 2.9 m3/y drinking water (2 L/d per 4 people for 365 days), 329 m3/y household water (225 L/d per 4 people for 365 day), 385 m3/y livestock watering (5 beef cattle at SO L/d, 5 milk cows 160 L/d) and 5,000 m3/y for irrigation of 10,000 mi (at rate of 0.5 m/y) from Yu, et al. 2000, Attachment C, Section 3.10.

Number of unsaturated zone strata 1.00E+OO l.OOE+OO Assumed.

Unsaturated zone thickness (m) 4.00E+OO 2.00E+OO Site specific.

Unsaturated zone soil density (g/cm3) 1.50E+OO l.70E+OO WVNSCO 1993a and WVNSCO 1993c.

Unsaturated zone total porosity 4.00E-01 3.60E-01 WVNSCO 1993c.

Unsaturated zone effective porosity 2.00E-01 2.SOE-01 WVNSCO 1993c.

Unsaturated zone field capacity 2.00E-01 2.00E-01 WVNSCO 1993c.

Unsaturated zone hydraulic conductivity l.OOE+Ol 1.40E+02 Average for Sand and Gravel Thick Bedded Unit (4.43E-03 cm/s (m/y) from Table 3-19) divided by 10 to provide vertical conductivity that accounts for potential anisotropy (DEIS Appendix E, Table E-3).

Unsaturated zone b parameter 5.30E+OO 1.40E+OO Yu, et al. 2000, Att. C table 3.5-1, mean for loamy sand (ln(mean)=0.305).

Distribution coefficients - radionuclides Contaminated zone (mL/g) varies Site specific See distribution coefficients table.

Unsaturated zone 1 (mL/g) varies Site specific See distribution coefficients table.

Saturated zone (mL/g) varies Site specific See distribution coefficients table.

Plant Transfer Factor varies Chemical-specific Default values assumed.

Fish Transfer Factor Varies Chemical-specific Default values assumed*.

Leach rate (1/y) varies not used Using site-specific Kd values instead of assigning leach rate.

Solubility constant varies not used Using site-specific Kd values instead of assigning solubility constant.

Inhalation rate (m3/y) 8.40E+03 8.40E+03 Beyeler, et al. 1999.

Mass loading for inhalation (g/m3) l.OOE-04 1.48E-05 Beyeler, et al. 1999. Based on relative time fractions and mean dust loadings. Assumes 288 hours0.00333 days <br />0.08 hours <br />4.761905e-4 weeks <br />1.09584e-4 months <br /> of active farming per year.

Exposure duration (y) 3.00E+Ol 1.00E+OO Yearly dose estimates calculated.

Filtration factor, inhalation 4.00E-01 l.OOE+OO Beyeler, et. al. 1999.

Shielding factor, external gamma 7.00E-01 2.73E-01 Yu, et al. 2000, Att. C Figure 7.10-1, mean of distribution approximates a frame house with slab or basement.

Fraction oftime spent indoors 5.00E-01 6.60E-01 Yu, et al. 2000, Att. C Figure 7.6-2, value represents -5oth

  • percentile of distribution.

5.00E-01 O.OOE+OO Assumed.

Fraction oftime spent outdoors 2.50E-01 2.SOE-01 RESRAD default value used.

Shape factor flag, external gamma l.OOE+OO 1.00E+OO RESRAD default.

Fruits, vegetables and grain consumption

  • l.60E+02 l.12E+02 Beyeler, et al. 1999.

(kg/y)

Leafy vegetable consumption (kg/y) 1.40E+Ol 2.lOE+Ol Beyeler, et al. 1999.

Milk consumption (L/y) 9.20E+Ol 2.33E+02 Beyeler, et al. 1999.

Meat and poultry consumption (kg/y) 6.30E+Ol 6.50E+Ol Beyeler, et al. 1999.

Fish consumption (kg/y) 5.40E+OO 9.00E+OO Exposure Factors Handbook (EPA, 1999). The value represents the 95th percentile of fish consumption by recreational anglers Page 2 of 5

Attachment H33: RESRAD 7.0 Inputs Parameters that differ from defaults RESRAD Parameter,(Units) Default Value Comment/Reference .

Other seafood consumption (kg/y) 9.00E-01 O.OOE+OO Assumes only fish consumed from the stream Soil ingestion rate (g/y) 3.65E+Ol l.83E+Ol Yu, et al. 2000, Att C. Figure 5.6-1, value represents mean of distribution for resident farmer (SO mg/d).

Drinking water intake (L/y) 5.10E+02 7.30E+02 Beyeler, et al. 1999.

Contamination fraction of drinking water 1.0 1.0 Assumed. For stream bed sediment, this is 100% of incidental ingestion.

Contamination fraction of household 1.0 1.0 Assumed.

water Contamination fraction of livestock water 1.0 1.0 Assumed.

Contamination fraction of groundwater 1.0 0 All water ingested is from surface water.

Contamination fraction of irrigation water 1.0 1.0 Assumed.

Contamination fraction of aquatic food 1.0 1.0 Assumed.

Contamination fraction of plant food -1 1.0 Assumes all ingestion is from the contaminated source.

Contamination fraction of meat -1 1.0 Assumes all ingestion is from the contaminated source.

Contamination fraction of milk -1 1.0 Assumes all ingestion is from the contaminated source.

Livestock fodder intake for meat (kg/day) 6.80E+Ol 2.73E+Ol Beyeler, et al. 1999.

Livestock fodder intake for milk (kg/day) 5.SOE+Ol 6.42E+Ol Beyeler, et al. 1999.

Livestock water intake for meat (L/day) 5.00E+Ol 5.00E+Ol Beyeler, et al. 1999, assumed for venison exposure to sediment source.

Livestock water intake for milk (L/day) 1.60E+02 1.60E+02 RESRAD default value used.

Livestock soil intake (kg/day) 5.00E-01 5.00E-01 RESRAD default, assumed for venison exposure to sediment source.

Mass loading for foliar deposition (g/m3) 1.00E-04 4.00E-04 Beyeler, et al. 1999.

Depth of soil mixing layer (m) l.SOE-01 l.SOE-01 Beyeler, et al. 1999.

Depth of roots (m) 9.00E-01 9.00E-01 RESRAD default, represents crops with short growing seasons.

Drinking water fraction from ground water 1.0 1.0 Assumed.

Household water fraction from ground 1.0 1.0 Assumed.

water Livestock water fraction from ground 1.0 1.0 Assumed.

water Irrigation fraction from ground water 1.0 1.0 Assumed.

Wet weight crop yield for non-leafy 7.00E-01 l.7SE+OO Yu, et al. 2000, Att. C Figure 6.5-1 value is mean of distribution.

(kg/m2)

Wet weight crop yield for leafy (kg/m2) 1.SOE+OO 1.SOE+OO RESRAD default.

Wet weight crop yield for fodder (kg/m2) 1.lOE+OO l.lOE+OO RESRAD default.

Growing season for non-leafy (years) l.70E-01

  • 1.70E-01 RESRAD default.

Growing season for leafy (years) 2.SOE-01 2.SOE-01 RESRAD default.

Growing season for fodder (years) 8.00E-02 8.00E-02 RESRAD default.

Translocation factor for non-leafy l.OOE-01 l.OOE-01 RESRAD default.

Translocation factor for leafy 1.00E+OO l.OOE+OO RESRAD default.

Translocation factor for fodder 1.00E+OO 1.00E+OO RESRAD default.

Dry foliar interception fraction for non- 2.SOE-01 2.SOE-01 RESRAD default.

leafy Page3of5

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Atta"chment H33: RES RAD 7.0 Inputs Parameters that differ from defaults RESRAD Parameter (Units) Default Value 'Comment/Reference,

  • Dry foliar interception fraction for leafy 2.SOE-01 2.SOE-01 RESRAD default.

Dry foliar interception fraction for fodder 2.SOE-01 2.SOE-01 RESRAD default.

Wet foliar interception fraction for non- 2.SOE-01 2.SOE-01 RESRAD default.

leafy Wet foliar interception fraction for leafy 2.SOE-01 6.70E-01 Yu, et al. 2000, Att. C Figure 6.7-1 represent the most likely value.

Wet foliar interception fraction for fodder 2.SOE-01 2.SOE-01 RESRAD default.

Weathering removal constant (1/y) 2.00E+Ol l.80E+Ol Yu, et al. 2000, Att: C Figure 6.6-1 represent the most likely value Page 4 of 5

Attachment H33: RESRAD 7.0 Inputs Parameters that differ from defaults RESRAD 'Surface Soil DCGL Subsurface Soil DCGL Sediment DCGL 2 3 Unsaturated( ) Zone Saturated( ) Zone Default C9ntaminated Zone Cont;iminated Zone Contamji:iated Zone Radionuclide (mL/g) (mL/g) (mL/g) (mL/g) (iTIL/g) (mL/g)

Principal Elements 1900(4 ) 4000(S) 4000(S) 1900(4 ) 1900(4 )

Americium 20 (420 - 111,000) (420 - 111,000) (420 - 111,000) (420 - 111,000) (420 - 111,000) s(4) 7(S) 7(S) s(4) s(4)

Carbon 0 (0.7 -12) (0.7 -12) (0.7 -12) (0.7 - 12) (0.7 - 12) 6760 6760 6760 6760 6760 Curium( 6) calculated (780 - 22,970) (780 - 22,970) (780 - 22,970) (780 - 22,970) (780 - 22,970) 280( 4 ) 480(S) 480(S) 280( 4 ) 280( 4 )

Cesium 4600 (48- 4800) (48 - 4800) (48-4800) (48- 4800) (48 -4800) 1(4) pl 2(7) 1(4) 1(4)

Iodine calculated (0.4- 3.4) (0.4 - 3.4) (0.4 - 3.4) (0.4 - 3.4) (0.4 - 3.4) 2.3( 8) 3(S) 3(S) 2_3( 3) 2.3( 8)

Neptunium calculated (O.S - S.2) (0.5 - S.2) (O.S - S.2) (O.S - S.2) (O.S- S.2) 2600( 3 ) 3000(S) 3000(S) 2600( 8 ) 2600( 8 )

Plutonium 2000 (S - 27,900) (S - 27,900) (S - 27,900) (S - 27,900) (S - 27,900) s(9) lS(S) lS(S) s(9) s(9)

Strontium 30 (1- 32) (1- 32) (1-32) (1- 32) (1- 32) 0.1( 4 ) 4.1 (7) 4.1( 7 ) 0.1( 4 ) 0.1( 4 )

Technetium 0 (0.01- 4.1) (1-10) (1-10) (0.01- 4.1) (0.01-4.1) 3S( 4) 10(9) 10(9) 3s( 4) 3S( 4 )

Uranium so (10 - 3SO) (1-100) (1-100) (10 - 3SO) (10- 3SO)

Pro!'env Elements(lO)

Actinium 20 1740 1740 1740 1740 1740 Lead 100 . 2400 2400 2400 2400 2400 Protactinium so 2040 2040 2040' 2040 2040 Radium 70 3SSO 3SSO 3SSO 3SSO 3SSO Thorium 60,000 S890 S890 S890 S890 S890 (1) Sources of Kd values considered included Table 3-20; NUREG-5512 (Beyeler, et al. 1999), Table 6.7; RES RAD User's Guide (Yu, et al. 2001 ),

Tables E-3, E-4; Sheppard, et. al. 2006, and Sheppard and Thibault 1990. Values in parentheses are the bounds used in the sensitivity evaluation, selected considering site-specific and literature values to reflect a reasonable range.

(2) Sediment model assumes no unsaturated zone. Values used for surface and subsurface soil evaluation only.

(3) Values presented here are those used for surface soil DCGLs based on the non-dispersion model.

(4) From Sheppard and Thibault 1990, for sand.

(5) Site specific value for the unweathered Lavery till (see Section 3.7.8, Table 3-20).

(6) Beyeler, et. al. 1999 (7) Site specific value for the Lavery till (see Section 3.7.8, Table 3-20).

(8) Site specific value for the sand and gravel unit (see Section 3.7.8, Table 3-20).

(9) Site specific data (Dames and Moore 1995a, 1995b). The Sr-90 value of 5 mUg is consistent with the value used in the Decommissioning EIS.

(10) Progeny Kds were not included in the sensitivity analysis; DEIS values were used in all cases.

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