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University of Tennessee contributed to the preparation of this document and should not be considered an eligible contractor for its review.
Guidance for Conducting Risk Assessments and Related Risk Activities for the DOE-ORO Environmental Management Program Date Issued – April 1999 Prepared by The University of Tennessee Knoxville, Tennessee Under subcontract 11K-FYT71C Prepared for the U.S. Department of Energy Office of Environmental Management BECHTEL JACOBS COMPANY LLC managing the Environmental Management Activities at the East Tennessee Technology Park Oak Ridge Y-12 Plant Oak Ridge National Laboratory Paducah Gaseous Diffusion Plant Portsmouth Gaseous Diffusion Plant Under contract DE-AC05-98OR22700 for the U.S. DEPARTMENT OF ENERGY BJC/OR-271
Page 1: BJC/OR-271 Guidance for Conducting
Page 5 and 6: 5.1 COMPARISON TO RISK-BASED PRELIM
Page 7 and 8: ACRONYMS ARARs Applicable or Releva
Page 9 and 10: 1. INTRODUCTION The U.S. Department
Page 11 and 12: Risk assessments and related risk a
Page 13 and 14: Section 4: A more detailed discussi
Page 15 and 16: Table 1. Applicable regulatory and
Page 17 and 18: Paducah Gaseous Diffusion Plant: Th
Page 19 and 20: Site Evaluation Remedial Investigat
Page 21 and 22: Removal Site Evaluation Removal Act
Page 23 and 24: The results of these risk analyses
Page 25 and 26: 3. OTHER ENVIRONMENTAL MANAGEMENT A
Page 27 and 28: 3.3 TECHNOLOGY DEVELOPMENT AND DEMO
Page 29 and 30: 4.1 DATA EVALUATION The first step
Page 31 and 32: S. Department of Energy Oak Ridge Y
Page 33 and 34: End Use Category Table 6. End Use W
Page 35 and 36: database incorporates information n
Page 37 and 38: Scenarios of Concern. Total noncarc
Page 39 and 40: The guidelines in this document dic
Page 41 and 42: 6. BASELINE HUMAN HEALTH RISK ASSES
Page 43 and 44: Note: Remedial Goal Options (RGOs)
Page 45 and 46: Spatial Anaysis and Decision Assist
Page 47 and 48: EPA. 1991d. Appendix D of RAGS, Vol
Page 49 and 50: APPENDIX A RISK ASSESSMENT TECHNICA
Page 51 and 52: ES/ER/TM-28 The Use of Institutiona
Page 53 and 54:
spatially homogeneous, factors to a
Page 55 and 56:
ES/ER/TM-33/R2 by providing more sp
Page 57 and 58:
K/ER-153/R1 Baseline Risk Assessmen
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Sections B.1 through B.5 provided i
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evaluated by comparison to the repo
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slope factor for 234 Th ( 234 Th do
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emaining analyses (since it had a l
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Analytes for which the maximum dete
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This guidance directs the user thro
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where: x = arithmetic mean of the b
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APPENDIX D GUIDE FOR AIR DISPERSION
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D.2 LAND USE—EXPOSURE SCENARIOS E
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Source Solidification/ Stabilizatio
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a certain depth of space. Two basic
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preclude the use of techniques for
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Technology-specific emission rates
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D-14 APPLICATION: Type Table D.4. S
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D-16 METEOROLOGY: RASCAL MILDOS- AR
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D.4.1.1 Screening-level codes D.4.1
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strongly recommended that external
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The primary difference between the
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1. source term 2. overland pathway
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Briggs, Klug, Brookhaven, St. Louis
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D-28 Table D.5. Atmospheric transpo
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D-30 Attributes CD M Table D.5. (co
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Only portions of the source area th
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D.4.2.2.3 CTDMPLUS The Complex Terr
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D.5. PARAMETERS The major input dat
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D.5.1.1.1 Wind directions In the va
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Table D.7. Meteorological data avai
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The EPA (1988) provides guidance on
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Input CAP88- PC Leafy Vegetables (K
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D.8. REFERENCES ANL (Argonne Nation
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Thibodeaux, L. J. 1989. Theoretical
Page 121 and 122:
Table D.10. Baseline emission rate
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Table D.11. Remedial technologies t
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Table D.14. VOC emission rates for
Page 127 and 128:
Title EPA and NTIS No. Date Estimat
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E.1 INTRODUCTION As one of the prim
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emedial decisions. Establishing a r
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Table E.2. Purpose of model selecti
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eview information from other simila
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its associated uncertainty, the tea
Page 139 and 140:
E.4 REFERENCES Droppo, J. G., J. W.
Page 141 and 142:
F.1 INTRODUCTION Human health risks
Page 143 and 144:
F.2 PLANT MODELS For a complete ana
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Table F.1. (continued) Parameter De
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subsequently deposited on plant sur
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a major concern. F.2.1.2 Plant upta
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F.3 ANIMAL MODELS F.3.1 General Mod
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Table F.2. Recommended default valu
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f p = faction of the year the anima
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closely match the plant types of in
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consumption to a dry-weight basis b
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fat content of a cow (25%) and mult
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pasture, and dairy cattle obtain 60
Page 165 and 166:
4.2.8 Fraction of daily water intak
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Hoffman, F. O., U. Bergstrom, C. Gy
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Peterson, H. T. ,. Jr.. 1983. Terre
Page 171 and 172:
G.1. INTRODUCTION Calculation of th
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G.2.1 Soil Determining the size of
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Site Concentration 50 40 30 20 10 0
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Frequency Frequency Frequency 12000
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Stream G-11 Park Lake or River Figu
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More likely, contamination of sedim
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G.2.3 Groundwater The determination
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uncertainty analysis. G.2.4 Surface
Page 187 and 188:
Figure G.12. ORNL groundwater risk
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G.2.4.1 Recommendations After selec
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G.3.2 Traditional Approach The firs
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G.3.3 Division of Data and the Bonf
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of giving smaller weights to areas
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Figure G.16. Variography of the exa
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5 Figure G.17. Kriged map of contam
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Northing 150 125 100 75 50 25 10 20
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concluded that the DL/2 method was
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The simulation presented in Sect. G
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By defining contamination boundarie
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Gilbert, R. 1987. Statistical Metho
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H.1. INTRODUCTION The quantitative
Page 213 and 214:
(Andelman 1990) K p permeability co
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only (yr) 6 (child) (EPA 1991a) EF
Page 217 and 218:
Table H.1. Uncertain parameters and
Page 219 and 220:
values. These values are used in th
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Table H.4. Results of the uncertain
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and 12%, respectively) on the predi
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parameters that pertains to the adu
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While this methodology could be app
Page 229 and 230:
EPA. 1991a. Risk Assessment Guidanc
Page 231 and 232:
The first step in performing the in
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