The inadequacy of commonly used risk assessment guidance for determining whether solvent‐contaminated soils can affect groundwater at arid sitesFootnote∗

Publication No. 3848, Environmental Sciences Division, ORNL.

References

• Roy , W.R. and Griffin , R.A. 1990 . Vapor‐phase interactions and diffusion of organic solvents in the unsaturated zone . Environmental Geology and Water Science , 15 : 101 – 110 .
   Google Scholar
• Falta , R.W. , Javandel , I. , Pruess , K. and Witherspoon , P.A . 1989 . Density‐driven flow of gas in the unsaturated zone due to evaporation of volatile organic compounds . Water Resources Research , 25 : 2159 – 2169 .
   Web of Science ®Google Scholar
• Environmental Protection Agency . 1985 . “ Methods for assessing exposure to chemical substances ” . In Methods for Assessing Exposure from Disposal of Chemical Substances Volume 3 , EPA 560/5–85–003,
   Google Scholar
• Environmental Protection Agency . 1986 . Superfund Public Health Evaluation Manual EPA/540/1–86/060,
   Google Scholar
• Environmental Protection Agency . 1989 . “ Risk assessment guidance for Superfund ” . In In Environmental Evaluation Manual Volume II , EPA/540/1–89/001,
   Google Scholar
• Environmental Protection Agency, Superfund . 1988 . Exposure Assessment Manual EPA/540/1–88/001,
   Google Scholar
• Environmental Protection Agency . 1987 . Guidance for Establishing Target Cleanup Levels for Soils at Hazardous Waste Sites , 204060, Washington, DC : Preliminary Draft prepared by the Exposure Assessment Group, Office of Health and Environmental Assessment .
   Google Scholar
• 1986 . The California Site Mitigation Decision Tree Manual , California Department of Health Services .
   Google Scholar
• Bogan , K.T. , Hall , L.C. , Perry , L. , Fish , R. , Kone , T.E. , Dowd , P. , Pat‐ton , S. E. and Mallon , B. 1988 . Health Risk Assessment of Trichloroelhylene (TCE) in California Drinking Water , California Public Health Foundation . UCRL‐21007, DE88 005364, Lawrence Liv‐ermore National Laboratory
   Google Scholar
• Weeks , E.P. , Earp , D.E. and Thompson , G.M. 1982 . Use of atmospheric fluo‐rocarbons F‐11 and F‐112 to determine the diffusion parameters of the unsaturated zone in southern high plains of Texas . Water Resources Research , 18 : 1365 – 1378 .
   Web of Science ®Google Scholar
• Kearl , P.M. , Dexter , J.J. and Kautsky , M. 1986 . Vadose Zone Characterization of Technical Area 54, Waste Disposal Areas G and L, Los Alamos National Laboratory, New Mexico, Report 3: Preliminary Assessment of the Hydrologic System , Grand Junction, CO : Bendix Field Engineering Corporation . DOE/GJ‐44,
   Google Scholar
• Freeze , R.A. and Cherry , J.A. 1979 . Groundwater, chapter Groundwater Contamination , Englewood Cliffs, NJ : Prentice‐Hall .
   Google Scholar
• Lyman , W.J. , Reehl , W.F. and Rosenblat , D.H. , eds. 1982 . Handbook of Chemical Property Estimation Methods ‐ Environmental Behavior of Organic Compounds , Toronto, , Canada : McGraw‐Hill .
   Google Scholar
• Mendoza , C.A. and Frind , E.O. 1990 . Advective‐dispersive transport of dense organic vapors in the unsaturated zone . Water Resources Research , 26 : 379 – 387 .
   Web of Science ®Google Scholar
• Publication No. 3848, Environmental Sciences Division, ORNL.
   Google Scholar
• Managed by Martin‐Marietta Energy Systems, Inc. for the U.S. Department of Energy under Contract No. DE‐AC05–840R21400.
   Google Scholar