Ecosystems Research Division

You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.

Champion, Jr., W.L., J. Lee, A.W. Garrison, J.C. DiMarco, A. Matabe, and K.B. Prickett. 2004. Liquid Chromatographic Separation of the Enantiomers of Trans-chlordane, cis-chlordane, Heptachlor, Heptachlor Epoxide and Alpha-Hexachlorocyclohexane with Application to Small-scale Preparative Separation. Journal of Chromatography A. 1024(1/2):55-62.

Chen, R.F., P. Bissett, P. Coble, R. Conmy, G.B. Gardner, M.A. Moran, X. Wang, M.L. Wells, P. Whelan, and R.G. Zepp. 2004. Chromophoric Dissolved Organic Matter (CDOM) Source Characterization in the Louisiana Bight. Marine Chemistry. 89(1-4):257-272.

Frick, W.E. 2004. Visual Plumes Mixing Zone Modeling Software. Environmental Modelling & Software. 19(7/8):645-654.

Hilal, S.H., S.W. Karickhoff, and L.A. Carreira. 2004. Prediction of the Solubility, Activity Coefficient and Liquid/Liquid Partition Coefficient of Organic Compounds. QSAR & Combinatorial Science. 23(9):709-720.

Hilal, S.H., S.W. Karickhoff, L.A. Carreira, and B.P. Shrestha. 2004. Estimation of Carboxylic Acid Ester Hydrolysis Rate Constants. QSAR & Combinatorial Science. 22(9/10):917-925.

Hutchinson, S.L. 2004. A Study on the Accumulation of Perchlorate in Young Head Lettuce. U.S. Environmental Protection Agency, Athens, GA. Publication No. EPA/600/R-03/003 (PDF, 21 pp., 263 KB).

Knightes, C.D. and R.B. Ambrose, Jr. 2004. Analysis of Mercury in Vermont and New Hampshire Lakes: Evaluation of the Regional Mercury Cycling Model. U.S. Environmental Protection Agency, Athens, GA. Publication No. EPA/600/R-04/080 (PDF, 296 pp., 11.2 MB).

Kundu, B., S.D. Richardson, C.A. Granville, D.T. Shaughnessy, N.M. Hanley, P.D. Swartz, A.M. Richard, and D.M. DeMarini. 2004. Comparative Mutagenicity of Halomethanes and Halonitromethanes in Salmonella TA100: Structure-Activity Analysis and Mutation Spectra. Mutation Research. 554(1-2):335-350.

Kundu, B., S.D. Richardson, P.D. Swartz, P.P. Matthews, A.M. Richard, and D.M. DeMarini. 2004. Mutagenicity in Salmonella of Halonitromethanes: a Recently Recognized Class of Disinfection By-Products in Drinking Water. Mutation Research. 562(1-2):39-65.

Li, X., R.B. Ambrose Jr., and R. Araujo. 2004. Modeling Mineral Nitrogen Export from a Forest Terrestrial Ecosystem to Streams. Transactions of the ASAE. 47(3):727-739.

Loux, N. T. 2004. A Critical Assessment of Elemental Mercury Air/water Exchange Partners. Chemical Speciation and Bioavailability. 16(4):127-138.

Mohamoud, Y. 2004. Comparison of Hydrologic Responses at Different Watershed Scales. U.S. Environmental Protection Agency, Athens, GA. Publication No. EPA/600/R-04/103 (PDF, 81 pp., 1.7 MB).

Plewa, M.J., E.D. Wagner, P. Jazwierska, S.D. Richardson, P.H. Chen, and A.B. McKague. 2004. Halonitromethane Drinking Water Disinfection Byproducts: Chemical Characterization and Mammalian Cell Cytotoxicity and Genotoxicity. Environmental Science and Technology. 38(1):62-68.

Plewa, M.J., E.D. Richardson, A.D. Thruston, Jr., Y.-T. Woo, A.B. McKague. 2004. Chemical and Biological Characterization of Newly Discovered Iodoacid Drinking Water Disinfection Byproducts. Environmental Science and Technology. 38(18):4713-4722.

Rashleigh, B. 2004. Fish Assemblage Groups in the Upper Tennessee River Basin. Southeastern Naturalist. 3(4):621-636.

Rashleigh, B. 2004. Relation of Environmental Characteristics to Fish Assemblages in the Upper French Broad River Basin, North Carolina. Environmental Monitoring and Assessment. 93(1-3):139-156.

Rashleigh, B., M.C. Barber, M.J. Cyterski, J.M. Johnston, R. Parmar, and Y. Mohamoud. 2004. Population Models for Stream Fish Response to Habitat and Hydrologic Alteration: The CVI Watershed Tool. U.S. Environmental Protection Agency, Athens, GA. Publication No. EPA/600/R-04/190 (PDF, 102 pp., 6.8 MB).

Richardson, S.D. 2004. Environmental Mass Spectrometry: Emerging Contaminants and Current Issues. Analytical Chemistry. 76(12):3337-3364.

Simmons, J.E., L.K. Teuschler, C. Gennings, T.F. Speth, S.D. Richardson, R.J. Miltner, M.G. Narotsky, K.D. Schenck, E.S. Hunter III, R.C. Hertzberg, and G. Rice. 2004. Component-Based and Whole-Mixture Techniques for Addressing the Toxicity of Drinking-Water Disinfection By-Product Mixtures. Journal of Toxicology and Environmental Health. 67(8-10):741-754.

Smith, C.N., F.E. Stancil, D.L. Spidle, P.D. Smith, B.E. Kitchens, H. Kollig, L. Smith, S. Senter, M. Cyterski, L. Prieto, D. Bouchard, K. Wolfe, R. Parmar, Y. Mohamoud, M. Flexner, T. Cavinder, and B. Johnson. 2004. A Comprehensive Nonpoint Source Field Study for Sediment, Nutrients, and Pathogens in the South Ford Broad River Watershed in Northeast Georgia. U.S. Environmental Protection Agency, Athens, GA. Publication No. EPA/600/R-04/026 (PDF, 143 pp., 4.6 MB).

Sorial,G., S. Chandrasekar, and J.W.Weaver. 2004. Characteristics of Spilled Oils, Fuels, and Petroleum Products: 2a. Dispersant Effectiveness Data for a Suite of Environmental Conditions - the Effects of Temperature, Volatilization, and Energy. U.S. Environmental Protection Agency, Athens, GA. Publication No. EPA/600/R-04/119 (PDF, 86 pp., 2.2 MB).

Stabenau, E., R. G. Zepp, E. Bartels, and R. G. Zika. 2004. Role of Seagrass (Thalassia Testudinum) as a Source of Chromophoric Dissolved Organic Matter in Coastal South Florida. Marine Ecology Progress Series. 282:59-72.

Tebes-Stevens, C.L., and W.J. Jones. 2004. Estimation of Microbial Reductive Transformation Rates for Chlorinated Benzenes and Phenols Using a Quantitative Structure-Activity Relationship Approach. Environmental Toxicology and Chemistry. 23(7):1600-1609.

Varella, R.F., M.M.C. Bustamante, A.S. Pinto, K.W. Kisselle, R.V. Santos, R.A. Burke, R.G. Zepp, and L.T. Viana. 2004. Soil Fluxes of CO2, CO, NO, and N2O from an Old Pasture and From Native Savanna in . Ecological Applications. 14(4)Supplement:S221-S231.

Vincenti, M., N. Ghiglione, M.C. Valsania, P. Davit, and S.D. Richardson. 2004. Synthesis of Highly Fluorinated Chloroformates and Their Use as Derivatizing Agents for Hydrophilic Compounds and Drinking Water Disinfection By-Products. Helvetica Chimica Acta. 87(2):370-375.

Washington, J.W., D.M. Endale, L.P. Samarkina, and K.E. Chappell. 2004. Kinetic control of oxidation state at thermodynamically buffered potentials in subsurface waters. Geochimica et Cosmochimica Acta. 68(23):4831-4842 (2004).

Weaver, J.W. 2004. Characteristics of Spilled Oils, Fuels, and Petroleum Products: 3a. Simulation of Oil Spills and Dispersants Under Conditions of Uncertainty. U.S. Environmental Protection Agency, Athens, GA. Publication No. EPA/600/R-04/120 (PDF, 99 pp., 2.7 MB).

Weaver, J.W. 2004. On-line Tools for Assessing Petroleum Releases. U.S. Environmental Protection Agency, Athens, GA. Publication No. EPA/600/R-04/101 (PDF, 81 pp, 1.4MB).

Xie, H., O.C. Zafiriou, W.-J. Cai, R.G. Zepp, and Y. Wang. 2004. Photooxidation and its Effects on the Carboxyl Content of Dissolved Organic Matter in Two Coastal Rivers in the Southeastern United States. Environmental Science and Technology. 38(15):4113-4119.

Zepp, R.G., W. Sheldon, and M.A. Moran. 2004. Dissolved Organic Fluorophores in Southeastern US Coastal Waters: Correction Method for Eliminating Rayleigh and Raman Scattering Peaks in Excitation-Emission Matrices. Marine Chemistry. 89(1-4):15-36.