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Your Environment. Your Health.

Person Details: Martha H. Conklin

Superfund Research Program

Martha H. Conklin

University of Arizona
College of Engineering
4225 N. Hospital Road, Bldg. 1200
Atwater, Arizona 95301
Phone: 209-724-4349
Fax: 209-724-4459
Email: mconklin@ucmerced.edu

Projects

Research Briefs

Hazardous Waste Sites

Apache Powder, NPL Superfund site

  • University of Arizona: Remediating Mine Waste Products

Klondyke Tailings, WQARF site

  • University of Arizona: Remediating Mine Waste Products

Page Ranch Landfill

  • University of Arizona: Remediating Mine Waste Products

Pinal Creek, WQARF site

  • University of Arizona: Remediating Mine Waste Products

Vulture Mill, AZ WQARF site

  • University of Arizona: Transport of Trace Metals in a Polluted Aquifer
  • University of Arizona: Transport of Trace Metals in a Polluted Aquifer

Publications

2003

  • Morfin O, Conklin MH, Corley TL, Hiskey JB, Ruiz J. 2003. The use of Pb isotopes, total metals analysis and total metals ratios to characterize Pb transport and fate in an interrupted stream, Aravaipa Creek, SE Arizona. In: Proceedings of the 5th International Symposium on Hydrometallurgy.
  • Villinski JE, Saiers JE, Conklin MH. 2003. The effects of reaction-product formation on the reductive dissolution of MnO2 by Fe(II). Environ Sci Technol 37(24):5589-5596. PMID:14717168

2002

  • Bruant RG, Conklin MH. 2002. Adsorption of benzene and methyl-substituted benzenes at the vapor/water interface: 2. Single-component VHOC adsorption. Journal of Physical Chemistry B 106(9):2224-2231.
  • Bruant RG, Conklin MH. 2002. Adsorption of benzene and methyl-substituted benzenes at the vapor/water interface: 3. Finite binary-component VHOC adsorption. Journal of Physical Chemistry B 106(9):2232-2239.
  • Melitas N, Conklin MH, Farrell J. 2002. Electrochemical investigation of arsenate and water reduction on iron media used for arsenic removal from potable water. Environ Sci Technol 36(14):3188-3193. PMID:12141502
  • Melitas N, Conklin MH, Farrell J. 2002. Understanding the mechanisms controlling the kinetics of arsenate and chromate removal from solution using zerovalent iron media. In: Innovative Strategies for the Remediation of Chlorinated Solvents and DNAPLs in the Subsurface. American Chemical Society, Washington, DC.
  • Melitas N, Wang J, Conklin MH, Farrell J, O'Day PA. 2002. Understanding soluble arsenate removal kinetics by zerovalent iron media. Environ Sci Technol 36(9):2074-2081. doi:10.1021/es011250y PMID:12026995
  • Silva JA, Bruant RG, Conklin MH, Corley TL. 2002. Equilibrium partitioning of chlorinated solvents: Low foc geomedia. Environ Sci Technol 36(7):1613-1619. PMID:12004787

2001

  • Conklin MH, Villinski JE, Kay JT. 2001. Geochemistry of acid mine contamination-aquifer interactions. Int J Occup Med Environ Health 14(3):249-259. PMID:11764853
  • Corley TL, Conklin MH. 2001. Heavy metals associated with aquatic plants in an acid-mining contaminated stream: The role of metal plaques. In: Proceedings of the Conference on Environmental Research, May 22-23, 2001. Great Plains/Rocky Mountain Hazardous Substance Research Center. Kansas State University, Manhattan, KS.
  • Farrell J, Wang J, O'Day PA, Conklin MH. 2001. Electrochemical and spectroscopic study of arsenate removal from water using zero-valent iron media. Environ Sci Technol 35(10):2026-2032. doi:10.1021/es0016710 PMID:11393984
  • Kay JT, Conklin MH. 2001. Processes of nickel and cobalt uptake by a Mn-oxide forming sediment in Pinal Creek, Globe mining district, Arizona. Environ Sci Technol 35(24):4719-4725. PMID:11775144
  • Villinski JE, O'Day PA, Bargar JR, Conklin MH. 2001. In situ formation and transformation of Fe(III) precipitates from the oxidation of Fe(II) by MnO2. In: Proceedings of the 222nd ACS (American Chemical Society) National Meeting - Fall 2001. Chicago, IL. pp.PaperNo.482686.
  • Villinski JE, O'Day PA, Corley TL, Conklin MH. 2001. In situ spectroscopic and solution analyses of the reductive dissolution of MnO2 by Fe(II). Environ Sci Technol 35(6):1157-1163. doi:10.1021/es001356d PMID:11347928

2000

  • Bruant RG, Conklin MH. 2000. Adsorption behavior of binary benzene/methyl-substituted benzene mixtures at the air/water interface. In: Proceedings of "El Dia Del Agua" Research Symposium. The University of Arizona, Tucson, AZ.
  • Bruant RG, Conklin MH. 2000. Adsorption of hydrophobic organic contaminants at the air/water interface. In: Proceedings of "El Dia Del Agua" Research Symposium. The University of Arizona, Tucson, AZ.
  • Bruant RG, Conklin MH. 2000. Adsorption of trichloroethene at the vapor/water interface. Environ Sci Technol 35(2):362-364. PMID:11347610
  • Bruant RG, Conklin MH. 2000. Dynamic determination of vapor/water interface adsorption for volatile organic compounds (VHOCS) using axisymmetric drop shape analysis: Procedure and analysis of benzene adsorption. Journal of Physical Chemistry B 104(47):11146-11152.
  • Choi J, Harvey JW, Conklin MH. 2000. Characterizing multiple timescales of stream and storage zone interaction that affect solute fate and transport in streams. Water Resour Res 36(6):1511-1518.
  • Conklin MH. 2000. Geochemical alterations in an aquifer contaminated by acid mine drainage. In: Proceedings of the Conference on Metals in Eastern and Central Europe: Health Effects, Sources of Contamination and Methods of Remediation, Nov. 8-11. Prague, Czech Republic.
  • Kay JT, Fuller CC, Conklin MH, O'Day PA. 2000. Trace-metal interactions with sediments from the hyporheic zone of a mine-contaminated stream, Pinal Creek, Arizona. In: Proceedings of the Conference on Earth Observing System (EOS), Transactions of the American Geophysical Union. Fall Meeting Supplement, December 15-19. San Francisco, CA. pp.F480.
  • Villinski JE, O'Day PA, Bargar JR, Conklin MH. 2000. Reductive dissolution of MnO2 by Fe(II): Effects of chemical gradients and intermediate phase structural information. In: Proceedings of the American Chemical Society Fall Meeting, August 20-24, American Chemical Society. Washington, DC. pp.630-633.

1999

  • Bruant RG, Conklin MH. 1999. Adsorption behavior of binary benzene/methyl-substituted benzene mixtures at the air/water interface. Eos, Transactions, American Geophysical Union 80(46):F311.
  • Choi J, Harvey JW, Conklin MH. 1999. Characterizing multiple time scales of stream and storage zone interaction that affect solute fate and transport in drainage basins. Eos, Transactions, American Geophysical Union 80(46):341.
  • Choi J, Harvey JW, Conklin MH. 1999. Use of multi-parameter sensitivity analysis to determine relative importance of factors influencing natural attenuation of mining contaminants. In: U.S. Geological Survey Toxic Substances Hydrology Program - Proceedings of the Technical Meeting, March 8-12. Volume 1-Contamination from Hard Rock Mining: US Geological Survey Water-Resources Investigations Report 99-4018A. Charleston, SC. pp.185-191.
  • Corley TL, Marble JC, Koelsch RS, Parker E, Conklin MH. 1999. Biogeochemical oxidation of manganese in Pinal Creek, Arizona. Eos, Transactions, American Geophysical Union 80(46):377.
  • Harvey JW, Fuller CC, Conklin MH. 1999. Enhanced removal of dissolved manganese in hyporheic zones: Centimeter-scale causes and kilometer-scale consequences. In: Proceedings of the Toxic Substances Hydrology Program Meeting. Charleston, SC. pp.Report99-4018A.
  • Harvey JW, Fuller CC, Conklin MH. 1999. Enhanced removal of dissolved manganese in hyporheic zones: Centimeter-scale causes and kilometer-scale consequences. In: U.S. Geological Survey Toxic Substances Hydrology Program - Proceedings of the Technical Meeting, March 8-12. Volume 1-Contamination from Hard Rock Mining: US Geological Survey Water-Resources Investigations Report 99-4018A. Charleston, SC. pp.193-199.
  • Koelsch RS, Harvey JW, Conklin MH. 1999. Effects of floods and recovering aquatic vegetation on surface and subsurface storage processes of a contaminated Arizona stream. Eos, Transactions, American Geophysical Union 80(46):315.
  • Marble JC, Corley TL, Conklin MH. 1999. Representative plant and algal uptake of metals near Globe, Arizona. In: U.S. Geological Survey Toxic Substances Hydrology Program - Proceedings of the Technical Meeting, March 8-12. Volume 1-Contamination from Hard Rock Mining: US Geological Survey Water-Resources Investigations Report 99-4018A. Charleston, SC. pp.239-245.
  • Marble JC, Corley TL, Conklin MH, Fuller CC. 1999. Environmental factors affecting oxidation of manganese in Pinal Creek, Arizona. In: U.S. Geological Survey Toxic Substances Hydrology Program - Proceedings of the Technical Meeting, March 8-12. Volume 1-Contamination from Hard Rock Mining: US Geological Survey Water-Resources Investigations Report 99-4018A. Charleston, SC. pp.173-183.
  • Padilla IY, Yeh TJ, Conklin MH. 1999. The effect of water content on solute transport in unsaturated porous media. Water Resour Res 35(11):3303-3313. doi:10.1029/1999WR900171
  • Robbins EI, Corley TL, Conklin MH. 1999. Manganese removal by the epilithic microbial consortium at Pinal Creek near Globe, Arizona. In: U.S. Geological Survey Toxic Substances Hydrology Program - Proceedings of the Technical Meeting, March 8-12. Volume 1-Contamination from Hard Rock Mining: US Geological Survey Water-Resources Investigations Report 99-4018A. Charleston, SC. pp.247-258.
  • Villinski JE, Conklin MH, Liang L. 1999. Effect of natural organic matter on the Mn/Fe redox couple. In: Proceedings of the American Chemical Society National Meetings, Environmental Chemistry Division. Anaheim, CA.
  • Villinski JE, O'Day PA, Corley TL, Conklin MH. 1999. A flow-through cell for in situ, real time X-ray absorption spectroscopy studies of geochemical reactions. In: Proceedings of the U.S. Geological Survey Toxic Substances Hydrology Program Technical Meeting - Volume 2 - Contamination of Hydrologic Systems and Related Ecosystems. U.S. Geological Survey Water-Resources Investigations Report 99-4018B. pp.217-226.
  • Yu C, Warrick AW, Conklin MH. 1999. A moment method for analyzing breakthrough curves of step inputs. Water Resour Res 35(11):3567-3572.
  • Yu C, Warrick AW, Conklin MH. 1999. Derived functions of time domain reflectometry for soil moisture measurement. Water Resour Res 35(6):1789-1796. doi:10.1029/1999WR900025

1998

  • Bruant RG, Conklin MH. 1998. Adsorption of hydrophobic organic contaminants at the air/water interface. In: Proceedings of the 1998 Gordon Research Conference, Chemistry at Interfaces. Kimball Union Academy, Meriden, NH.
  • Bruant RG, Conklin MH. 1998. Adsorption of hydrophobic organic contaminants at the air/water interface. In: Proceedings of the United States/Mexico Conference on Hazardous Waste Management and Technologies. Tucson, AZ.
  • Bruant RG, Conklin MH. 1998. Adsorption of hydrophobic organic contaminants at the air/water interface. Eos, Transactions, American Geophysical Union 79(17):S86.
  • Choi J, Hulseapple SM, Conklin MH, Harvey JW. 1998. Modeling CO2 degassing and pH in a stream-aquifer system. Ground Water 209:297-310.
  • Padilla IY, Conklin MH, Yeh TJ. 1998. The effect of water content on transport of trichloroethylene in unsaturated porous media. Eos, Transactions, American Geophysical Union 79(45):
  • Padilla IY, Conklin MH, Yeh TJ. 1998. Transport behavior of volatile organic compounds in unsaturated porous media under wetting and drying conditions for different water contents. In: Proceedings of the Superfund Basic Research Program: A Decade of Improving Health through Multi-Disciplinary Research. Chapel Hill, NC.
  • Silva JA, Conklin MH. 1998. Potential importance of pore-filling on distributions of VOCs in unsaturated, low organic content porous media. Eos, Transactions, American Geophysical Union 79(17):S115.
  • Villinski JE, Conklin MH. 1998. Reductive dissolution of prolusite-coated quartz by Fe(II). In: Proceedings of the Superfund Basic Research Program: A Decade of Improving Health through Multi-Disciplinary Research. Chapel Hill, NC.
  • Villinski JE, O'Day PA, Conklin MH. 1998. Reductive dissolution of pyrolusite by Fe(II): A real-time, in situ XANES experiment. Eos, Transactions, American Geophysical Union 79(45):342-343.

1997

  • Bruant RG, Conklin MH. 1997. Concentration dependent surface tension for aqueous solutions of alkyl substituted benzenes. Eos, Transactions, American Geophysical Union 78:F291.
  • Padilla IY, Yeh TJ, Conklin MH. 1997. The effect of water content on solute transport and mass transfer in unsaturated porous media. Eos, Transactions, American Geophysical Union 78:F330.
  • Yu C, Warrick AW, Conklin MH, Young MH, Zreda M. 1997. Two- and three-parameter calibration of time domain reflectometry for soil moisture measurement. Water Resour Res 33(10):2417-2424.

1996

  • Corley TL, Farrell J, Hong B, Conklin MH. 1996. VOC accumulation and pore filling in unsaturated porous media. Environ Sci Technol 30(10):2884-2891.
  • Padilla IY, Conklin MH, Yeh TJ. 1996. The effect of soil wetting and drying processes on the transport behavior of volatile organic compounds in unsaturated porous media. In: Proceedings of the Hazardous Substance Research Center (HSRC) / Waste-Management Education & Research Consortium Joint Conference on the Environment.
  • Padilla IY, Conklin MH, Yeh TJ. 1996. Transport behavior of volatile organic compounds in unsaturated porous media under wetting and drying conditions for different water contents. Eos, Transactions, American Geophysical Union 77(46):F275.
  • Yu C, Conklin MH. 1996. Experimental observation of tetrachloroethene transport behavior in an unsaturated sand column. In: Proceedings of the Hazardous Substance Research Center (HSRC) / Waste-Management Education & Research Consortium Joint Conference on the Environment.
  • Yu C, Warrick AW, Conklin MH, Zreda M, Young MH. 1996. Simplified calibration of time domain reflectometry for soil moisture measurement. Eos, Transactions, American Geophysical Union 77(46):F284.

1995

  • Cao Y, Conklin MH, Betterton EA. 1995. Competitive complexation of trace metals with dissolved humic acid. Environ Health Perspect 103(1):29-32. PMID:7621794
  • Conklin MH, Corley TL, Roberts PA, Davis J, van de Water JG. 1995. Nonequilibrium processes affecting forced ventilation of benzene and xylene in a desert soil. Water Resour Res 31(5):1355-1365. doi:10.1029/95WR00004
  • Yu C, Conklin MH. 1995. Effect of trichloroethene on the aqueous solubility of chlorobenzenes. Toxicol Sci 49:73-84.
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