Gretchen L. Hein

Michigan Technological University

Education:

Michigan Technological University, Houghton, MI. Doctor of Philosophy in Environmental Engineering, May 1996.

Purdue University, West Lafayette, IN. Master of Science in Engineering, May 1992.

Indiana University - Purdue University at Indianapolis, Indianapolis, IN. Completed courses in Heating and Ventilation Systems (HVAC), Steel Structure Design and Arabic, 1988 and 1989.

Kettering University (formerly GMI Engineering & Management Institute), Flint, MI. Bachelor of Science in Mechanical Engineering, May 1987.

EIT Certified, 1987.

Professional Experience:

Michigan Technological University, Department of General Engineering, Lecturer. (August 1998 - Present)

Redesigned GN120, Use of a Computer in Solving Engineering Problems, to include engineering applications for software packages and rewrote the labs such that they involved the application of engineering concepts. (Web Page: GN120 Home Page)

Co-Developed GN132, a Mechical Dissection Course to be taught in the Spring quarter of 1999.

Michigan Technological University, Department of Civil and Environmental Engineering, Post-Doctoral Research Associate and Lecturer (August 1996 - August 1998)

Modeled the removal of a mixture of volatile contaminants (VOCs) using air sparging.

Completed columns studies where multiple VOCs were sparged.

Compared numerical predictions to field data generated during air sparging.

Completed project accounting and management.

Prepared lectures and exams for CE361, Hydromechanics, an introduction to pipe flow, open channel flow and fluid mechanics for 90 Civil Engineering students.

Supervised graduate teaching assistants for the CE361, Hydromechanics Laboratories.

USEPA Office of Solid Waste, Waste Treatment Branch, Washington D.C., American Association for the Advancement of Science/EPA Summer Fellow. (Summer, 1996)

Investigated the applicability of using stabilization/solidification for organic-bearing hazardous wastes.

Addressed regulatory concerns from different industries in regard to the disposal and treatment of hazardous wastes.

Michigan Technological University, Department of Civil and Environmental Engineering, Ph.D. Fellow. (July, 1992 - May, 1996)

Verified an air sparging model for air flow patterns and chemical volatilization at the laboratory scale.

Supervised undergraduate students completing air sparging column tests and large reactor tests.

Prepared lectures and exam questions for Landfill Design, Water Distribution and Groundwater Modeling courses.

Assisted in writing successful proposals to various funding agencies.

Reviewed and critiqued journal articles.

Purdue University, Civil Engineering, Teaching Assistant, Laboratory Instructor. (January, 1992 - May, 1992)

Prepared Water Chemistry laboratory experiments and lectures for approximately 150 students.

Purdue University, Civil Engineering, Research Assistant. (August, 1990 - December, 1991)

Developed a lab-scale procedure to remove heavy metals from a waste etchant solution using sulfide precipitation.

Allison Gas Turbine Division, GMC, Plant Engineering, Project Engineer. (June, 1987 - July, 1990)

Completed the mechanical design of a fuel tank storage facility; obtained the necessary permits for construction, supervised the installation and start-up; checked electrical and structural design of the fuel area; managed a $1.7M underground storage tank removal/replacement project.

Designed and managed construction and start-up of a Waste Handling Storage Building.

Allison Gas Turbine Division, GMC, Plant Engineering, Cooperative Student. (May, 1982 - May, 1987)

Designed and installed piping systems, plating equipment and HVAC; supervised installation and start-up of heat treat equipment, designed fire protection distribution systems.

Publications and Presentations:

Hein, G.L., Air Sparging as a Remediation Technique: Modeling and Experimental Analyses. Ph.D. Thesis, Dept. of Civil and Environmental Engineering, Michigan Technological University, May, 1996.

Hein, G.L., Land Disposal Restriction Issues Involved in the Stabilization of Metal-Bearing Hazardous Wastes Containing Trace Amounts of Organics, AAAS/EPA Environmental Science and Engineering Fellowship. Summer, 1996.

Hein, G.L., Treatment of Ferric Chloride Solutions By Sulfide Precipitation: Selective removal of Non-Ferrous Metals. MS Thesis, Dept. of Civil Engineering, Purdue University, May 1992.

Hein, G.L., E.R. Blatchley, III presented "Treatment of Ferric Chloride Solutions By Sulfide Precipitation: Selective removal of Non-Ferrous Metals". WEF Fall Meeting, Toronto, Canada, October 1991.

Hein, G.L., J.S. Gierke, N.J. Hutzler, R.W. Falta, "Three-Dimensional Testing of a Two-Phase Flow-Modeling Approach for Air Sparging". GWMR, Summer 1997, pp. 222-230.

Hein, G.L., N.J. Hutzler, J.S. Gierke, "Three Dimensional, Laboratory-Scale Air Sparging Hydrodynamics," Transactions of the Amer. Geophysical Union (EOS), 75(44), pp. 286, 1994.

Hein, G.L., N.J. Hutzler, J.S. Gierke, "Quantification of the Mechanisms Controlling the Removal Rate of Volatile Contaminants by Air Sparging", Proceedings of the 1994 National Conference on Environmental Engineering on Critical Issues in Water and Wastewater Treatment, ASCE, Environmental Engineering Div., Boulder, CO, July 11-13, 1994.

Mayer, A.S., R.J. Mitchell, P.P.E. Carriere, G.L. Hein, A.J. Rabideau, C.L. Wojick, "Fate and Effects of Pollutants: Groundwater Quality". Water Environment Research, Vol. 67 (4), June 1995, pp. 629-685.

Wojick, C.L, J.S. Gierke, G.L. Hein, N.J. Hutzler, "A Field Test of Gas-Phase Partitioning Tracers for Characterizing Contaminant Saturations in the Vadose Zone", Transactions of the Amer. Geophysical Union (EOS), 75(44), pp. 286, 1995.

Research Grants:

Hutzler, N.J., J.S. Gierke, G.L. Hein, "Design Manual for the Extraction of Contaminants from Unconsolidated Subsurface Environments", SERDP, Funded: March, 1994, $500,000.

Hutzler, N.J., J.S. Gierke, G.L. Hein, "Field Scale Model for Air Sparging Performance Assessment and Design", DOE, Funded: November, 1995, $330,000.

Professional Memberships:

American Association for the Advancement of Science, Association of Environmental Engineering Professors, American Geophysical Union, Pi Tau Sigma.

Activities:

Advisor for Minorities in Eng. Program of Indianapolis, Girls + Science + Math = Success Presenter, Dial Help Crisis Line Vol., Little Brothers Friends of the Elderly Vol., Water Festival Presenter

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