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United States Environmental Protection Agency
Mid-Continent Ecology Division
Duluth, MN
218-529-5000
FAX 218-529-5003
Status Name Title Phone
(218-529-)		 Room Contact E-mail
ASRC Adams, Jesse S. RS/GIS Analyst 5214 140 R. Parsons adams.jesse@epa.gov
EPA/WDR Anderson, Leroy E. Chemist 5352/5142 219/258 B. Hill anderson.leroy@epa.gov
EPA/WDR Angradi, Theodore R. (Ted) Research Biologist 5243 A107 B. Hill angradi.theodore@epa.gov
EPA/TECR Ankley, Gerald T. (Gary) Toxicologist 5147 257 J. Tietge ankley.gerald@epa.gov
WELSO Anstead, Amy Chief Biologist 734-692-7634 Grosse Ile J. Pauer anstead.amy@epa.gov
AMSI Bankson, John D. Librarian 5085 137 M. Starus bankson.john@epa.gov
EPA/IO Batterman, Allan R. Environmental Scientist/QA 5027 150 C. Richards batterman.allan@epa.gov
EPA/ETAR Bennett, Richard S. Toxicologist 5212 251 D. Hoff bennett.rick@epa.gov
SCS/TECR Blake, Lindsey Volunteer/Guest Worker 5237 A101 E. Durhan blake.lindsey@epa.gov
SCS/MCMR Blanksma, Chad Student Contractor 5235 177 K. Flynn blanksma.chad@epa.gov
EPA/POS Boerner, Karis A. Administrative Officer 5012/5035 142 R. Parsons boerner.karis@epa.gov
EPA/WDR Bolgrien, David W. Research Biologist 5216 A200 B. Hill bolgrien.dave@epa.gov
EPA/POS Booth, Rodney H. Facility Operations Specialist 5040 148 R. Parsons booth.rod@epa.gov
SCS/ETAR Brennan, Amanda Student Contractor 5387 211 S. Diamond brennan.amanda@epa.gov
CSC Bryant, Paul System/Lan Manager 734-692-7647 Grosse Ile D. Griesmer bryant.paul@epa.gov
SCS/MCMR Burgess, Emily Student Contractor 5245 A101 S. Degitz burgess.emily@epa.gov
EPA/ETAR Burkhard, Lawrence P. Research Chemist 5164/5367 254/234 D. Hoff burkhard.lawrence@epa.gov
EPA/TECR Butterworth, Brian C. Chemist 5151/5374 251C/239 J. Tietge butterworth.brian@epa.gov
SCS/MCMR Carlson, Kristin Graduate Student 5204 A106 S. Degitz carlson.kristin@epa.gov
FIVE STAR Carlson, Larry R. Janitor 5432 135 D. Pfeffer n/a
SSAI/SEE Carlson, Merlin O. Facilities Administration Assistant 5041 148 R. Booth carlson.merlin@epa.gov
CSC Caudill, Debra L. Technical Data and Info Specialist 734-692-7646 Grosse Ile D. Griesmer caudill.debra@epa.gov
EMR Chambers, Katie Biologist 5326 A104 T. Dawson chambers.katrin@epa.gov
Consoer, Dan Guest Worker 5000 consoer.dan@epa.gov
EPA/ETAR Cook, Philip M. Research Chemist 5202 A111 D. Hoff cook.philip@epa.gov
EPA/ECAR Corry, Timothy D. Biological Science Laboratory Technician 5197 A107 J. Kelly corry.timothy@epa.gov
EPA/ECAR Cotter, Anne M. Chemist 5183/5379 246 J. Kelly cotter.anne@epa.gov
EMR Dawson, Timothy D. Project Manager 5186 A104 A. Batterman dawson.tim@epa.gov
EPA/MCMR Degitz Jr. , Sigmund J. Toxicologist 5168 125B P. Schmieder degitz.sigmund@epa.gov
EPA/MCMR Denny, Jeffrey S. Fishery Biologist 5124/5361 246/228 P. Schmieder denny.jeff@epa.gov
EPA/ETAR Diamond, Stephen A. Biologist 5229 125B D. Hoff diamond.steve@epa.gov
SSAI/SEE Dunleavy, Stella Administrative Assistant, Ops 5066 152 M. Horngren dunleavy.stella@epa.gov
EPA/TECR Durhan, Elizabeth J. (Liz) Research Chemist (EEO) 5167 255/241 J. Tietge durhan.elizabeth@epa.gov
SCS/MCMR Dybvig, Melissa M. Student Contractor 5242 211 R. Kolanczyk dybvig.melissa@epa.gov
NORTH STAR Ellingsen, Lyle E. Facilities Maintenance 5131 203 G. Endicott n/a
EPA/WDR Elonen, Colleen M. Chemist 5195/5311 A107/117 B. Hill elonen.colleen@epa.gov
NORTH STAR Endicott, Glenwood J. Facilities Maintenance Supervisor 5130 203 R. Booth endicott.glen@epa.gov
EPA/ETAR Erickson, Russell J. Chemist 5157 251E D. Hoff erickson.russell@epa.gov
EPA/ETAR Etterson, Matthew A. Ecologist 5158 A210 D. Hoff etterson.matthew@epa.gov
WELSO Feist, Timothy Environmental Modeler 734-692-7639 Grosse Ile J. Pauer feist.timothy@epa.gov
EPA/ETAR Fernandez, Joseph D. Research Chemist 5112 251C D. Hoff fernandez.joe@epa.gov
EPA/LLRFR Filkins, John C. Biologist 734-692-7614 Grosse Ile R. Kreis filkins.john@epa.gov
EPA/ETAR Fitzsimmons, Patrick N. Biologist 5184/5303 204/104 D. Hoff fitzsimmons.patrick@epa.gov
EPA/MCMR Flynn, Kevin M. Biologist 5120 124A P. Schmieder flynn.kevin@epa.gov
SPARKLE Gaskin, Kawann Janitorial 734-692-7600 Grosse Ile J. Filkins
NORTH STAR Golen, Roy Maintenance Electrician 5146 203 G. Endicott n/a
DUN-WELL Gooder, William Security Guard 5408 171 J. Jenson
SSAI/SEE Green Jr., George F. Stock Room 5045 212 R. Booth green.george@epa.gov
CSC Greenwood, Brad E. TOM - Project Manager 5138 140 R. Parsons greenwood.brad@epa.gov
CSC Griesmer, David A. Senior Computer Spec/Site Manager 734-692-7643 Grosse Ile R. Kreis griesmer.david@epa.gov
NRC/MCMR Haasch, Mary L. Senior Scientist 5172 114B R. Johnson haasch.mary@epa.gov
EPA/MCMR Hammermeister, Dean E. Chemist 5155 205 P. Schmieder hammermeister.dean@epa.gov
CSC Hanson, Benji A. ORD IT Systems Administrator 5181 140 B. Greenwood hanson.benji@epa.gov
SSAI/SEE Harris, William Helper, Facility Maintenance 734-692-7627 Grosse Ile J. Filkins harris.william@epa.gov
SSAI/SEE Harwood, Elizabeth J. (Betty) Receptionist 5000 170 K. Boerner harwood.elizabeth@epa.gov
EPA/TECR Haselman, Jonathon T. Biologist 5244 256 J. Tietge haselman.jon@epa.gov
EPA/POS Hautajarvi, Mary A. Financial Management Specialist 5060 152 R. Parsons hautajarvi.mary@epa.gov
EPA/TECR Heinis, Larry J. Chemist 5206/5370 251B/235 J. Tietge heinis.larry@epa.gov
CSC Helgen, Henry W. DataBase Administrator 5140 140 B. Greenwood helgen.henry@epa.gov
EPA/ETAR Highland, Terry L. Biological Science Laboratory Technician 5114/5305 124B/106 D. Hoff highland.terry@epa.gov
EPA/WDR Hill, Brian H. WDR Branch Chief 5224 A112 C. Richards hill.brian@epa.gov
EPA/ETAR Hockett, James R. (Russ) Aquatic Biologist 5248 A105 D. Hoff hockett.russ@epa.gov
EPA/ETAR Hoff, Dale J. Branch Chief, ETAR 5386 245 C. Richards hoff.dale@epa.gov
EPA/ETAR Hoffman, Alex D. Chemist 5135 204/105 D. Hoff hoffman.alex@epa.gov
EPA/ECAR Hoffman, Joel C. Biologist 5420 A201 J. Kelly Hoffman.Joel@epa.gov
EPA/ETAR Hoheisel, Sarah UMD Grad Student 5232 A101 D. Mount hoheisel.sarah@epa.gov
EPA/WDR Hollenhorst, Thomas P. Ecologist 5220 A102 B. Hill hollenhorst.thomas@epa.gov
EMR Holmen, Bruce A. Electronic Support Technician 5191 157B T. Dawson holmen.bruce@epa.gov
EPA/POS Horngren, Mark D. Purchasing Agent 5055 152 R. Parsons horngren.mark@epa.gov
EPA/MCMR Hornung, Michael W. Toxicologist 5236 125C P. Schmieder hornung.michael@epa.gov
SSAI/SEE Hughes, Leslie A. Technical Support Specialist 5225 A211 C. Russom hughes.leslie@epa.gov
EPA/TECR Jensen, Kathleen M. Biologist 5177 206 J. Tietge jensen.kathleen@epa.gov
EPA/ETAR Jenson, Correne T. Physical Science Technician 5182 258 D. Hoff jenson.correne@epa.gov
EMR Jenson, James J. (Jim) Aquatic Biologist 5322 162 T. Dawson jenson.jim@epa.gov
EPA/WDR Jicha, Terri M. Physical Scientist 5153 A200 B. Hill jicha.terri@epa.gov
SSAI/SEE Johnson, Raymond M. Stock Room 5046 212 R. Booth johnson.ray@epa.gov
EPA/MCMR Johnson, Rodney D. Research Biologist 5117/5317 124C/123 P. Schmieder johnson.rodney@epa.gov
EPA/TECR Kahl, Michael D. Biologist 5179/5381 206 J. Tietge kahl.michael@epa.gov
EPA/ECAR Kelly, John R. ECAR Branch Chief 5119 125A C. Richards kelly.johnr@epa.gov
EPA/IO Keough, Janet R. Associate Director for Science 5025 144 C. Richards keough.janet@epa.gov
EPA/ECAR Knuth, Michael L. Research Chemist 5173 256 J. Kelly knuth.michael@epa.gov
EPA/MCMR Kolanczyk, Richard C. Chemist 5152/5361 205/288 P. Schmieder kolanczyk.rick@epa.gov
CSC Koller, Kathleen Data Entry 5416 140 B. Greenwood koller.kathleen@epa.gov
EPA/MCMR Korte, Joseph J. Chemist 5175/5384 247/288 P. Schmieder korte.joe@epa.gov
EPA/TECR Kosian, Patricia A. Chemist 5149/5370 251B/235 J. Tietge kosian.pat@epa.gov
EPA/LLRFR Kreis, Russell G. LLRFR Branch Chief 734-692-7615 Grosse Ile C. Richards kreis.russell@epa.gov
CSC Larimer, Grayson E. Help Desk 5136 140 B. Greenwood larimer.grayson@epa.gov
SRA LePage, Roger W. Photographer / Graphic Artist 5144 140 R. Parsons lepage.roger@epa.gov
DUN-WELL Ledin, Mark A. Security 5408 171 J. Jenson n/a
SCS/WDR Lehto, LaRae L. Graduate Student 5207 A107 B. Hill lehto.larae@epa.gov
SCS/MCMR Lindberg-Livingston, Annelie Student Contractor 5178 A101 S. Degitz lindberg-livingston.annelie@epa.gov
EPA/MCMR Lothenbach, Douglas B. Biologist 5111/5314 124A/120 P. Schmieder lothenbach.doug@epa.gov
EMR Lott, Kevin G. Aquatic Biologist 5320 169 T. Dawson lott.kevin@epa.gov
EPA/ETAR Lukasewycz, Marta T. Chemist 5193 127 D. Hoff lukasewycz.marta@epa.gov
EPA/TECR Makynen, Elizabeth A. Chemist 5196/5370 255 J. Tietge makynen.liz@epa.gov
SSAI/SEE Marschner, Henry F. Facility Maintenance H&S Specialist 734-692-7617 Grosse Ile J. Filkins marschner.henry@epa.gov
NRC/TECR Martinovic, Dalma Senior Scientist 5115 140 J. Tietge martinovic.dalma@epa.gov
EPA/IO Mead, Eric S. Industrial Hygienist 5017 148 C. Richards mead.eric@epa.gov
CSC Melendez, Wilson Programmer/Modeler 734-692-7648 Grosse Ile D. Griesmer melendez.wilson@epa.gov
SPARKLE Mendez, Michael Janitorial 734-692-7600 Grosse Ile J. Filkins
SCS/MCMR Mereness, Megyn K. Student Contractor 5208 211 R. Kolanczyk mereness.megyn@epa.gov
ASRC Meyer, Roger A. RS/GIS Analyst 5417 140 R. Parsons meyer.roger@epa.gov
SPARKLE Meza, Luis Janitorial Staff 734-692-7600 Grosse Ile J. Filkins
EPA/LLRFR Miller, David H. Environmental Engineer 734-692-7613 Grosse Ile R. Kreis miller.davidh@epa.gov
EPA/ECAR Miller, Samuel E. Aquatic Biologist and Lake Explorer Captain 5211 A102 J. Kelly miller.samuel@epa.gov
SSAI/SEE Miller, Sylvia K. Administrative Assistant, IO 5026 142 K. Boerner miller.sylviak@epa.gov
SCS/MCMR Moen, Scott M. Student Contractor 5200 177 D. Lothenbach Moen.Scott@epa.gov
EPA/WDR Moffett, Mary F. Ecologist 5174 258 B. Hill moffett.mary@epa.gov
EPA/ECAR Morrice, John A. Research Biologist 5210 A201 J. Kelly morrice.john@epa.gov
EPA/ETAR Mount, David R. Research Aquatic Biologist 5169 245 D. Hoff mount.dave@epa.gov
DUN-WELL Nelson, Michael S. Security 5408 171 J. Jenson n/a
CSC Ness, Brian ECOTOX Reviewers 218-733-0789 CSC Offsite B. Greenwood ness.brian@epa.gov
SCS/WDR Newman, Brian Student Volunteer 5385 211 B. Hill newman.brian@epa.gov
EPA/ETAR Nichols, John W. Toxicologist 5160 251D D. Hoff nichols.john@epa.gov
CSC Nollet, Chris Systems Administrator 140 R. Turk nollet.chris@epa.gov
EPA/TECR Norberg-King, Teresa J. Research Aquatic Biologist 5163 254 J. Tietge norberg-king.teresa@epa.gov
NRC/MCMR Olmstead, Allen W. Research Associate 5122 A106 S. Degitz olmstead.allen@epa.gov
NORTH STAR Olson, Kevin N. Facilities Maintenance 5113 203 G. Endicott n/a
CSC Ostazeski, Shannon M. Literature Acquisition Specialist 5171 140 B. Greenwood ostazeski.shannon@epa.gov
EPA/POS Parsons, Roger W. Associate Director for Program Operations 5030 145 C. Richards parsons.roger@epa.gov
DUN-WELL Pass, Frederick M. Security 5000 171 J. Jenson n/a
WELSO Pauer, James Water Quality Modeler 734-692-7635 Grosse Ile J. Filkins pauer.james@epa.gov
EPA/WDR Pearson, Mark S. Aquatic Biologist 5205 A211 B. Hill pearson.mark@epa.gov
SSAI/SEE Pedersen, Royanne R. (Rusty) Tech Info Specialist 5077 140 M. Starus pedersen.royanne@epa.gov
EPA/ECAR Peterson, Gregory S. Ecologist 5128 A107 J. Kelly peterson.greg@epa.gov
EMR Peterson, Stephanie Biologist 5189 A104/165 T. Dawson
FIVE STAR Pfeffer, Douglas Janitor 5432 132 R. Booth n/a
WELSO Pfeiffer, Erika Inorganic Chemist 734-692-7636 Grosse Ile J. Pauer pfeiffer.erika@epa.gov
EPA/ECAR Picinich, Mario T. Marine Operations & Equipment Specialist 5228 A102 J. Kelly picinich.mario@epa.gov
CSC Pilli, Anne ECOTOX Project Manager 733-0789 x264 CSC Offsite B. Greenwood pilli.anne@epa.gov
SCS/ETAR Poe, Michael M. Student Contractor 5133 177 D. Hoff poe.michael@epa.gov
SSAI/SEE Puglisi, Frank A. Occupational Safety and Health Technician 5067 152 E. Mead puglisi.frank@epa.gov
EPA/POS Purser, Pauline A. (Polly) Mgmt. and Program Analyst/HR Coordinator 5070 151 R. Parsons purser.pauline@epa.gov
SCS/WDR Quesenberry, Amanda Student Contractor 5247 A200 T. Jicha quesenberry.amanda@epa.gov
WELSO Raymond, Brian Inorganic Chemist 734-692-7637 Grosse Ile J. Pauer raymond.brian@epa.gov
EPA/IO Richards, Carl MED Director 5010 141 C. Richards richards.carl@epa.gov
EPA/LLRFR Rossmann, Ronald Research Chemist 734-692-7612 Grosse Ile R. Kreis rossmann.ronald@epa.gov
EPA/ETAR Russom, Christine L. Biologist/ECOTOX & ACQUIRE 5218 A211 D. Hoff russom.chris@epa.gov
EPA/LLRFR Rygwelski, Kenneth R. Environmental Scientist 734-692-7641 Grosse Ile R. Kreis rygwelski.kenneth@epa.gov
CSC Satterwhite, Jerome Network Specialist 734-692-7640 Grosse Ile D. Griesmer satterwhite.jerome@epa.gov
EPA/ECAR Scharold, Jill V. Research Aquatic Biologist 5194 A106 J. Kelly scharold.jill@epa.gov
EPA/MCMR Schmieder, Patricia K. MCMR Branch Chief 5161 253 C. Richards schmieder.patricia@epa.gov
SCS/ECAR Seifert, Lindsey Student Contractor 5141 A101 M. Knuth seifert.lindsey@epa.gov
EPA/MCMR Serrano, Jose A. Research Chemist 5118 124C P. Schmieder serrano.jose@epa.gov
EPA/MCMR Sheedy, Barbara R. Chemist 5192/5359 127 P. Schmieder sheedy.barbara@epa.gov
EPA/ECAR Sierszen, Michael E. Ecologist 5199 A207 J. Kelly sierszen.michael@epa.gov
SCS/TECR Skolness, Sarah Volunteer/Guest Worker 5134 206 E. Durhan skolness.sarah@epa.gov
SRA Spehar, Diane L. Technician II 5145 140 R. Parsons spehar.diane@epa.gov
EPA/IO Spehar, Robert L. (Bob) Aquatic Biologist 5123 125C/108 C. Richards spehar.robert@epa.gov
SRA Starry, Matthew A. RS/GIS TDD Lead 5213 140 R. Parsons starry.matthew@epa.gov
EPA/POS Starus, Mary Ann Technical Information Manager 5075 149 R. Parsons starus.maryann@epa.gov
EPA/ETAR Stephan, Charles E. Environmental Scientist 5219 A210 D. Hoff stephan.charles@epa.gov
NRC/MCMR Sternberg, Robin Senior Scientist 5159 A106 S. Degitz sternberg.robin@epa.gov
SSAI/SEE Stewart, Paula Technical Support 734-692-7621 Grosse Ile J. Filkins stewart.paula@epa.gov
THOR Sudomier, Robert Maintenance Technician 734-692-7625 Grosse Ile G. Endicott Sudomier.Robert@epa.gov
SCS/MCMR Sykes, Maicie Student Contractor 5221 177 R. Johnson schick.maicie@epa.gov
EPA/MCMR Tapper, Mark A. Biologist 5150/5359 247/226 P. Schmieder tapper.mark@epa.gov
EPA/WDR Taylor, Debra L. Biologist 5180 A102 B. Hill taylor.debra@epa.gov
SPARKLE Thompkins, James Janitorial Service SPARKLE 734-692-7600 Grosse Ile J. Filkins
EPA/WDR Thompson, Jo Ann Research Aquatic Biologist 5198 A207 B. Hill thompson.jo@epa.gov
EPA/TECR Tietge, Joseph E. TECR Branch Chief 5176 251 C. Richards tietge.joe@epa.gov
EPA/ECAR Trebitz, Anett S. Ecologist 5209 A201 J. Kelly trebitz.anett@epa.gov
SCS/TECR Trygstad, Jenna Student Contractor 5246 A101 J. Tietge trygstad.jenna@epa.gov
CSC Turk, Rick ORD IT Systems Engineer 5137 140 B. Greenwood turk.rick@epa.gov
SRA Turnham, Susan Mattis Tech Info Data Specialist 5143 140 R. Parsons turnham.susan-mattis@epa.gov
SCS/ECAR VanAlstine, Jon Student Contractor 5215 A102 S. Miller vanalstine.jon@epa.gov
SSAI/SEE Vee, Judy A. Receptionist 5000 170 K. Boerner vee.judy@epa.gov
EPA/TECR Villeneuve, Dan Toxicologist 5217 257 J. Tietge Villeneuve.dan@epa.gov
AMSI Walkoviak, Susan H. Assistant Librarian 5086 137 J. Bankson walkoviak.susan@epa.gov
SSAI/SEE Wallace, Anna Receptionist 734-692-7620 Grosse Ile J. Filkins wallace.anna@epa.gov
SCS/MCMR Waterhouse, Hillary Student Contractor 5170 A101 D. Hammermeister waterhouse.hillary@epa.gov
SPARKLE Watson, Margaret L. Janitorial 734-692-7600 Grosse Ile J. Filkins
SPARKLE Watson, Michael Janitorial 734-692-7600 Grosse Ile J. Filkins
SCS/TECR Wehmas, Leah Student Contractor 5423 A101 E. Durhan wehmas.leah@epa.gov
SSAI/SEE Welshinger, Audrey J. Administrative Assistant, Ops 5065 152 M. Hautajarvi welshinger.audrey@epa.gov
EPA/ECAR West, Corlis W. Aquatic Biologist 5125 124B J. Kelly west.corlis@epa.gov
EPA/ETAR Whiteman, Frank W. Biologist 5185 206 D. Hoff whiteman.frank@epa.gov
FIVE STAR Wick, Jack W. Custodian 5432 135 D. Pfeffer
SSAI/SEE Wood, Cathleen P. Technical Support Specialist 5225 A211 C. Russom wood.cathleen@epa.gov
CSC Xia, Xiangsheng Senior Database Mgmt Systems Spec 734-692-7626 Grosse Ile D. Griesmer xia.xiangsheng@epa.gov
CSC Yesberger, Charles J. Help Desk 5129 140 B. Greenwood yesberger.charles@epa.gov
EPA/ECAR Yurista, Peder M. Biologist 5148 A109 J. Kelly yurista.peder@epa.gov
WELSO Zhang, Xiaomi Water Quality Modeler 734-692-7624 Grosse Ile J. Pauer zhang.xiaomi@epa.gov

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