Darren D. Schmidt, P.E., Research Manager Energy & Environmental Research Center University of North Dakota 15 North 23rd Street, Stop 9018 Grand Forks, ND 58202-9018 Phone: (701) 777-5120 Fax: (701) 777-5181 dschmidt at undeerc.org <mailto:dschmidt at undeerc.org> www.undeerc.org <http://www.undeerc.org>