With extensive experience in the development of life support systems for manned space flight, UMPQUA Research Company (URC) particular specialty has been the design and building of water disinfection and purification subsystems for the Space Shuttle, extra-vehicular activity, the International Space Station, and flight experiments. URC offers technical services in four primary areas: Drinking Water and Environmental Analysis; Air and Water Purification Related Engineering Services (including NASA Flight Hardware); Research & Development; and Materials Testing. The firm was initially focused on Aerospace Related business but expanded into a variety of Environmental Services for customers throughout the Pacific Northwest. URC currently consists of a small group of highly trained professionals with vast experience in the application of science and engineering to the solution of environmental problems both in space and here at home. The staff includes chemical, electrical, and mechanical engineers, chemists, physicists, and biological scientists. The firms R&D team has pursued the development of advanced technologies to support extended human presence in space. Working with NASA, major aerospace firms, and academic institutions, URC has participated in microgravity flight experiments aboard the Space Shuttle, and NASA's KC-135 and C-9 aircraft.