2008 California State Science Fair Participants
Timothy D. Chen

Project S0906
Timothy D. Chen, Grade 11 portrait
The Effectiveness of Water Purification Systems on Decreasing Ion Concentration and the Level of Microorganisms
Advisor: Mr. Michael Antrim
School: Woodbridge High School, Irvine, Orange County
California State Science Fair / 2008 / Portraits / CalifSF@usc.edu