2011 California State Science Fair Participants
Alexander R. Lay

Project J2009
Alexander R. Lay, Grade 8 portrait
Bacteria Hysteria: Which Backpacking Water Purification Method Removes the Most Bacteria from a Sample of River Water?
Advisor: Mrs. Lisa Kauffman
School: Clear Creek School, Grass Valley, Nevada County
California State Science Fair / 2011 / Portraits / CalifSF@usc.edu