Secret nuclear meltdown? Measuring Cs-137 concentration from tree cores to determine radiation exposure from the Santa Susana Field Laboratory, Simi Valley, California

Justin Raul Pardo1, Jennifer M Cotton1, Trevis J. Matheus2 and Joshua Schwartz1, (1)California State University Northridge, Geological Sciences, Northridge, CA, United States, (2)California State University Fullerton, Geography & the Environment, Fullerton, CA, United States