This is a companion CD for the technical report "Damper System Identification and Change Detection" (contract number: 59A0356). This CD contains the following files: [1] report: caltrans_root_19Jan05b.pdf [2] data folders contain the entire raw data sets for the 250 kip damper (UCB1), 15 kip damper (UCB2), and MR damper (MRD1). If you have a question, please contact the following persons: Sami F Masri (masri@usc.edu) Professor Department of Civil and Environmental Engineering University of Southern California Los Angeles, California 90089-2531 Haebum A Yun (haebum@usc.edu) Graduate Student and Research Assistant Department of Civil and Environmental Engineering University of Southern California Los Angeles, California 90089-2531