Overview Initial Building LMDC Lower 130 Liberty Street Deconstruction Characterization Study Development Corporation

Background Intent Context As a result of an agreement between The Initial Building Characterization Study The investigation focused on: and its insurers (following had three main goals: • Physical inspection for months of litigation), the • Characterize the contamination levels Containing Materials (ACM); Development Corporation (LMDC) now in the building; owns the former Deutsche Bank building at • Testing dust for asbestos and other 130 Liberty Street. • Provide recommendations for further Contaminants of Potential Concern sampling; and (COPC), and heavy metals including LMDC is developing a detailed cleaning and mercury; and • Serve as a reference for the deconstruction plan. The building will be development of the deconstruction plan. • Visual inspection for mold. methodically cleaned and deconstructed as part of the redevelopment of the World This is only an initial The Berger study relied on accepted Trade Center (WTC) site. characterization regulatory standards to develop sampling study. LMDC will and analysis procedures. Berger also relied As part of its initial preparations, LMDC conduct additional on previous studies of the building to ensure commissioned the Louis Berger Group, Inc. sampling and testing a comprehensive characterization was to conduct an independent investigation of to ensure that proper conducted. the contamination in the building to ensure techniques and that the deconstruction is safe, effective, It is important to note that previous studies protocols are used and protective of the workers, the by Deutsche Bank and its insurers were during cleaning, community, and the environment. conducted to determine whether the building deconstruction, could be re-occupied. LMDC’s goal was to and disposal. characterize the contamination in order to develop a safe and effective deconstruction plan.

Public Information Session, September 23, 2004