EPA/DEP Fax Cover Sheet, April 24, 2002

NYC 9/11 Public Portal Document APR-24-2002 ^3:00 U.S. EPA/DEPP 212 6373772 P.04/06 ** - *

Projecteti Cpst'. $5 million. This cost is higher than in the above efforts because it will involve sampling for several potential indicators of WTC related contamination before work is commenced, will involve use of several modifications of cleaning techniques with post clean up sampling and re-cleaning if necessary. Statt4s pfRequestforFEMA mission assignment: Submitted as revised 4/11/02. Awaiting approval.

4. Cleaning of Debris-Laden Unoccupied, Uncleaned Buildings

Objective: Since the debris removal from the immediate areas of destruction in the WTC complex is nearing completion, the remaining unoccupied, uncleaned buildings must be cleaned. This will prevent debris/dust from being re-entrained in air and/or re-contaminating the nearly areas with debris/dust. Program: NYC will clean the remaining^unoccupied (residential and commercial), uncleaned buildings near the WTC site that contain WTC-debris. NYC will w'ork with building owners to determine reasons that these buildings have not been cleaned yet. If building owners are not able to expeditiously clean their property, NYC will proceed. Projected COst: $20 million, based upon estimates approximately $2 million/building for 10 buildings. Inventory of buildings is being identified by NYC and may be decreased as a result of NYC’s efforts to get building owners to conduct clean up. Status ofRequest for FEMA mission assigtiment: Awaiting initial FEMA feedback I

5. Clean Up of Exteriors of Buildings with Residual Debris/Dust

Objective: To eliminate remaining debris/dust resulting from the WTC collapse on building exteriors in Lower Manhattan thereby assuring this material will not become re-enlrained in the air at a future time, thus creating a potential exposure to the public. Program: NYCDEP will contract for the cleaning of the exteriors of approximately 250 buildings in Lower Manhattan. EPA, NYCDEP and OSHA will oversee contractors. Projected Cc^t: NYC $10,28 Million Project Period: April 2002 through November 2002 Statr/s of Requestfor FEMA mission assignment: FEMA funding approved pending resolution of indentoification issues.

6. Identificatjion and Inspection of HVAC Systems in Lower Manhattan,

Objective: Evaluate whether further actions are required for central, recirculating HVAC systems in residential buildings in Lower Manhattan wliich may have been impacted by the debris/dust from the WTC building collapse. Program: NYC will retain a consultant to identify central, recirculating HVAC systems in residential buildings in Lower Manhattan which may have been impacted by the

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