Air sampling results cover letter, 47 West Street, Feb 2002

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104 East 26th Sorest New York.New York 10010 vvwwsto-envimmm 212353.8280 F®x 212.353.8308

VIA FACSIMILE: 212-206-568Q (1 Page)

October 8, 2001

Mr. Brian Becker Time Equities Management 56 Fifth.Avenue. 1541 Floor New York. NY

RE: Asbestos Ambient Air Sampling Results 47 West Street and 80 Washington Street

Dear Mr. Becker summary report presenting the asbestos ATC Associates Inc. (ATC) is pleased to submit thisWashington Street. ambient air sample results for 47 West Street and 80 air samples from within 47 West On September 26, 2001 ATC collected a total of thirty ambient from within 80 Washington eleven ambient air samples Street followed by the collection of 11 absence of airborne asbestos. All ascertain the presence or Street on September 20, 2001 to Transmission Electron samples collected were analyzed In accordance with the AHERA at 40 CFR Part 763, Subpart E, Appendix A. Acceptable Microscopy (TEM) method as set forth the AHERA re.occupancy ambient air samples results are those sample sets meeting asbestos abatement action of an average of less than 70 asbestos requirement following an structures per square millimeter (<70 s/mm2). summary of Ambient Air Sample Results

structures per square millimeter (<70 Based upon the analytical results of lees than 70 asbestos opinion that the ambient it s/mm2) which is within the AHERA clearance requirement, is ATCs acceptable criterion. for re- air samples collected throughout the two buildings meet an questions or require additional explaination of the' information occupancy. If you have any presenled please do not hesitate to call me at 212-353-8280 Sincerely,

Fr d Burkhardt Senior Project Manager ATC Associates Inc.

NYC-WTC 000110045