NYC-WTC_000234084

NYC 9/11 Public Portal Document

1430 Broadway, 10th Fl. New York, New York 10018 Phone: (212) 221-7822 - Fax: (212) 221-7840

Airborne Asbestos Fiber Analysis by Transmission Electron Microscopy Client Lower Manhattan Development Corporation Job Number 46600-0000-00001 Address One Liberty Plaza, 20th Floor Date Received 08/19/2005 New York, NY 10006 Date Analyzed 08/20/2005 Collected By D. Katehis/A. Dvorkin Date Analyzed 130 Liberty Street Collected 08/18/2005 Rotometer Standard

Asbestos Structures Analytical Asbestos Asbestos Lab ID Start/ Volume Asbestos > .5mm Non­ Sensitivity Concentration Concentration Field ID Sample Location Stop Flow (liters) Type(s) <5mm > 5mm Asbestos (AS/cc) (AS/cc) (AS/mm2)

030524642-0001 WASHINGTON STREET/ 16:00 4 1928 None Detected 0 0 0 0.0038 <0.0038 <19.00 ALBANY STREET 00:02 T-081805-3692 030524642-0002 ALBANY STREET/ 16:03 4 1928 None Detected 0 0 0 0.0038 <0.0038 <19.00 GREENWICH STREET 00:05 T-081805-3693 030524642-0003 GREENWICH STREET 16:06 4 1924 None Detected 0 0 0 0.0038 <0.0038 <19.00 00:07 T-081805-3694 030524642-0004 GREENWICH STREET/ 16:10 4 1916 None Detected 0 0 0 0.0039 <0.0039 <19.00 LIBERTY STREET 00:09 T-081805-3695 030524642-0005 WASHINGTON STREET/ 16:12 4 1920 None Detected 0 0 0 0.0039 <0.0039 <19.00 CEDAR STREET 00:12 o T-081805-3696 H l"^

S o O O I o o co

cn Samples analyzed by EMSL Analytical, Inc.; NY ELAP ID# 10872 and 11506 Page 3 of 3

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NYC-WTC_000234086