NYC-WTC_000234084

NYC 9/11 Public Portal Document

Sohjflons 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 8/18/2005 New York, NY 10006 Date Analyzed 8/20/2005 Collected By A. Dvorkin/K. DaRocha Job Location 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)

030524468-0001 WASHINGTON STREET/ 00:02 4 1912 None Detected 0 0 0 0.0039 <0.0039 <19.00 ALBANY STREET 08:00 T-081805-3680 030524468-0002 ALBANY STREET/ 00:05 4 1912 None Detected 0 0 0 0.0039 <0.0039 <19.00 GREENWICH STREET 08:03 T-081805-3681 030524468-0003 GREENWICH STREET 00:07 4 1916 None Detected 0 0 0 0.0039 <0.0039 <19.00 08:06 T-081805-3682 030524468-0004 GREENWICH STREET/ 00:10 4 1920 None Detected 0 0 0 0.0039 <0.0039 <19.00 LIBERTY STREET 08:10 T-081805-3683 030524468-0005 WASHINGTON STREET/ 00:12 4 1920 None Detected 0 0 0 0.0039 <0.0039 <19.00 CEDAR STREET 08:12 o T-081805-3684 H l"^ to

S O o o I o o co to cn Samples analyzed by EMSL Analytical, Inc.; NY ELAP ID# 10872 and 11506 Page 1 of 3

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NYC-WTC_000234084