NYC-WTC_000231892

NYC 9/11 Public Portal Document

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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 06/24/2005 New York, NY 10006 Date Analyzed 06/25/2005 Collected By A. Dvorkin/D. Katehis Date Analyzed 130 Liberty Street Collected 06/23/2005 Potometer 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)

030517454-0001 WASHINGTON STREET/ 16:00 4 1924 None Detected 0 0 0 0.0038 <0.0038 <19.00 ALBANY STREET 00:01 T-062305-2684 030517454-0002 ALBANY STREET/ 16:03 4 1924 None Detected 0 0 0 0.0038 <0.0038 <19.00 GREENWICH STREET 00:04 O T-062305-2685 030517454-0003 GREENWICH STREET 16:06 4 1920 None Detected 0 0 0 0.0039 <0.0039 <19.00 1^ 00:06 O m T-062305-2686 030517454-0004 GREENWICH STREET/ 16:09 4 1916 None Detected 0 0 0 0.0039 <0.0039 <19.00 LIBERTY STREET 00:08 o T-062305-2687 50 030517454-0005 WASHINGTON STREET/ 16:12 4 1920 None Detected 0 0 0 0.0039 <0.0039 <19.00 DO CEDAR STREET 00:12 'o T-062305-2688 > z z >

s c DO l"” o o o o Samples analyzed by EMSL Analytical, Inc.; NY ELAP ID# 10872 and 11506 Page 3 of 3 tn r\a CD tn

NYC-WTC_000231894