NYC-WTC_000234540

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 05/22/2005 New York, NY 10006 Date Analyzed 05/23/2005 Collected By A. Dvorkin/V. Bajomo Date Analyzed 130 Liberty Street Collected 05/21/2005 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)

030514018-0001 WASHINGTON STREET/ 16:00 4 1924 None Detected 0 0 0 0.0042 <0.0042 <21.00 ALBANY STREET 00:01 T-052105-2090 030514018-0002 ALBANY STREET/ 16:03 3.9 1876 None Detected 0 0 0 0.0043 <0.0043 <21.00 GREENWICH STREET 00:04 T-052105-2091 030514018-0003 GREENWICH STREET 16:06 4 1924 None Detected 0 0 0 0.0042 <0.0042 <21.00 00:07 T-052105-2092 030514018-0004 GREENWICH STREET/ 16:09 4 1920 None Detected 0 0 0 0.0042 <0.0042 <21.00 LIBERTY STREET 00:09 T-052105-2093 030514018-0005 WASHINGTON STREET/ 16:13 4 1916 None Detected 0 0 0 0.0042 <0.0042 <21.00 CEDAR STREET 00:12 o T-052105-2094 H l"^

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

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NYC-WTC_000234542