NYC-WTC_000231942

NYC 9/11 Public Portal Document

Cijstomer-Focusisd Sohjiions 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 2/25/2005 New York, NY 10006 Date Analyzed 2/25/2005 Collected By K.DaRocha/ N. Agahan Job Location 130 Liberty Street Collected 02/25/2005 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)

030504996-0001 WASHINGTON STREET/ 00:02 4 1916 None Detected 0 0 1 0.0042 <0.0042 <21.00 ALBANY STREET 08:01 T-022505-548 030504996-0002 ALBANY STREET/ 00:05 4 1920 None Detected 0 0 0 0.0042 <0.0042 <21.00 GREENWICH STREET 08:05 O T-022505-549 030504996-0003 GREENWICH STREET 00:08 3.95 1896 None Detected 0 0 0 0.0042 <0.0042 <21.00 1^ 08:08 O m T-022505-550 030504996-0004 GREENWICH STREET/ 00:11 4 1916 None Detected 0 0 1 0.0042 <0.0042 <21.00 LIBERTY STREET 08:10 o T-022505-551 00 030504996-0005 WASHINGTON STREET/ 00:15 3.9 1868 None Detected 0 0 0 0.0043 <0.0043 <21.00 DO CEDAR STREET 08:14 'o T-022505-552 > z z >

s c DO l"” o o o o Samples analyzed by EMSL Analytical, Inc.; NY ELAP ID# 10872 and 11506 Page 1 of 3 tn

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NYC-WTC_000231942