NYC-WTC_000233671

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 02/21/2005 New York, NY 10006 Date Analyzed 02/21/2005 Collected By K. DaRocha Date Analyzed 130 Liberty Street Collected 02/20/2005 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)

030504467-0001 WASHINGTON STREET/ 16:01 4 1920 None Detected 0 0 0 0.0042 <0.0042 <21.00 ALBANY STREET 00:01 T-022005-470 030504467-0002 ALBANY STREET/ 16:04 3.95 1896 None Detected 0 0 0 0.0042 <0.0042 <21.00 GREENWICH STREET 00:04 T-022005-471 030504467-0003 GREENWICH STREET 16:07 3.9 1872 None Detected 0 0 0 0.0043 <0.0043 <21.00 00:07 T-022005-472 030504467-0004 GREENWICH STREET/ 16:10 4 1924 None Detected 0 0 0 0.0042 <0.0042 <21.00 LIBERTY STREET 00:11 T-022005-473 030504467-0005 WASHINGTON STREET/ 16:13 4 1928 None Detected 0 0 0 0.0042 <0.0042 <21.00 CEDAR STREET 00:15 o T-022005-474 H l"^

S o O O I o o co

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

NYC-WTC_000233673