NYC-WTC_000231953

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 3/16/2005 New York, NY 10006 Date Analyzed 3/18/2005 Collected By K. DaRocha/V. Bajomo Job Location 130 Liberty Street Collected 03/16/2005 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)

030507075-0001 WASHINGTON STREET/ 00:00 4 1924 None Detected 0 0 0 0.0042 <0.0042 <21.00 ALBANY STREET 08:01 T-031605-890 030507075-0002 ALBANY STREET/ 00:03 4 1924 None Detected 0 0 0 0.0042 <0.0042 <21.00 GREENWICH STREET 08:04 O T-031605-891 030507075-0003 GREENWICH STREET 00:06 4 1924 None Detected 0 0 0 0.0042 <0.0042 <21.00 1^ 08:07 O m T-031605-892 030507075-0004 GREENWICH STREET/ 00:09 3.9 1876 None Detected 0 0 0 0.0043 <0.0043 <21.00 LIBERTY STREET 08:10 o T-031605-893 00 030507075-0005 WASHINGTON STREET/ 00:14 3.9 1876 None Detected 0 0 0 0.0043 <0.0043 <21.00 DO CEDAR STREET 08:15 'o T-031605-894 > 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 tn

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NYC-WTC_000231953