NYC-WTC_000232246

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 5/30/2005 New York, NY 10006 Date Analyzed 6/1/2005 Collected By V. BajomoK. DaRocha Job Location 130 Liberty Street Collected 05/30/2005 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)

030514736-0001 WASHINGTON STREET/ 00:01 4 1920 None Detected 0 0 0 0.0042 <0.0042 <21.00 ALBANY STREET 08:01 T-053005-2240 030514736-0002 ALBANY STREET/ 00:04 3.9 1872 None Detected 0 0 0 0.0043 <0.0043 <21.00 GREENWICH STREET 08:04 O T-053005-2241 030514736-0003 GREENWICH STREET 00:07 4 1920 None Detected 0 0 0 0.0042 <0.0042 <21.00 1^ 08:07 O m T-053005-2242 030514736-0004 GREENWICH STREET/ 00:09 3.95 1896 None Detected 0 0 0 0.0042 <0.0042 <21.00 LIBERTY STREET 08:09 o T-053005-2243 J] 1920 None Detected 0 0 0 0.0042 <0.0042 <21.00 □0 030514736-0005 WASHINGTON STREET/ 00:12 4 CEDAR STREET 08:12 'o > T-053005-2244 z z >

s c □0 l"” o o o Samples analyzed by EMSL Analytical, Inc.; NY ELAP ID# 10872 and 11506 Page 1 of 3

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NYC-WTC_000232246