NYC-WTC_000232043

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 2/2/2005 New York, NY 10006 Date Analyzed 2/2/2005 Collected By K.DaRocha/ N. Agahan Job Location 130 Liberty Street Collected 2/2/2005 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)

030502682-0001 WASHINGTON STREET/ 00:01 4 1896 None Detected 0 0 0 0.0042 <0.0042 <21.00 ALBANY STREET 08:01 T-020205-134 030502682-0002 ALBANY STREET/ 00:05 4 1912 None Detected 0 0 0 0.0042 <0.0042 <21.00 GREENWICH STREET 08:03 O T-020205-135 030502682-0003 GREENWICH STREET 00:08 4 1868 Chrysotile 1 0 1 0.0043 0.0043 21.00 1^ 08:07 O m T-020205-136 030502682-0004 GREENWICH STREET/ 00:12 4 1912 None Detected 0 0 0 0.0042 <0.0042 <21.00 LIBERTY STREET 08:10 o T-020205-137 00 030502682-0005 WASHINGTON STREET/ 00:16 4 1916 None Detected 0 0 0.0042 <0.0042 <21.00 DO 1 CEDAR STREET 08:15 'o T-020205-138 > z z >

s c DO 1"° o o o o Samples analyzed by EMSL Analytical, Inc.; NY ELAP ID# 10872 and 11506 Page 1 of 3 tn 00 05

NYC-WTC_000232043