NYC-WTC_000234310

NYC 9/11 Public Portal Document

Sohjflons 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 4/26/2005 New York, NY 10006 Date Analyzed 4/28/2005 Collected By K. DaRocha/A. Dvorkin Job Location 130 Liberty Street Collected 04/26/2005 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)

030511079-0001 WASHINGTON STREET/ 00:00 4 1924 None Detected 0 0 0 0.0042 <0.0042 <21.00 ALBANY STREET 08:01 T-042605-1628 030511079-0002 ALBANY STREET/ 00:03 4 1924 None Detected 0 0 0 0.0042 <0.0042 <21.00 GREENWICH STREET 08:04 T-042605-1629 030511079-0003 GREENWICH STREET 00:06 3.9 1876 None Detected 0 0 0 0.0043 <0.0043 <21.00 08:07 T-042605-1630 030511079-0004 GREENWICH STREET/ 00:08 4 1928 None Detected 0 0 0 0.0042 <0.0042 <21.00 LIBERTY STREET 08:10 T-042605-1631___________________________________ 030511079-0005 WASHINGTON STREET/ 00:11 4 1928 None Detected 0 0 0 0.0042 <0.0042 <21.00 CEDAR STREET 08:13 o T-042605-1632 H l"^ to

S o o o I o o co to to o Samples analyzed by EMSL Analytical, Inc.; NY ELAP ID# 10872 and 11506 Page 1 of 3 to co wo

NYC-WTC_000234310