Asbestos fiber analysis report, 21 Ann Street, July 2002

NYC 9/11 Public Portal Document

V A

ATC Associates 104 East 25 Street; New York, NY 100I0 Phone: (212) 353-8280 Fax: (212) 353-8306

Attn: Mr. Pabio Pedcne Received: 7/2/02 5:50:00 PM Wanes & Paaxer Ehgiaceas , P.C. ATC Group utl: 8381 228 E. 45th Street Analysis Date: 7/3/02 New York NY 10017 Fax: (212) 922.0630 Phone: (212) 922-0077 Project: NYC. DEP W & P File * 1079.01.02 21 Arm Street

Asbestos Fiber Analysis by Transmitssion Electron Microscopy (TEM) Performed by EPA 40 CPR Part 763 Final Rule (A1:ELA) Atsalyriaat Asbestos .trey Non Asbesrss # Slrtreteres Sewsirivitp Concentration 54trtpie Y.um.. Aaalyterd Asb Type(s) a5a-s 5p ('c! ' (S/ce) Notes 1870202.1 1500.00 0.0562 None 0etecled 0 0 0 0.0046 <i7.79 <0.00 801/ .1

J870202.2 1500.00 0.0562 0 None Detected 0 0 0.0046 <17.79 <0.0046 a38/ -2

!870202.3 1500.00 0.0562 0 NoneOetatded 0 0 0.0046 <1?.?9 <0.0046 —^ ~ 8341 -3

11370202.4 1500.00 0.0562 0 None Detected 0 0 0.0046 < 1779 <0.0046 838/ -4

1870202-5 1350.00 0.0674 0 Nonet7GtE:,,Ed 0 0 0.0042 <14.83 <0.0042 9381 -3

MARK FEYSAKROV y1ICHA2L A. OORYCKI, Ph.D. a~nalyx6d -by: Approved any:

of ainrer, the laboratory it not responsible for data reported in stv i;!eskr~ which b dependent on volurns toiecied by non.tabamy fd deft reports In atruciurvslmm•. This report nwy notbe teproducep, except in fu4 withoutwrifen apprsvUiyATC personnel. This tab o only responsible Aasooates product endorsement by ?'MAP or any other agency of the V.S. Gaeroment. This reports rolaes on to the samples reported Inc. This report may not to used n claim eonfidence tMnl and loboratory and analyst accuracy and p!ecJsir:n; it avaiabie upon request above. 0uatity control data (hduding 95%

attxedf4d (or NVLAP PLMITEM 41091$7-0, NY State SLAP E0879

Page I Of!

NYC-WTC 000116473