Unreadable DEP form excerpt, 125 Cedar Street

NYC 9/11 Public Portal Document 10/18/2002 15:16 FAX 212 353 8306 ATC C(? 007

ATC Associates .1 04 East 25 Street, New York, NY 10010 Phone: (212) 353-8280 Fax (212) 353-8306

Attn: Benjamin Sallenii Rec4:ived: 10/9102 8.00:00 AM ATC Associates Inc. ATC Group #: 8946 104 East 25th Street Analysis Date: 10/10/02 New Yozk NY 100.10

Fax: (212) 353.3599 Phone: (212) 353-8280

Project: DEP Clean-up ATC Project #: 22906-0002 125 Cedar Street, New York, NY

EPA PCMe Method Via Transmission Electron Microscopy NOR Asbestos EPA PCMe Asbestos ?CM Asbestos Asbestos N of (7EM) Sample Volume Fibers' F/cc Type(s) Fibers total F/cc Notes

A-9N-01 3700O 5 0.001 None Detected 0 0 <0.0002 Cellulose - S Structures 8946 -1

A 9NO2 ---3 860.00 5 G.001 Slone Debcted 0 0 <0.000Z Cellulose - 3 Swctures. Gypsum - 2 S wca res 6946 -1

A9 03 3850.00 4 0.001 CH YS0T I E 2 33 0.0004 ~K~ Cellulose -2 Structures, Gypsum - 2 Srucrures 8946 -3

A-9N-04 3840.00 4 0.001 None Detected 0 0 <0.0002 Cellulose - 3 Structures, Gypsum -1SUueGre— x046 -4

A-9N.05 3830.00 4 0.001 None Detected 0 0 <D.0002 Cellulose •4 Stttetutee 8946 -3

A -9S-06 3910.00 7 C 001 CHRYSCTILE 1 13 0.0002 Cellulose -SStrCturst, Gypsum - 2 Structures 8916 -6

A-9S07 3900-00 . 4 0.002 Nome Detected 0 0 <0 0002 Cellulose -1 Stcutl are, Gypsum - 3 Structures« 8946 -7

MICHAEL A. GORYCKI, Ph.D. MARK PEYSAKHOV Analyzed by: Approved by:

ATC is not responsible for data reported in fibesicc, wl dependent on vokurne collected by non-laboratory personne,. The above report relates oniy to the items tested. This report may not be reproduced, except in full, without wrl an approval by ATC AVSofates Irtc. Analysis perhrmed by ATC Assoc`ates Inc. (NY ELAP #10679), Forty Grid Openings teem each of toe samples were examined for structures greater than 5µ:n length and having a length-to-width ratio greater than 3:1

Wednesday, October 16, 2002 Page 1 of 6

NYC-WTC 000097118