NYC-WTC_000220221

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone: (212) 353-8280 Fax: (212)353-8306

Attn: Mr. Fabio Pedone Received: 11/19/01 9:30:00 PM Warren & Panzer Engineers, P C. 228 E, 45th Street ATCGroup#: 5928 New York NY 10017 Analysis Date: 11/19/01 1 Fax: (212)922-0630 Phone; (212) 922-007 Project: NYC DDC American Express Bldg., 30lh Floor Vesey Street, NY , NY.

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytiail Asbestos Area Non Asbestos Struetures SsnsitivUy CoHceittratian Sample Volume Analyzed Asb e.S/t-S Sfi (S/eeJ Notes

1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0,0048 5928 -40

1800.00 0.0450 0 None Delected 0 0 0.0048 <22.24 <0.0048 5928 -41

ISOO.OO 0.0450 0 None Detaaad 0 0 , 0.0048 <22.24 <0,0048 5928 -40

1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 5928 -47

1800.00 0.0450 0 Nene Delected 0 0 0.0048 <22.24 <0.0048 5928 -48

MICHAEL GORYCKI MICHAEL A. CORYCKI, Ph D.

Analyzed by:

Oiseiaimer. The laboratory is not responsible far dale reported In stiuctures/oc, which Is dependent on volume collected by non-lsboratoiy petsonnel. TNs lab Is only tespcnsible ! lor data repohed In etiuctures/mm’. This report may net ba reproduced, encapt h full, without written approval by ATC Assoefatas Inc. This report may not be used to claim produrt endorsement by NVIAP or any other agency ol the U.S. Government This reports relatss only to the samples reported above Quality control data (indudlns 95% confidence limits and laboratory and analysis' accureoy and precision) is available upon request I Accredited lor NVLAP PLMrTEM«101187-O, NY State ELAP#108-9 I. —-------------------- ---- ----------- ------------

CITY_21MC100_002838457

NYC-WTC_000220221