NYC-WTC_000220018

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY’ 10010 Phone: (212) 353-8280 Fax; (212) 353-8306 "A\v/y I I1 TC 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: 11/15/01 Fax: (212)922-0630 Phone: (212)922.007 Project: NYC DDC American Express Bldg.. 30th Floor Vesey Street, , NY.

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Area Nan Asboios Structures Sensitivity Concenrraiion Sample y'olume ■4nalyznl Asb 6.5ft-5 Sfi (S/ce) (S/cc) S'otes 1800.00 0.0450 0 None Detected 0 0 0.0048 <22.24 <0.0048 5928 -40

1800.00 0,0450 0 None Detected 0 0 0.0048 <22,24 <0.0043 5928 -41

1 SOO.OO 0.0450 0 None Deteaed 0 0 0.0048 <22.24 <0.0048 592.8 -46

) 800.00 0.045C 0 NcneDetected 0 0 0.0C48 <22.24 <0.0048 5928 -47

1800.00 0.0450 0 NcneDetected 0 0 0.0048 <22.24 <0.0048 5928 -48

MICHAEL GORYCKI MICHAEL A. CORYCKl. Ph D.

Analyzed by: j^crovpl by;

______ _________ ______________________________________________ Disclaimer The laboratory is not responsible far data reported In struciures/cc, which Is dapanderl on volume collected by nen-labcratory personnel. This lab Is only responsible i for data repated In stnictjrBa/min'. this repor. may loi os naproauced, esoapt in lull, wiviout written approval by ATC Aasociatas inc. This report may not be veefl to etoim product ar.dcrsament by NV'JtP or any other agtne/ of the U.S. Gwemment This repors relates only Io the sanplas reported above Quality control data (including 95% ccmtdence limits and l3boii»ry and analysis' accuracy and p-edsicn) .-s avsilafcle open request.

I Acaedited fcr NVLAP PUmw «10n874, NT State SLAP #10379

CITY_21MC100_002830928

NYC-WTC_000220018