NYC-WTC_000208626

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone; (212) 353-S28O Fax: (212) 353-8306

Atta: Mr. Fabio Ped one 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 Fax: (212) 922-0630 Phone; (212) 322-007 Projset: NYC DDC American Express Bldg., 30th Floor Vesey Street, NY, NY.

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Non >iskes!os Structures Sensitivity Concentration Sample Volume Analyzed Ash Tyyefs) O-Su-S S/i (S/ea) (s/innt‘) (S/cc) Notes

1800.00 0.0450 0 None Deieoted 0 0 0.0C48 <22,24 <0.0048 592S -40

1800.00 0,0450 0 None Detected 0 0 0.0048 <22,24 <0.0043 592S -41

ISOO.OO 0.0450 0 Nene Detseted 0 0 0.0048 <22.24 <0,0048 592S -56

1800.00 0.0450 0 None Detected 0 0 0,0045 <22.24 <0.0048 592S -47

1800.00 0.0430 0 Ncr.e Detected 0 0 0,0048 <22.24 <0.0048 5928 -48

MICHAEL GORYCKJ MICHAEL A. CORYCKl. Ph-D-

Analyzed by; toprovpd by;

Disclaimer The lat:o«»7 is not responsible far Mia reported Id struauKslcc. which is depsndert on volume coilected by non-labcratory pereonrei. This lab Is only lespcnsibis i for data reported In stracbrssATiin', This report may .lOt be reproduced, except In full, without written ipprova! by ATC Associates Inc. This report may not be used to etaim | product endcreement by NVLAP or any other speney of the U.S. Goyemment This reports relates only to the sanptes reported above. Quality control data (including 95% I cenridence limits and laboratory and jnalysis' accuracy and preosicn) te available upon request.

AccrediteeIw NVLAP PIM/TEM #1011874, NY Stats ELAP#103'9 i.......... ....... ... . .......... ............ . ............... „

CITY_21MC100_007199805 NYC-WTC_000208626