NYC-WTC_000205180

NYC 9/11 Public Portal Document

ATC Associates 104 East 23 Street, New York, NY 10010 Phone; (212) 353-8280 Fax:(212) 353-8206

Attn; Mr, Fabio Psdone Reewved: n.Q5/Cl 9:0<3;00 AM Warren & -Panzer Engineers, ?,C. 228 e, 43tii Sceet ATC Group itz i973 Nev> York NY 10017 Analysis Date: .11/25/01 Fax: (212) 922-0630 Phone: (212) 922-00? Frqiect; NYC ODC American Express Bldg., 30th Floor Vesey Sorest, OT, NY.

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHER4) Analytical Asbe^tes zlre« A«/( v<i8estos: Structure!! Sensithiiy CaitCentraxicin Sample I'uiiime Analyzeit Ash Typefs) Sfi (S-'ce) fS/'mm') fS/ca) /V'aias Hi 1800.00 0.0450 0 None Detected 0 0 O.0O4S <32-24 <0.0043 5973 -1

116 1800.00 0.0450 0 Na,ne Detected 0 0 0.0048 <22.24 <0.0043 5973.-2

117 1800,00 0.0450 0 NoneCetacMd 0 0 0.004S <22.24 <0.0048 5973 -3

118 1800.0!) 0.0430 0 ,Mone Cetecied 0 0 0 0043 <22',24 <0.0048 5.973. -4

119 tSOaOQ- O;.0450. 7 NoneCetected 0 0 0:0048 <22-.24 <0:0048 5977-5

120 1300.00 0.0450 0 Nene Detected 0 0 0.0C48 < 22.24 <0.0043 5973.-6

RONIAN PEYSAKHOV MICHAEL A, OORYCKI. Ph.O'.

Analyzed by; Approved by:

Dlscisiiner The laboratni^' is not responsible far data reported in struoturesw, which is dependsni on volume collected by non-laborator/ psrecnnal Ths !»b is on ly responsible 1 far data raportad in siructures/mrn? This report may not be rsproducad, except in Ml, without written approval by ATO Assoeiatec Inc. This report may not be usee to cisin j product endoiseinent by HVWP bf any ether agency of the U.S. Government, This reports relates only to the samples reported soove. Quality wntoldata (indudine 35% confidence iitnits and laborotory and analysis' acccracy and precision) is avaiiaoia upon request

Accradlted fqi NVIAP #wn 37-0,'.NY' State Eb^P #10879

CITY_21MC100_003263811

NYC-WTC_000205180