NYC-WTC_000199476

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY 10010 Phone: (212) 353-S280 Fax; (212) 353-8306

Attn: Received: S/20/02 4;20;00 PM

Taylor Evironmentai Group ATC Group #; S723 Analysis Date: 8/20/02

Fax: (516) 358-1'80 Phone:

Project: NYCSCA Project #; M477-15217-29881 Sruyvisanc H. S., Sth Floor

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos Aren Asbestos UStructures Sensitivity Concentration Sample l^olume Analyzed Asb TypeCs) D.5p-5 5fi (S/cc) (S/ntm^) fS/ccJ Notes

5-ri 1593.00 0.0562 0 NoneDeteaed 0 0 0.0043 <17.79 <0.0043 3775 -y

5-72 1504 .SO 0 0562 0 Msne Ostecied 0 0 0.0046 <17.79 <0.0046 .7773 -2

3-T3 1593.00 0 0362 0 None Oeiecte<) 0 0 0.0043 <17.79 <0.0043 .?773

5-14 1602.00 0.0562 0 Nona Detenecl 0 0 0.0043 <17.79 <0.0043 .‘T/3

3-T5 1424.00 0.0562 0 ■^one Detscied 0 0 0.0048 <!7.79 <0.0048 -7 723 -3

S-Tti 1557 SO 0.0562 0 None Detected 0 0 0.0044 <17.79 <0.0344 3'25 -<5

5-77 1602.00 0.05S2 0 None Detected 0 0 0.0043 <17.79 <0.0043 47:7

ROMAN PEYSA. M1CHA.EL A. GORYCKI. Ph.D.

Analyzed by Approved by

Disclaim?,r Ths labojatory >s not responsioie for oata reponed m sirpctures/cp, which is depenosni on volume collected by npn-iaboraiory personnel This 130 is only respcnsible tor data rspohed m stmaues/mm' This report may not be rapraduoed, except in full, withoul written approval by ATC Associates Inc. This report may not be used to cisim ptodud anoorsement by NVLAP or any other agency of Iha U ,3. Government. This reports relates only to the samples reported above. Quality cortro: data (including 55% poniirtence limits and laboratory and analysis' accuracy and precision) is available upon request

toedteC for NVLA.® PLM/TEM #101137-0. NY Slate ELAP #10379

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NYC-WTC_000199476