NYC-WTC_000199474

NYC 9/11 Public Portal Document

ATC Associates 104 East 25 Street, New York, NY ) 0010 Phone: (212) 353-8280 Fax; (212) 353-8306

Attn: Received: 8/20/02 S;00;00 AM Taylor Evironmental Group -ATC Group #; 8722 Analysis Date: 5/20/02

Fax; '516(338-1780 Phone: Project: NYCSCA Project nr; M477.15217-298S1 Siuyvcsant H. S.. 9ih Floor

Asbestos Fiber Analysis by Transmission Electron Microscopy (TEM) Performed by EPA 40 CFR Part 763 Final Rule (AHERA) Analytical Asbestos /tree Non Asbestos tr Structures Sensitivity Concentration Sample lalnmf Analyzed Asb Typefs) (■S/ec) CS/mm~J fS/ccJ Notes

9-Tl 1305.00 0.0674 0 None OetBGed 0 0 0,0044 <14.83 <0.0044 S72:

0-72 : 305.00 0.0074 0 None OsKcted 0 0 0 0044 <14 Si <0.004^1

O-'T 1314 00 0.0674 0 None Delected 0 0 0.0043 <14 c3 <0.0043

0-14 0.0674 <0.0042 350.30 0 None Detected 0 0 0.0042 04.33

9-T< 1314.no 0 0074 0 NcneDetacted 0 0 0.0043 <14.83 < 0.0043 e?::

0-76 1314,00 0,0674 0 None Detacied 0 0 0.0043 <14.83 <0.0043 3721 -6

9-7' 1314.00 0.0674 0 Ncnfi Detected 0 0 0-0043 <14.83 <0.0043 3722

MICHAEL A. CORYCKI, Ph D ROMAN PEYSAKyOV Analvicd by Approved oy.

□isctaimer Ths latwratory is not resDonsiWe tor data reported in stmctureslcc. which is dependent on volume collected by noa-laboratoiy personnel, This lap is only responsible . tor date reported m swiaures/mm’ Thia report may not be reproduced, oxcapt In full, without written approval by ATC Associaies Inc. This report may not he used to claim, product endorsement by NVLAP or any other agency of the U.S. Government This repoils relates only to the samples reported above. Quality control data (Including 95% eontidsnee limits and laboratory and analysis' accuracy and precision) is available upon request

Accredilsd ibrNVLAP PLIWTEM#10116?-0. NY Stats ELAP #10579

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NYC-WTC_000199474